{"id":122824,"date":"2022-04-22T22:37:16","date_gmt":"2022-04-23T05:37:16","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=122824"},"modified":"2022-05-05T17:01:06","modified_gmt":"2022-05-06T00:01:06","slug":"aws-log4shell-hot-patch-vulnerabilities","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/aws-log4shell-hot-patch-vulnerabilities\/","title":{"rendered":"AWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306b\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u7279\u6a29\u6607\u683c\u306e\u8106\u5f31\u6027"},"content":{"rendered":"<h2><a id=\"post-122525-_4lt92rr5muov\"><\/a><strong>\u6982\u8981<\/strong><\/h2>\n<p><a href=\"https:\/\/unit42.paloaltonetworks.jp\/apache-log4j-vulnerability-cve-2021-44228\/\">Log4Shell\u306b<\/a>\u7d9a\u3044\u3066\u3001AWS\u304c\u3001\u8106\u5f31\u306aJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068Java<a href=\"https:\/\/aws.amazon.com\/blogs\/containers\/advice-on-mitigating-the-apache-log4j-security-issue-for-eks-ecs-and-fargate-customers\/\">\u30b3\u30f3\u30c6\u30ca<\/a>\u3092\u76e3\u8996\u3057\u3066\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b<a href=\"https:\/\/alas.aws.amazon.com\/announcements\/2021-001.html\">\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>\u3092\u8907\u6570\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u5404\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u7570\u306a\u308b\u74b0\u5883\u306b\u9069\u5408\u3059\u308b\u3082\u306e\u3067\u3001\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30b5\u30fc\u30d0\u30fc\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u3001Elastic Container Service (ECS)\u30af\u30e9\u30b9\u30bf\u3001Fargate\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306fAWS\u74b0\u5883\u5c02\u7528\u3067\u306f\u306a\u304f\u3001\u3069\u306e\u3088\u3046\u306a\u30af\u30e9\u30a6\u30c9\u30fb\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u74b0\u5883\u306b\u3067\u3082\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3053\u308c\u3089\u306e\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u6df1\u523b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001AWS\u3068\u63d0\u643a\u3057\u3066\u305d\u306e\u4fee\u6b63\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u305f\u3002\u30b5\u30fc\u30d0\u30fc\u3084\u30af\u30e9\u30b9\u30bf\u306b\u3053\u306e\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5834\u5408\u3001\u305d\u306e\u74b0\u5883\u5185\u306e\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u3053\u308c\u3092\u60aa\u7528\u3057\u3066\u57fa\u76e4\u30db\u30b9\u30c8\u3092\u4e57\u3063\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<a href=\"https:\/\/github.com\/aws-samples\/kubernetes-log4j-cve-2021-44228-node-agent\">Kubernetes\u30af\u30e9\u30b9\u30bf\u306b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5834\u5408\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u7121\u52b9\u306b\u3059\u308b\u304b\u4fee\u6b63\u6e08\u307f\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u307e\u3067\u306f\u3001\u30af\u30e9\u30b9\u30bf\u5185\u306e\u3059\u3079\u3066\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u30a8\u30b9\u30b1\u30fc\u30d7\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u4ee5\u5916\u306b\u3001\u975e\u7279\u6a29\u30d7\u30ed\u30bb\u30b9\u3082\u3053\u306e\u30d1\u30c3\u30c1\u3092\u60aa\u7528\u3057\u3066\u7279\u6a29\u3092\u6607\u683c\u3055\u305b\u3001root\u3068\u3057\u3066\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30b3\u30f3\u30c6\u30ca\u306f\u3001Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u306e\u6709\u7121\u3084\u3001AWS\u304c\u30b3\u30f3\u30c6\u30ca\u7528\u306b\u30cf\u30fc\u30c9\u30cb\u30f3\u30b0\u3057\u305fLinux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308b<a href=\"https:\/\/aws.amazon.com\/bottlerocket\/\">Bottlerocket<\/a>\u3092\u57fa\u76e4\u30db\u30b9\u30c8\u304c\u5b9f\u884c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30a8\u30b9\u30b1\u30fc\u30d7\u304c\u53ef\u80fd\u3067\u3059\u3002<a href=\"https:\/\/docs.docker.com\/engine\/security\/userns-remap\/\">\u30e6\u30fc\u30b6\u30fc\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9<\/a>\u3084\u975eroot \u30e6\u30fc\u30b6\u30fc\u3067\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u30b3\u30f3\u30c6\u30ca\u3082\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306b\u306f\u3001\u8ffd\u8de1\u7528\u306bCVE-2021-3100\u3001CVE-2021-3101\u3001CVE-2022-0070\u3001CVE-2022-0071\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>AWS\u306f\u4ee5\u4e0b\u306e\u5404\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u4fee\u6b63\u7248\u30924\u670819\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li>\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u30d0\u30f3\u30c9\u30eb\u3057\u305f <span style=\"font-family: 'courier new', courier, monospace;\">log4j-cve-2021-44228-hotpatch<\/span><a href=\"https:\/\/alas.aws.amazon.com\/announcements\/2021-001.html\">\u30d1\u30c3\u30b1\u30fc\u30b8<\/a>\u306e\u30d0\u30fc\u30b8\u30e7\u30f31.1-14<\/li>\n<li>\u66f4\u65b0\u3055\u308c\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">kubernetes-log4j-cve-2021-44228-node-agent<\/span> <a href=\"https:\/\/github.com\/aws-samples\/kubernetes-log4j-cve-2021-44228-node-agent\"><span style=\"font-weight: 400;\">Daemonset<\/span><\/a>\u306e\u30d0\u30fc\u30b8\u30e7\u30f31.1-14<\/li>\n<li>Open Container Initiative (OCI) \u30d5\u30c3\u30af\u3092\u30d9\u30fc\u30b9\u3068\u3059\u308bBottlerocket\u30db\u30b9\u30c8\u7528\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<a href=\"https:\/\/github.com\/bottlerocket-os\/hotdog\">Hotdog<\/a>\u306e\u30d0\u30fc\u30b8\u30e7\u30f31.02<\/li>\n<\/ol>\n<p>Unit 42\u306f\u3001\u3053\u308c\u3089\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u4fee\u6b63\u6e08\u307f\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u306a\u304a\u30012021\u5e7412\u670817\u65e5\u4ee5\u964d\u3001Amazon Linux\u306eJDK\u30d1\u30c3\u30b1\u30fc\u30b8(Java\u30a4\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3)\u3067\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">log4j-cve-2021-44228-hotpatch<\/span>\u30d1\u30c3\u30b1\u30fc\u30b8\u304c<a href=\"https:\/\/alas.aws.amazon.com\/announcements\/2021-001.html\">\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a>\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3054\u81ea\u8eab\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bLog4Shell\u3078\u306e\u30d1\u30c3\u30c1\u304c\u9069\u7528\u6e08\u307f\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u7de9\u548c\u7b56\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u8aac\u660e\u306b\u5f93\u3063\u3066\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\">Prisma Cloud<\/a>\u306f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u691c\u51fa\u3057\u3001\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u307e\u3059\u3002<\/p>\n<table style=\"width: 94.981%;\">\n<tbody>\n<tr>\n<td style=\"width: 24.6951%;\"><span style=\"font-weight: 400;\">\u672c\u7a3f\u3067\u6271\u3046CVE<\/span><\/td>\n<td style=\"width: 155.028%;\"><span style=\"font-weight: 400;\">CVE-2021-3100, CVE-2021-3101, CVE-2022-0070, CVE-2022-0071<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 24.6951%;\"><span style=\"font-weight: 400;\">Unit 42\u306e\u95a2\u9023\u30c8\u30d4\u30c3\u30af<\/span><\/td>\n<td style=\"width: 155.028%;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/containers-ja\/\">Container escape<\/a>, <a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/privilege-escalation-ja\/\">privilege escalation<\/a>, <a href=\"https:\/\/unit42.paloaltonetworks.jp\/category\/cloud-ja\/\">cloud<\/a>, <a href=\"https:\/\/unit42.paloaltonetworks.jp\/tag\/apache-log4j-2-ja\/\">Apache log4j<\/a><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u76ee\u6b21<\/h2>\n<p><a href=\"#Overview-of-AWS-Log4Shell-Hot-Patches\">AWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306e\u6982\u8981<\/a><br \/>\n<a href=\"#Root-Cause-Analysis\">\u6839\u672c\u539f\u56e0\u5206\u6790<\/a><br \/>\n<a href=\"#Container-Escape-Demo\">\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u30c7\u30e2<\/a><br \/>\n<a href=\"#Impact\">\u5f71\u97ff<\/a><br \/>\n<a href=\"#Mitigations\">\u56de\u907f\u30fb\u7de9\u548c\u7b56<\/a><br \/>\n<a href=\"#Safely-Interacting-With-Containers\">\u30b3\u30f3\u30c6\u30ca\u3068\u5b89\u5168\u306b\u3084\u308a\u3068\u308a\u3059\u308b\u306b\u306f<\/a><br \/>\n<a href=\"#Conclusion\">\u7d50\u8ad6<\/a><br \/>\n<a href=\"#Additional-Resources\">\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/a><br \/>\n<a href=\"#Disclosure-Timeline\">\u958b\u793a\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/a><\/p>\n<h2><a id=\"Overview-of-AWS-Log4Shell-Hot-Patches\"><\/a><strong>AWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306e\u6982\u8981<\/strong><\/h2>\n<p>Log4Shell\u306f\u3001\u305d\u308c\u304c\u6700\u8fd1\u767a\u898b\u3055\u308c\u305f\u6700\u60aa\u306e\u8106\u5f31\u6027\u306e1\u3064\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u3057\u305f\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u5927\u898f\u6a21\u306b\u652f\u63f4\u3059\u308b\u305f\u3081\u3001AWS\u306f\u8907\u6570\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u5316\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u74b0\u5883\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3068\u3044\u3046\u306e\u306f\u8106\u5f31\u6027\u306e\u3042\u308b\u5b9f\u884c\u4e2d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6ce8\u5165\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u3053\u3068\u3067\u3001\u305d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u65b0\u305f\u306a\u4fee\u6b63\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u308b\u307e\u3067\u306e\u77ed\u671f\u7684\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092\u610f\u56f3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>AWS\u306f\u3001\u8106\u5f31\u306aJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3084\u30b3\u30f3\u30c6\u30ca\u3092\u691c\u51fa\u3057\u3066\u305d\u308c\u3089\u306b\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30923\u3064\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li>RPM\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u3066\u3044\u308b<a href=\"https:\/\/alas.aws.amazon.com\/announcements\/2021-001.html\">\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9<\/a>\u30022021\u5e7412\u670817\u65e5\u4ee5\u964d\u3001Amazon Linux\u306eJDK(Java)\u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u4e00\u7dd2\u306b\u81ea\u52d5\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002Fargate\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u81ea\u5206\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u7a3c\u50cd\u3057\u3066\u3044\u308b\u30db\u30b9\u30c8\u306b\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3088\u3046\u306b\u4f9d\u983c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3057\u305f\u3002<\/li>\n<li>Kubernetes\u30af\u30e9\u30b9\u30bf\u7528\u306e<a href=\"https:\/\/github.com\/aws-samples\/kubernetes-log4j-cve-2021-44228-node-agent\">\u30db\u30c3\u30c8\u30d1\u30c3\u30c1Daemonset<\/a>\u3002\u3053\u308c\u306f\u524d\u8ff0\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u5168\u30ce\u30fc\u30c9\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<li>OCI\u30d5\u30c3\u30af\u306e\u30bb\u30c3\u30c8\u3068\u3057\u3066\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<a href=\"https:\/\/github.com\/bottlerocket-os\/hotdog\">Hotdog<\/a>\u3002Hotdog\u306f\u3001\u4e3b\u306bBottlerocket\u30db\u30b9\u30c8\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001Kubernetes\u30af\u30e9\u30b9\u30bf\u304b\u3089ECS\u30af\u30e9\u30b9\u30bf\u3001Fargate\u30b3\u30f3\u30c6\u30ca\u3001\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30b5\u30fc\u30d0\u30fc\u307e\u3067\u3001\u307b\u3068\u3093\u3069\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c8\u74b0\u5883\u3092\u30ab\u30d0\u30fc\u3057\u3066\u3044\u307e\u3059\u3057\u3001AWS\u74b0\u5883\u306b\u9650\u3089\u305a\u4ed6\u306e\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3084\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u306b\u3082\u5c0e\u5165\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u306f\u3001\u3053\u308c\u3089\u306e\u30d1\u30c3\u30c1\u304c\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u3084\u6a29\u9650\u6607\u683c\u306e\u305f\u3081\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3044\u305a\u308c\u304b\u306e\u30d1\u30c3\u30c1\u304c\u30db\u30b9\u30c8\u307e\u305f\u306f\u30af\u30e9\u30b9\u30bf\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u308b\u3068\u3001\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30ca\u304c\u305d\u306e\u30d1\u30c3\u30c1\u3092\u60aa\u7528\u3057\u3001\u57fa\u76e4\u30db\u30b9\u30c8\u3092\u5371\u967a\u306b\u3055\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u307e\u305f\u306f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1Daemonset\u306e\u3044\u305a\u308c\u304b\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30db\u30b9\u30c8\u3067\u306f\u3001\u65e2\u5b58\u306e\u30b3\u30f3\u30c6\u30ca\u3082\u30a8\u30b9\u30b1\u30fc\u30d7\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u4ee5\u5916\u306b\u3001\u975e\u7279\u6a29\u30d7\u30ed\u30bb\u30b9\u3082\u3053\u306e\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u60aa\u7528\u3057\u3066\u7279\u6a29\u3092\u6607\u683c\u3055\u305b\u3001root\u3068\u3057\u3066\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002AWS\u306f\u73fe\u5728\u306f\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u3092\u7de9\u548c\u3057\u3066\u5404\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc\u3057\u305f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><a id=\"Root-Cause-Analysis\"><\/a><strong>\u6839\u672c\u539f\u56e0\u5206\u6790 <\/strong><\/h2>\n<p>AWS\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001Java\u30d7\u30ed\u30bb\u30b9\u3092\u7d99\u7d9a\u7684\u306b\u691c\u7d22\u3057\u3001Log4Shell\u306b\u5bfe\u3057\u3066\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u306e\u5185\u5916\u3092\u554f\u308f\u305a\u3001\u300cjava\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306e\u9069\u7528\u5019\u88dc\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u5185\u306eJava\u30d7\u30ed\u30bb\u30b9\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u305f\u3081\u306b\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u7279\u5b9a\u306e\u30b3\u30f3\u30c6\u30ca\u30d0\u30a4\u30ca\u30ea\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u305f\u3068\u3048\u3070\u30b3\u30f3\u30c6\u30ca\u306e\u300cjava\u300d\u30d0\u30a4\u30ca\u30ea\u30922\u56de\u5b9f\u884c\u3057\u30011\u56de\u76ee\u3067Java\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u30662\u56de\u76ee\u3067\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u6ce8\u5165\u3057\u307e\u3059\u3002\u554f\u984c\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30d0\u30a4\u30ca\u30ea\u304c\u9069\u5207\u306b\u30b3\u30f3\u30c6\u30ca\u5316\u3055\u308c\u305a\u306b\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u306f\u901a\u5e38\u30b3\u30f3\u30c6\u30ca\u30d7\u30ed\u30bb\u30b9\u306b\u9069\u7528\u3055\u308c\u308b\u5236\u7d04\u3092\u53d7\u3051\u305a\u306b\u5b9f\u884c\u3055\u308c\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u300cjava\u300d\u30d0\u30a4\u30ca\u30ea\u306f\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man1\/nsenter.1.html\">nsenter<\/a>\u30b3\u30de\u30f3\u30c9\u306b\u3088\u308a\u30b3\u30f3\u30c6\u30ca\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u5185\u3067\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u307e\u3057\u305f(\u30e6\u30fc\u30b6\u30fc\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u3092\u9664\u304f)\u3002\u3057\u304b\u3082\u3001\u3059\u3079\u3066\u306e<a href=\"https:\/\/man7.org\/linux\/man-pages\/man7\/capabilities.7.html\">Linux\u306e\u30b1\u30a4\u30d1\u30d3\u30ea\u30c6\u30a3\u4ed8\u304d<\/a>\u3067\u3001\u304b\u3064<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/seccomp.2.html\">seccomp<\/a>\u3084<a href=\"https:\/\/man7.org\/linux\/man-pages\/man7\/cgroups.7.html\">cgroups<\/a>\u306e\u3088\u3046\u306a<a href=\"https:\/\/opensource.com\/article\/21\/8\/container-linux-technology\">\u901a\u5e38\u306e\u30b3\u30f3\u30c6\u30ca\u5236\u9650\u7528\u306e\u9694\u96e2\u6280\u8853<\/a>\u306a\u3057\u3067\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u4f55\u3067\u3042\u308d\u3046\u3068root\u30e6\u30fc\u30b6\u30fc\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u305f\u3081\u3001\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u306b\u300cjava\u300d\u3068\u3044\u3046\u540d\u524d\u306e\u60aa\u610f\u306e\u3042\u308b\u30d0\u30a4\u30ca\u30ea\u3092\u542b\u307e\u305b\u3066\u304a\u3051\u3070\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3001\u305d\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u6607\u683c\u3057\u305f\u7279\u6a29\u3067\u8d77\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3057\u305f\u3002\u305d\u3046\u306a\u308c\u3070\u3001\u60aa\u610f\u306e\u3042\u308b\u300cjava\u300d\u30d7\u30ed\u30bb\u30b9\u306f\u6607\u683c\u3057\u305f\u7279\u6a29\u3092\u60aa\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3066\u57fa\u76e4\u30db\u30b9\u30c8\u3092\u4e57\u3063\u53d6\u308c\u307e\u3059\u3002\u4fee\u6b63\u3055\u308c\u305f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u30d0\u30a4\u30ca\u30ea\u3092\u5b9f\u884c\u524d\u306b\u9069\u5207\u306b\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u4ee5\u5916\u306b\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u306f\u30db\u30b9\u30c8\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u3082\u540c\u69d8\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u60aa\u610f\u306e\u3042\u308b\u975e\u7279\u6a29\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u300cjava\u300d\u3068\u3044\u3046\u540d\u524d\u3067\u60aa\u610f\u306e\u3042\u308b\u30d0\u30a4\u30ca\u30ea\u3092\u4f5c\u6210\u3057\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u9a19\u3057\u3066\u3053\u306e\u30d0\u30a4\u30ca\u30ea\u3092\u6607\u683c\u3057\u305f\u7279\u6a29\u3067\u8d77\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3057\u305f\u304c\u3001\u4fee\u6b63\u3055\u308c\u305f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u30d1\u30c3\u30c1\u9069\u7528\u5bfe\u8c61\u306eJava\u30d7\u30ed\u30bb\u30b9\u3068\u540c\u3058\u7279\u6a29\u3067\u300cjava\u300d\u30d0\u30a4\u30ca\u30ea\u304c\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"Container-Escape-Demo\"><\/a><strong>\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306e\u30c7\u30e2<\/strong><\/h2>\n<p>\u672c\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u53ef\u7528\u6027\u691c\u8a3c\u306e\u305f\u3081\u3001\u79c1\u305f\u3061\u306fPoC(\u6982\u5ff5\u5b9f\u8a3c)\u7528\u306e\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u30bf\u3084VM\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3068\u3001\u3053\u306e\u30b3\u30f3\u30c6\u30ca\u306f\u5f53\u8a72\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3001\u57fa\u76e4\u30db\u30b9\u30c8\u4e0a\u3067root\u3068\u3057\u3066\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u653b\u6483\u8005\u306e\u7ba1\u7406\u4e0b\u306b\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u306b<a href=\"https:\/\/docs.paloaltonetworks.com\/prisma\/prisma-cloud\/20-12\/prisma-cloud-compute-edition-admin\/runtime_defense\/incident_types\/reverse_shell.html\">\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb<\/a>\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30c7\u30e2\u30d3\u30c7\u30aa\u3067\u306f\u3001\u3042\u308b\u30e6\u30fc\u30b6\u30fc\u304cEKS\u30af\u30e9\u30b9\u30bf\u306b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1Daemonset\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u69d8\u5b50\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30c7\u30e2\u3067\u306f\u3001\u305d\u306e\u5f8c\u3067\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3059\u308b\u60aa\u610f\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3092\u30e6\u30fc\u30b6\u30fc\u304c\u3046\u3063\u304b\u308a\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u304b\u3092\u793a\u3057\u3001\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u653b\u6483\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"allowfullscreen\" frameborder=\"0\" src=\"https:\/\/www.youtube.com\/embed\/jK9a7IoMu5I\" title=\"YouTube\u30d3\u30c7\u30aa\u30d7\u30ec\u30fc\u30e4\u30fc\"><\/iframe><\/p>\n<p><span style=\"color: #999999;\"><em>\u30d3\u30c7\u30aa1 CVE-2021-3100\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30c7\u30e2<\/em><\/span><\/p>\n<p>\u3053\u306e\u30c7\u30e2\u3067\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u653b\u6483\u3092\u4f8b\u306b\u3068\u308a\u307e\u3057\u305f\u304c\u3001(\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30da\u30a4\u30ed\u30fc\u30c9\u306a\u3069\u306b\u3088\u3063\u3066)\u3059\u3067\u306b\u4fb5\u5bb3\u3055\u308c\u3066\u3044\u308b\u65e2\u5b58\u306e\u30b3\u30f3\u30c6\u30ca\u3082\u3001\u3053\u306e\u554f\u984c\u3092\u60aa\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u30a8\u30b9\u30b1\u30fc\u30d7\u3057\u3001\u57fa\u76e4\u30db\u30b9\u30c8\u3092\u4e57\u3063\u53d6\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u60aa\u610f\u306e\u3042\u308b\u7b2c\u4e09\u8005\u306b\u3088\u308b\u60aa\u7528\u3092\u9632\u3050\u305f\u3081\u3001\u73fe\u6642\u70b9\u3067\u306f\u3053\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u5b9f\u88c5\u8a73\u7d30\u306f\u516c\u958b\u3057\u306a\u3044\u3053\u3068\u3092\u6c7a\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"Impact\"><strong>\u5f71\u97ff<\/strong><\/h2>\n<p>Log4Shell\u3092\u3068\u308a\u307e\u304f\u7dca\u6025\u6027\u306b\u9451\u307f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u5927\u898f\u6a21\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u3001\u610f\u56f3\u305b\u305a\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3092\u5371\u967a\u306b\u3055\u3089\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u524a\u9664\u3078\u306e\u5f37\u3044\u52d5\u6a5f\u304c\u306a\u3044\u3053\u3068\u304b\u3089\u3001Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bLog4Shell\u306e\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u305f\u5f8c\u3082\u30e6\u30fc\u30b6\u30fc\u304c\u591a\u5c64\u9632\u5fa1\u306e\u305f\u3081\u306b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u5b9f\u884c\u3057\u305f\u307e\u307e\u306b\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u306f\u3001\u540c\u4e00\u30de\u30b7\u30f3\u3067\u52d5\u4f5c\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5883\u754c\u3068\u3057\u3066\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u306b\u3088\u308a\u3001\u5358\u4e00\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5148\u3078\u3068\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u62e1\u5f35\u3057\u3001\u8fd1\u96a3\u30b5\u30fc\u30d3\u30b9\u3092\u4fb5\u5bb3\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002Kubernetes\u30af\u30e9\u30b9\u30bf\u3067\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u30891\u3064\u306e\u30b3\u30f3\u30c6\u30ca\u306e\u30a8\u30b9\u30b1\u30fc\u30d7\u3067\u30af\u30e9\u30b9\u30bf\u5168\u4f53\u304c\u4e57\u3063\u53d6\u3089\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u306f\u30b3\u30f3\u30c6\u30ca\u69cb\u6210\u306b\u95a2\u4fc2\u306a\u304f\u60aa\u7528\u3055\u308c\u3046\u308b\u305f\u3081\u3001\u30b3\u30f3\u30c6\u30ca\u3092<a href=\"https:\/\/docs.docker.com\/engine\/security\/userns-remap\/\">\u30e6\u30fc\u30b6\u30fc\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9<\/a>\u3084\u975eroot\u30e6\u30fc\u30b6\u30fc\u3067\u5b9f\u884c\u3059\u308b\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u9694\u96e2\u6280\u8853\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u74b0\u5883\u3067\u3042\u3063\u3066\u3082\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u4ee5\u5916\u306b\u3001\u975e\u7279\u6a29\u30d7\u30ed\u30bb\u30b9\u3082\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3057\u3066\u7279\u6a29\u3092\u6607\u683c\u3055\u305b\u3001\u57fa\u76e4\u30b5\u30fc\u30d0\u30fc\u3092\u5b8c\u5168\u306b\u5236\u5fa1\u4e0b\u306b\u7f6e\u304f\u3053\u3068\u304c\u53ef\u80fd\u3067\u3057\u305f\u3002<\/p>\n<h2 id=\"Mitigations\"><strong>\u56de\u907f\u30fb\u7de9\u548c\u7b56<\/strong><\/h2>\n<p>AWS\u306f\u3001\u5404\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u5bfe\u5fdc\u3057\u305f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u30db\u30b9\u30c8\u304c\u4fee\u6b63\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3068\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u3084\u7279\u6a29\u6607\u683c\u306f\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>Kubernetes\u30af\u30e9\u30b9\u30bf\u3067\u306f\u3001AWS\u306e\u63d0\u4f9b\u3059\u308b<a href=\"https:\/\/github.com\/aws-samples\/kubernetes-log4j-cve-2021-44228-node-agent\"><span style=\"font-weight: 400;\">\u6700\u65b0\u306eDaemonset<\/span><\/a>\u3092\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3053\u3068\u3067\u4fee\u6b63\u6e08\u307f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u7248\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002\u30db\u30c3\u30c8\u30d1\u30c3\u30c1Daemonset\u3092\u524a\u9664\u3057\u305f\u3060\u3051\u3067\u306f\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u306f\u30ce\u30fc\u30c9\u304b\u3089\u524a\u9664\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<b>2022-04-25 \u66f4\u65b0<\/b><span style=\"font-weight: 400;\">: \u73fe\u5728Debian\u30d9\u30fc\u30b9\u30db\u30b9\u30c8(Debian\u304a\u3088\u3073Ubuntu)\u7528\u306eDaemonset\u4fee\u6b63\u6e08\u307f\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u3061\u3089\u306e<\/span><a href=\"https:\/\/github.com\/aws-samples\/kubernetes-log4j-cve-2021-44228-node-agent\/commit\/cacdf35d40a3f1da84dac6aae9e807ac1b2c9d4f#commitcomment-72082620\"><span style=\"font-weight: 400;\">Github\u30b9\u30ec\u30c3\u30c9<\/span><\/a>\u304b\u3089\u8a73\u7d30\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<b>2022-05-05 \u66f4\u65b0<\/b>: Debian\u30d9\u30fc\u30b9\u30db\u30b9\u30c8\u7528\u306e\u4fee\u6b63\u7248Daemonset\u304c\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002Debian <span style=\"font-family: 'courier new', courier, monospace;\">log4j-cve-2021-44228-hotpatch<\/span>\u30d1\u30c3\u30b1\u30fc\u30b8\u7528\u306e\u4fee\u6b63\u30d0\u30fc\u30b8\u30e7\u30f3\u306f<b>1.1.17<\/b>\u3067\u3059\u3002<\/li>\n<li>\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u30db\u30b9\u30c8\u306e\u5834\u5408\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">yum update log4j-cve-2021-44228-hotpatch <\/span>\u3092\u5b9f\u884c\u3059\u308b\u3068\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>Hotdog\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f<a href=\"https:\/\/github.com\/bottlerocket-os\/hotdog\/releases\">\u6700\u65b0\u7248<\/a>\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ol>\n<p>\u307e\u305f\u3001\u3054\u81ea\u8eab\u306e\u74b0\u5883\u3067Log4Shell\u3078\u306e\u30d1\u30c3\u30c1\u304c\u9069\u7528\u6e08\u307f\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001 <span style=\"font-family: 'courier new', courier, monospace;\">sudo touch \/etc\/log4j-cve-2021-44228-hotpatch.kill<\/span> \u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30db\u30b9\u30c8\u4e0a\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u5316\u3067\u304d\u307e\u3059\u3002Hotdog\u3092\u7121\u52b9\u306b\u3059\u308b\u306b\u306f\u3001 <span style=\"font-family: 'courier new', courier, monospace;\">apiclient set oci-hooks.log4j-hotpatch-enabled=false<\/span> \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>Prisma Cloud\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306f[Vulnerabilities(\u8106\u5f31\u6027)]\u30bf\u30d6\u4ee5\u4e0b\u3067\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30db\u30b9\u30c8\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002Prisma Cloud\u306f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u691c\u51fa\u3057\u3066\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u3066\u3044\u308bVM\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u307e\u3059\u3002\u8106\u5f31\u6027\u3092\u691c\u7d22\u3059\u308b\u306b\u306f\u3001\u305d\u308c\u3089\u3068\u95a2\u9023\u3059\u308bAmazon Linux Security Advisories (ALAS)\u306eID(ALAS-2021-1554\u3001ALAS-2021-1732\u3001 ALAS-2022-1580\u3001ALAS-2022-1773)\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_122797\" aria-describedby=\"caption-attachment-122797\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-122798 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/04\/image.png\" alt=\"Prisma Cloud\u306flog4j-cve-2021-44228-hotpatch\u306e\u8106\u5f31\u6027\u3092\u691c\u51fa\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\" width=\"900\" height=\"555\" \/><figcaption id=\"caption-attachment-122797\" class=\"wp-caption-text\">\u56f31. Prisma Cloud\u306flog4j-cve-2021-44228-hotpatch\u306e\u8106\u5f31\u6027\u3092\u691c\u51fa\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e<a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/cloud\">Prisma Cloud<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xsoar\">Cortex XDR<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a> (NGFW)\u306e\u5404\u30b7\u30ea\u30fc\u30ba\u306f\u653b\u6483\u8005\u306b\u3088\u308b\u5f8c\u7d9a\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u691c\u51fa\u3057\u3001\u4eca\u56de\u306e\u30c7\u30e2\u3067\u5229\u7528\u3057\u305f\u30ea\u30d0\u30fc\u30b9\u30b7\u30a7\u30eb\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u901a\u4fe1\u3092\u59a8\u5bb3\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h2><a id=\"Safely-Interacting-With-Containers\"><\/a><strong>\u30b3\u30f3\u30c6\u30ca\u3068\u5b89\u5168\u306b\u3084\u308a\u3068\u308a\u3059\u308b\u306b\u306f<\/strong><\/h2>\n<p>\u30db\u30b9\u30c8\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u884c\u4e2d\u306e\u30b3\u30f3\u30c6\u30ca\u3068\u76f4\u63a5\u5bfe\u8a71\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u767a\u751f\u3059\u308b\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u8106\u5f31\u6027\u306e\u9577\u3044\u30ea\u30b9\u30c8\u306b\u3001CVE-2021-3100\u3001CVE-2021-3101\u3001CVE-2022-0070\u3001CVE-2022-0071\u304c\u52a0\u308f\u308a\u307e\u3057\u305f\u3002\u30b3\u30f3\u30c6\u30ca\u306b\u60aa\u610f\u304c\u3042\u308b\u5834\u5408\u3001\u30d5\u30a1\u30a4\u30eb\u30b3\u30d4\u30fc\u3084\u65b0\u305f\u306a\u30b3\u30f3\u30c6\u30ca\u5316\u30d7\u30ed\u30bb\u30b9\u306e\u751f\u6210\u3068\u3044\u3063\u305f\u5358\u7d14\u306a\u30bf\u30b9\u30af\u304c\u3001\u9a5a\u304f\u3079\u304d\u7d50\u679c\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u5468\u308a\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f5c\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u30d7\u30ed\u30bb\u30b9\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u95a2\u308f\u308b\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u306f<a href=\"https:\/\/github.com\/opencontainers\/runc\">runc<\/a>\u306e\u3088\u3046\u306a\u78ba\u7acb\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306b\u59d4\u306d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306b\u3082\u305d\u308c\u76f8\u5fdc\u306e\u8106\u5f31\u6027\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c6\u30ca\u3068\u5b89\u5168\u306b\u3084\u308a\u3068\u308a\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u3057\u3066\u306f\u3053\u308c\u304c\u6700\u3082\u541f\u5473\u3055\u308c\u3066\u6210\u719f\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2><a id=\"Conclusion\"><\/a><strong>\u7d50\u8ad6 <\/strong><\/h2>\n<p>Log4Shell\u3092\u3068\u308a\u307e\u304f\u7dca\u6025\u6027\u306b\u9451\u307f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3092\u5927\u898f\u6a21\u306b\u30c7\u30d7\u30ed\u30a4\u3057\u3001\u610f\u56f3\u305b\u305a\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3092\u5371\u967a\u306b\u3055\u3089\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u7686\u69d8\u306b\u306f\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u3001\u4fee\u6b63\u6e08\u307f\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3068\u304f\u306b\u30de\u30eb\u30c1\u30c6\u30ca\u30f3\u30c8\u306e\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3084\u3001\u4fe1\u983c\u3055\u308c\u3066\u3044\u306a\u3044\u30a4\u30e1\u30fc\u30b8\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30af\u30e9\u30b9\u30bf\u306f\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Log4Shell\u306b\u5bfe\u3059\u308b\u30d1\u30c3\u30c1\u4f5c\u696d\u3092\u7d99\u7d9a\u4e2d\u306e\u5834\u5408\u3001\u307e\u305a\u305d\u306e\u4f5c\u696d\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4eca\u56de\u63d0\u793a\u3055\u308c\u305f\u554f\u984c\u306f\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u306b\u5bfe\u3059\u308b\u6df1\u523b\u306a\u653b\u6483\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001Log4Shell\u306f\u53f2\u4e0a\u6700\u60aa\u306e\u8106\u5f31\u6027\u306e1\u3064\u3068\u3057\u3066\u3057\u304b\u308b\u3079\u304d\u4f4d\u7f6e\u3065\u3051\u3092\u5f97\u3066\u73fe\u5728\u3082\u6d3b\u767a\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f0a\u793e\u306f\u3001\u3053\u306e\u8106\u5f31\u6027\u306e\u52b9\u7387\u7684\u306a\u4fee\u6b63\u306b\u304a\u3051\u308bAWS\u306e\u5354\u529b\u3068\u9023\u643a\u306b\u611f\u8b1d\u3057\u307e\u3059\u3002Log4Shell\u306e\u60aa\u7528\u304c\u30d4\u30fc\u30af\u306b\u9054\u3057\u305f\u3068\u304d\u3001AWS\u306e\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u304c\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3078\u306e\u7121\u6570\u306e\u653b\u6483\u306e\u963b\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3057\u305f\u3002\u305d\u3057\u3066\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u304c\u4fee\u6b63\u3055\u308c\u305f\u3053\u3068\u3067\u3001\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u3067Log4Shell\u306b\u5bfe\u5fdc\u3057\u3064\u3064\u3001\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"Additional-Resources\"><\/a><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/h2>\n<ul>\n<li><a href=\"https:\/\/unit42.paloaltonetworks.jp\/apache-log4j-vulnerability-cve-2021-44228\/\">Unit 42\u306b\u3088\u308bLog4Shell\u306e\u5206\u6790 <\/a><\/li>\n<li><a href=\"https:\/\/aws.amazon.com\/blogs\/containers\/advice-on-mitigating-the-apache-log4j-security-issue-for-eks-ecs-and-fargate-customers\/\">AWS advice on mitigating Log4Shell in container enviroments (\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u306b\u304a\u3051\u308bLog4Shell\u7de9\u548c\u306b\u95a2\u3059\u308bAWS\u306e\u63a8\u5968\u4e8b\u9805)<\/a><\/li>\n<li><a href=\"https:\/\/www.paloaltonetworks.com\/blog\/prisma-cloud\/log-4-shell-vulnerability\/?lang=ja\">Prisma Cloud\u3067Log4Shell\u306e\u8106\u5f31\u6027\u306b\u5bfe\u5fdc\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n<h2><a id=\"Disclosure-Timeline\"><\/a><strong>\u958b\u793a\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3<\/strong><\/h2>\n<ul>\n<li><strong>12\u670814\u65e5<\/strong>: AWS\u304c\u30b3\u30f3\u30c6\u30ca\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30ea\u30ea\u30fc\u30b9<\/li>\n<li><strong>12\u670820\u65e5<\/strong>: Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304c\u3053\u306e\u554f\u984c\u3092\u7279\u5b9a<\/li>\n<li><strong>12\u670821\u65e5<\/strong>: AWS\u3078\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u9001\u4fe1<\/li>\n<li><strong>12\u670822\u65e5<\/strong>: AWS\u304c\u3053\u306e\u554f\u984c\u3092\u8a8d\u8b58<\/li>\n<li><strong>12\u670823\u65e5<\/strong>: AWS\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4fee\u6b63\u3068\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u30ea\u30ea\u30fc\u30b9<\/li>\n<li><strong>12\u670827\u65e5<\/strong>: Unit 42\u304cAWS\u306e\u521d\u671f\u4fee\u6b63\u306e\u30d0\u30a4\u30d1\u30b9\u3092\u5831\u544a<\/li>\n<li><strong>2\u67089\u65e5<\/strong>: Unit 42\u306e\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u304cAWS\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u3068\u4fee\u6b63\u306b\u3064\u3044\u3066\u8b70\u8ad6<\/li>\n<li><strong>4\u67081\u65e5<\/strong>: AWS\u304cUnit 42\u306b\u30ec\u30d3\u30e5\u30fc\u7528\u4fee\u6b63\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5171\u6709<\/li>\n<li><b>4\u67084\u65e5<\/b><span style=\"font-weight: 400;\">: Unit 42\u304c\u6b8b\u7559\u3057\u3066\u3044\u308b\u554f\u984c\u82e5\u5e72\u6570\u306b\u3064\u3044\u3066\u6307\u6458<\/span><\/li>\n<li><b>4\u670819\u65e5<\/b><span style=\"font-weight: 400;\">: AWS\u304c\u6700\u7d42\u4fee\u6b63\u304a\u3088\u3073\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u516c\u958b\u3001Unit 42\u304c\u672c\u8106\u5f31\u6027\u3092\u4e00\u822c\u306b\u958b\u793a<\/span><\/li>\n<\/ul>\n<p><em>2022-04-23 14:30 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2022-04-20 16:15 PDT \u306e\u5185\u5bb9\u3092\u53cd\u6620<br \/>\n2022-04-26 09:00 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2022-04-25 11:00 PDT \u306e\u8ffd\u8a18\u5185\u5bb9\u3092\u53cd\u6620<br \/>\n2022-05-06 09:00 JST \u82f1\u8a9e\u7248\u66f4\u65b0\u65e5 2022-05-05 11:10 PDT \u306e\u8ffd\u8a18\u5185\u5bb9\u3092\u53cd\u6620<br \/>\n<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 Log4Shell\u306b\u7d9a\u3044\u3066\u3001AWS\u304c\u3001\u8106\u5f31\u306aJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068Java\u30b3\u30f3\u30c6\u30ca\u3092\u76e3\u8996\u3057\u3066\u30aa\u30f3\u30b6\u30d5\u30e9\u30a4\u3067\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u8907\u6570\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002\u5404\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u7570\u306a\u308b\u74b0\u5883\u306b\u9069\u5408\u3059\u308b<\/p>\n","protected":false},"author":323,"featured_media":134238,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4469,4436,4428,4470],"tags":[5549,4537,4785,4627,5711,5713,5603,5715,5717,5718,4791],"product_categories":[4448,4456,4345,4458],"coauthors":[1484],"class_list":["post-122824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vulnerabilities","category-cloud-cybersecurity-research-ja","category-threat-research-ja","category-vulnerabilities-ja","tag-apache-log4j-ja","tag-aws-ja","tag-container-escape-ja","tag-containers-ja","tag-cve-2021-3100-ja","tag-cve-2021-3101-ja","tag-cve-2021-44228-ja","tag-cve-2022-0070-ja","tag-cve-2022-0071-ja","tag-log4j","tag-privilege-escalation-ja","product_categories-cortex-xdr-ja","product_categories-next-generation-firewall-ja","product_categories-prisma-cloud","product_categories-prisma-cloud-ja"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>AWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306b\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u7279\u6a29\u6607\u683c\u306e\u8106\u5f31\u6027<\/title>\n<meta name=\"description\" content=\"Unit 42\u306fAWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3044\u304f\u3064\u304b\u6df1\u523b\u306a\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u6839\u672c\u539f\u56e0\u306e\u5206\u6790\u3068\u4fee\u6b63\/\u7de9\u548c\u7b56\u306e\u6982\u8981\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/unit42.paloaltonetworks.com\/ja\/aws-log4shell-hot-patch-vulnerabilities\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306b\u30b3\u30f3\u30c6\u30ca\u30a8\u30b9\u30b1\u30fc\u30d7\u3068\u7279\u6a29\u6607\u683c\u306e\u8106\u5f31\u6027\" \/>\n<meta property=\"og:description\" content=\"Unit 42\u306fAWS\u306eLog4Shell\u30db\u30c3\u30c8\u30d1\u30c3\u30c1\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u3044\u304f\u3064\u304b\u6df1\u523b\u306a\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u6839\u672c\u539f\u56e0\u306e\u5206\u6790\u3068\u4fee\u6b63\/\u7de9\u548c\u7b56\u306e\u6982\u8981\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/unit42.paloaltonetworks.com\/ja\/aws-log4shell-hot-patch-vulnerabilities\/\" \/>\n<meta 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