{"id":120425,"date":"2021-09-05T17:20:35","date_gmt":"2021-09-06T00:20:35","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=120425"},"modified":"2021-10-11T17:03:52","modified_gmt":"2021-10-12T00:03:52","slug":"cve-2021-26084","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/cve-2021-26084\/","title":{"rendered":"\u8105\u5a01\u306b\u95a2\u3059\u308b\u60c5\u5831: CVE-2021-26084 Atlassian Confluence Server\u304a\u3088\u3073Data Center\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>2021\u5e748\u670825\u65e5\u3001Atlassian\u306fConfluence Server\u304a\u3088\u3073Data Center\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-26084\uff09\u306b\u95a2\u3059\u308b<a href=\"https:\/\/confluence.atlassian.com\/doc\/confluence-security-advisory-2021-08-25-1077906215.html\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u8a8d\u8a3c\u3092\u56de\u907f\u3057\u3066\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u304c\u516c\u958b\u3055\u308c\u3066\u4ee5\u6765\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u3092\u6c42\u3081\u3066\u5927\u91cf\u306e\u30b9\u30ad\u30e3\u30f3\u6d3b\u52d5\u304c\u884c\u308f\u308c\u3001\u5b9f\u969b\u306e\u60aa\u7528\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3059\u3002Unit 42 \u306f\u304a\u5ba2\u69d8\u306b Confluence Server \u3068 Data Center \u306e\u6700\u65b0\u30ea\u30ea\u30fc\u30b9\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0<\/h2>\n<p>CVE-2021-26084 \u306e\u5f71\u97ff\u3092\u53d7\u3051\u308bAtlassian\u88fd\u54c1\u306f\u3001\u4ee5\u4e0b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Confluence Server \u304a\u3088\u3073 Data Center \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u88fd\u54c1\u3067\u3059\u3002<\/p>\n<ul>\n<li>4.x.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>5.x.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.0.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.1.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.2.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.3.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.4.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.5.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.6.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.7.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.8.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.9.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.10.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.11.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.12.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.13.23\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e6.13.x\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.14.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>6.15.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.0.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.1.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.2.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.3.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.4.11\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e7.4.x\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.5.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.6.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.7.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.8.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.9.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.10.x\u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.11.6\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e7.11.x\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<li>7.12.5\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e7.12.x\u30d0\u30fc\u30b8\u30e7\u30f3\u3002<\/li>\n<\/ul>\n<p>Confluence Cloud \u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u306e\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n<h2>\u56de\u907f\u30fb\u7de9\u548c\u7b56<\/h2>\n<p>\u304a\u5ba2\u69d8\u306b\u306f\u3001Atlassian Confluence Server \u304a\u3088\u3073 Data Center \u3092\u6700\u65b0\u7248\u306e<strong> 7.13.0 (TLS)<\/strong>\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u6700\u65b0\u306e\u30ea\u30ea\u30fc\u30b9\u306f\u3001<a href=\"https:\/\/www.atlassian.com\/software\/confluence\/download-archives\">Atlassian\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30bb\u30f3\u30bf\u30fc<\/a>\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<p>\u6700\u65b0\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001Atlassian\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u306e\u300c\u7de9\u548c\u7b56\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3001Confluence \u30b5\u30fc\u30d0\u30fc\u304c\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u7528\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u8106\u5f31\u6027\u3092\u7de9\u548c\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3053\u306e\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/subscriptions\/threat-prevention\">\u8105\u5a01\u9632\u5fa1<\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u3054\u5951\u7d04\u3044\u305f\u3060\u3044\u3066\u3044\u308b<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\">\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a> (\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304a\u3088\u3073\u8105\u5a01\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30d0\u30fc\u30b8\u30e7\u30f38453\u4ee5\u964d\u3092\u5b9f\u884c) \u306f\u3001\u8105\u5a01ID 91594\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u95a2\u9023\u3059\u308b\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u81ea\u52d5\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3001\u65b0\u3057\u3044\u60c5\u5831\u3084\u63a8\u5968\u4e8b\u9805\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u6b21\u7b2c\u3001\u672c\u7a3f\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<h3>\u8ffd\u52a0\u8cc7\u6599<\/h3>\n<p><a href=\"https:\/\/github.com\/httpvoid\/writeups\/blob\/main\/Confluence-RCE.md\">writeups\/Confluence-RCE.md at main \u00b7 httpvoid\/writeups<\/a><\/p>\n<p><a href=\"https:\/\/www.atlassian.com\/software\/confluence\/download-archives\">Confluence Server \u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30a2\u30fc\u30ab\u30a4\u30d6<\/a><\/p>\n<p><a href=\"https:\/\/confluence.atlassian.com\/doc\/confluence-security-advisory-2021-08-25-1077906215.html\">Confluence Security Advisory - 2021-08-25 | Confluence Data Center and Server 7.13<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 2021\u5e748\u670825\u65e5\u3001Atlassian\u306fConfluence Server\u304a\u3088\u3073Data Center\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-26084\uff09\u306b\u95a2\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u516c\u958b\u3057\u307e\u3057\u305f<\/p>\n","protected":false},"author":23,"featured_media":134264,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4469,4432,4470],"tags":[5800],"product_categories":[4346,4442,4456],"coauthors":[1025],"class_list":["post-120425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vulnerabilities","category-top-cyberthreats-ja","category-vulnerabilities-ja","tag-cve-2021-26084","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-ja","product_categories-next-generation-firewall-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>\u8105\u5a01\u306b\u95a2\u3059\u308b\u60c5\u5831: CVE-2021-26084 Atlassian Confluence Server\u304a\u3088\u3073Data Center\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027<\/title>\n<meta name=\"description\" content=\"2021\u5e748\u670825\u65e5\u3001Atlassian\u306fConfluence Server\u304a\u3088\u3073Data Center\u306b\u5b58\u5728\u3059\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u8106\u5f31\u6027\uff08CVE-2021-26084\uff09\u306b\u95a2\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8106\u5f31\u6027\u304c\u60aa\u7528\u3055\u308c\u305f\u5834\u5408\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u8a8d\u8a3c\u3092\u56de\u907f\u3057\u3066\u3001\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\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\/cve-2021-26084\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" 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