{"id":105414,"date":"2014-09-25T07:32:15","date_gmt":"2014-09-25T14:32:15","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=105414"},"modified":"2020-04-21T01:28:11","modified_gmt":"2020-04-21T08:28:11","slug":"addressing-bash-vulnerability-shellshock-palo-alto-networks-mitigation-cve-2014-6271","status":"publish","type":"post","link":"https:\/\/unit42.paloaltonetworks.com\/ja\/addressing-bash-vulnerability-shellshock-palo-alto-networks-mitigation-cve-2014-6271\/","title":{"rendered":"\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304cBash\u8106\u5f31\u6027Shellshock\u306b\u5bfe\u51e6: CVE-2014-6271\u3078\u306e\u5bfe\u7b56"},"content":{"rendered":"<h1><a id=\"post-105414-Xbb3a3e919a8f75ccd903bc8fa3d7671877dc3c8\"><\/a>\u6982\u8981<\/h1>\n<p>\u7c73\u56fd\u897f\u6d77\u5cb8\u6642\u9593\u306e9\u670824\u65e5\u5348\u524d6\u6642\u9803\u3001UNIX\u7cfbOS\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308bBourne Again Shell (\u4ee5\u4e0b\u3001Bash) \u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027\u306e\u8a73\u7d30\u304c\u8907\u6570\u306eLinux\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002MITRE\u793e\u306b\u3088\u3063\u3066CVE-2014-6271\u3068\u3057\u3066\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u82f1\u56fd\u306e\u30ed\u30dc\u30c3\u30c8\u4f1a\u793eSeeByte\u793e\u306eUNIX\u304a\u3088\u3073Linux\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u96fb\u6c17\u901a\u4fe1\u7ba1\u7406\u8005\u517cIT\u7ba1\u7406\u8005\u306eStephane Chazelas\u6c0f\u306b\u3088\u3063\u3066\u6700\u521d\u306b\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u8106\u5f31\u6027\u306f<a href=\"https:\/\/heartbleed.com\/\">Heartbleed<\/a>\u306e\u3088\u3046\u306a\u6d3e\u624b\u3055\u3084\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u540d\u524d\u306f\u4ed8\u3044\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306f\u3059\u3050\u306b\u300cShellshock\u300d\u3068\u3044\u3046\u540d\u524d\u3067\u547c\u3073\u59cb\u3081\u307e\u3057\u305f\u3002Bash\u306f\u307b\u3068\u3093\u3069\u306eLinux\u3084UNIX\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3068Apple\u306eMac OS X\u306b\u5b58\u5728\u3057\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306f\u3053\u306e\u8106\u5f31\u6027\u3092\u691c\u77e5\u3059\u308b\u30b7\u30b0\u30cd\u30c1\u30e3ID: <a href=\"https:\/\/threatvault.paloaltonetworks.com\/Home\/ThreatDetail\/36729\">36729<\/a> \u201cBash Remote Code Execution Vulnerability\u201d \u3092\u542b\u3080IPS\u30b3\u30f3\u30c6\u30f3\u30c4\u30929\u670825\u65e5\u591c\u306b\u7dca\u6025\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u5411\u3051OS\u300cPAN-OS\u300d\u3068\u7d71\u5408\u7ba1\u7406\u88fd\u54c1\u300cPanorama\u300d\u306e\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u304a\u3044\u3066\u3082\u3001\u8106\u5f31\u6027\u306e\u3042\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306eBash\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8a8d\u8a3c\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u3088\u3063\u3066\u306e\u307f\u653b\u6483\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u7279\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u901a\u5e38\u306ePAN-OS\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30ea\u30ea\u30fc\u30b9\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u3063\u3066\u672c\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u5f0a\u793eWeb\u30b5\u30a4\u30c8\u5185\u306e<a href=\"https:\/\/securityadvisories.paloaltonetworks.com\/\">\u88fd\u54c1\u8106\u5f31\u6027\u60c5\u5831\u30da\u30fc\u30b8<\/a>\u306b\u3066\u6ce8\u610f\u4e8b\u9805\u3092\u63b2\u8f09\u3057\u307e\u3057\u305f\u306e\u3067\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u8106\u5f31\u6027\u306e\u8a73\u7d30<\/h3>\n<p>CVE-2014-6271\u306fBash\u306e\u3053\u308c\u307e\u3067\u306e\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5b58\u5728\u3057\u3001\u30b7\u30a7\u30eb\u8d77\u52d5\u6642\u306b\u304a\u3051\u308b\u74b0\u5883\u5909\u6570\u306e\u51e6\u7406\u65b9\u6cd5\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u74b0\u5883\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5834\u6240\u3068\u3044\u3063\u305f\u60c5\u5831\u304c\u30b7\u30a7\u30eb \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5909\u6570\u4ee5\u5916\u306b\u3082\u3001Bash\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5f8c\u304b\u3089\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u74b0\u5883\u5909\u6570\u306b\u30b7\u30a7\u30eb\u95a2\u6570\u3092\u683c\u7d0d\u3067\u304d\u308b\u3088\u3046\u306b\u3082\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306eBash\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u308c\u3089\u95a2\u6570\u306e\u69cb\u6587\u89e3\u6790\u3067\u306f\u3001\u30b7\u30a7\u30eb\u306f\u8aa4\u3063\u3066\u95a2\u6570\u5b9a\u7fa9\u5f8c\u306b\u8ffd\u52a0\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">$ env x='() { :;}; echo vulnerable\u2019 bash -c \u201cecho this is a test\u201d <\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">vulnerable <\/span><br \/>\n<span style=\"font-family: 'courier new', courier, monospace;\">this is a test<\/span><\/p>\n<p>Bash\u306f\u95a2\u6570\u3092\u30af\u30ed\u30fc\u30ba\u3059\u308b\u30bb\u30df\u30b3\u30ed\u30f3\u306e\u5f8c\u306b\u3001\u74b0\u5883\u5909\u6570\u201cx\u201d\u306e\u51e6\u7406\u3092\u505c\u6b62\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u505c\u6b62\u305b\u305a\u306b \u201cecho vulnerable\u201d \u306e\u51e6\u7406\u3092\u7d99\u7d9a\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u4e00\u898b\u3059\u308b\u3068\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u306fBash\u306e\u4e3b\u8981\u6a5f\u80fd\u3067\u3042\u308b\u305f\u3081\u3001\u3042\u307e\u308a\u5371\u967a\u6027\u304c\u7121\u3044\u3088\u3046\u306b\u3082\u601d\u3048\u307e\u3059\u304c\u3001\u4ed6\u306e\u591a\u304f\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306bBash\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li>mod_cgi\u304a\u3088\u3073mod_cgid\u3092\u5b9f\u884c\u3057\u3066\u3044\u308bApache \u30b5\u30fc\u30d0\u30fc\u304cBash\u30b7\u30a7\u30eb\u3092\u8d77\u52d5\u3057\u3001\u60aa\u610f\u3042\u308bHTTP\u30d8\u30c3\u30c0\u30fc\u3092\u6e21\u3057\u3066\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u5909\u6570\u3092\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b<\/li>\n<li>\u4f55\u3089\u304b\u306e\u5834\u5408\u306b OpenSSH \u304cBash\u304b\u3089\u6e21\u3055\u308c\u305f\u74b0\u5883\u5909\u6570\u3092\u89e3\u6790\u3057\u3001\u672c\u8106\u5f31\u6027\u3092\u7528\u3044\u3066\u7279\u6a29\u3092\u5f97\u3066\u3001\u8106\u5f31\u306a\u72b6\u614b\u3068\u306a\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u30892\u3064\u306e\u4f8b\u304c\u73fe\u6642\u70b9\u3067\u672c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u6700\u3082\u53ef\u80fd\u6027\u306e\u9ad8\u3044\u653b\u6483\u624b\u6cd5\u3067\u3059\u304c\u3001\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u653b\u6483\u306b\u5229\u7528\u3067\u304d\u308b\u65b9\u6cd5\u3067Bash\u3092\u4f7f\u7528\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u5b8c\u5168\u306b\u653b\u6483\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u552f\u4e00\u306e\u65b9\u6cd5\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u4e0a\u306eBash\u3092\u8106\u5f31\u6027\u306e\u7121\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3>\u5f71\u97ff\u7bc4\u56f2<\/h3>\n<p>\u672c\u8106\u5f31\u6027\u306f\u8cac\u4efb\u3092\u6301\u3063\u305f\u5f62\u3067\u958b\u793a\u304c\u884c\u308f\u308c\u3001\u4e00\u822c\u516c\u8868\u65e5\u306b\u307b\u3068\u3093\u3069\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u30d1\u30c3\u30c1\u304c\u5229\u7528\u53ef\u80fd\u3068\u306a\u3063\u305f\u3053\u3068\u306f\u826f\u3044\u70b9\u3067\u3059\u3002\u60aa\u3044\u70b9\u306f\u3001\u672c\u8106\u5f31\u6027\u304c\u975e\u5e38\u306b\u5e83\u7bc4\u56f2\u306b\u308f\u305f\u308b\u6050\u308c\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u6700\u3082\u4eba\u6c17\u306e\u3042\u308bLinux\u30d0\u30ea\u30a2\u30f3\u30c8\uff08\u7a2e\u985e\uff09\u306b\u304a\u3044\u3066Bash\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b7\u30a7\u30eb\u3067\u3042\u308a\u3001\u904e\u53bb\uff12\uff10\u5e74\u306b\u308f\u305f\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u826f\u304f\u7ba1\u7406\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u672c\u65e5\u30d1\u30c3\u30c1\u304c\u9069\u7528\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u304c\u3001\u30e9\u30c3\u30af\u306e\u4e2d\u3067\u57c3\u3092\u304b\u3076\u3063\u305f\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u308b\u3053\u3068\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30d0\u30a4\u30b9\u3001\u7d44\u8fbc\u30b7\u30b9\u30c6\u30e0\u3001IP\u30ab\u30e1\u30e9\u306e\u3088\u3046\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u591a\u304f\u306fLinux\u3067\u5b9f\u884c\u3055\u308c\u3066\u304a\u308a\u3001\u8106\u5f31\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u5358\u7d14\u306bBash\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u60aa\u7528\u3055\u308c\u308b\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u60aa\u7528\u3059\u308b\u306b\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067Bash\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u8d77\u52d5\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u524d\u8ff0\u306e\u3088\u3046\u306b\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u653b\u6483\u30b7\u30ca\u30ea\u30aa\u306fApache\u304c\u5b9f\u884c\u3055\u308cCGI\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u4f7f\u308f\u308c\u3066\u3044\u308bWeb\u30b5\u30fc\u30d0\u30fc\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306b\u3068\u3063\u3066Web\u30b5\u30fc\u30d0\u30fc\u306f\u7d20\u6674\u3089\u3057\u3044\u30ea\u30bd\u30fc\u30b9\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60aa\u7528\u304c\u61f8\u5ff5\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>DDoS \u653b\u6483\u3092\u5b9f\u65bd\u3059\u308b (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Operation_Ababil\">Operation Ababil<\/a>\u3092\u53c2\u7167)<\/li>\n<li>\u8a2a\u554f\u8005\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u611f\u67d3\u3055\u305b\u308b<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u90e8\u306b\u8e0f\u307f\u53f0\u3092\u4f5c\u308a\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u62e1\u6563\u3059\u308b<\/li>\n<li>Web\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u643e\u53d6\u3059\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001\u3059\u3067\u306b<a href=\"https:\/\/blog.erratasec.com\/2014\/09\/bash-shellshock-scan-of-internet.html\">\u9032\u884c\u4e2d\u306e<\/a>\u3001\u8106\u5f31\u306a\u30db\u30b9\u30c8\u306b\u5bfe\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u5927\u898f\u6a21\u30b9\u30ad\u30e3\u30f3\u304b\u3089\u5f97\u3089\u308c\u305f\u53ef\u80fd\u6027\u306e\u3042\u308b\u7d50\u679c\u3067\u3059\u3002<\/p>\n<h3>\u63a8\u5968<\/h3>\n<ul>\n<li>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u8105\u5a01\u9632\u5fa1\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u8cfc\u5165\u3057\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306f\u3001CVE-2014-6271\u306e\u60aa\u7528\u3092\u691c\u77e5\u3059\u308b\u8106\u5f31\u6027\u30b7\u30b0\u30cd\u30c1\u30e3<a href=\"https:\/\/threatvault.paloaltonetworks.com\/Home\/ThreatDetail\/36729\">36729<\/a>\u3092\u5c0e\u5165\u3059\u308b\u305f\u3081\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u7d4c\u7531\u3067\u8105\u5a01\u30b3\u30f3\u30c6\u30f3\u30c4\u30d0\u30fc\u30b8\u30e7\u30f3457\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u3053\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u304c\u30d2\u30c3\u30c8\u3057\u3066\u3044\u306a\u3044\u304b\u8105\u5a01\u30ed\u30b0\u3092\u76e3\u8996\u3057\u3001\u5f53\u8a72\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u304b\u3089\u306e\u4ee5\u5f8c\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u3053\u306e\u884c\u70ba\u306f\u653b\u6483\u8005\u304c\u5c06\u6765\u306e\u653b\u6483\u306e\u305f\u3081\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u884c\u3046\u5075\u5bdf\u884c\u52d5\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u8106\u5f31\u6027\u306e\u7121\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3078Bash\u3092\u66f4\u65b0\u3059\u308b\u305f\u3081\u306b\u3001\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\n<ul>\n<li><a href=\"https:\/\/access.redhat.com\/security\/cve\/CVE-2014-62719\">RedHat<\/a><\/li>\n<li><a href=\"https:\/\/www.debian.org\/security\/2014\/dsa-3032\">Debian<\/a><\/li>\n<li><a href=\"https:\/\/lists.centos.org\/pipermail\/centos-announce\/2014-September\/020585.html\">Centos<\/a><\/li>\n<li><a href=\"https:\/\/www.ubuntu.com\/usn\/usn-2362-1\/\">Ubuntu<\/a><\/li>\n<li><a href=\"https:\/\/support.novell.com\/security\/cve\/CVE-2014-6271.html\">Novell<\/a><\/li>\n<\/ul>\n<\/li>\n<li>\u672c\u30d6\u30ed\u30b0\u6295\u7a3f\u6642\u70b9\u3067\u3001Apple\u306f\u672c\u554f\u984c\u306b\u5bfe\u5fdc\u3057\u305fMac OS X\u7528\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001Bash 3.2 (Mac OS 10.9\u306b\u542b\u307e\u308c\u308b) \u7528\u306e\u30d1\u30c3\u30c1\u306f\u3001\u72ec\u81ea\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u9078\u629e\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306b <a href=\"https:\/\/ftp.gnu.org\/pub\/gnu\/bash\/bash-3.2-patches\/bash32-052\">org<\/a> \u304b\u3089\u5165\u624b\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li>Bash\u3092\u66f4\u65b0\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u4ee3\u66ff\u30b7\u30a7\u30eb\u3078\u306e\u7f6e\u304d\u63db\u3048\u304c\u691c\u8a0e\u3067\u304d\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u4e92\u63db\u6027\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>PAN-OS \u30e6\u30fc\u30b6\u30fc\u306f\u3001\u7ba1\u7406\u8005\u4ee5\u5916\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u672c\u8106\u5f31\u6027\u304c\u5229\u7528\u3055\u308c\u3066\u4e0a\u4f4d\u6a29\u9650\u3092\u53d6\u5f97\u3055\u308c\u308b\u53ef\u80fd\u6027\u3092\u6392\u9664\u3057\u3001\u672c\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u7de9\u548c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u7c73\u56fd\u897f\u6d77\u5cb8\u6642\u9593\u306e9\u670824\u65e5\u5348\u524d6\u6642\u9803\u3001UNIX\u7cfbOS\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308bBourne Again Shell (\u4ee5\u4e0b\u3001Bash) \u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027\u306e\u8a73\u7d30\u304c\u8907\u6570\u306eLinux\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u516c\u958b\u3055\u308c\u307e\u3057\u305f\u3002MITRE\u793e\u306b\u3088<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4469,4428,4470],"tags":[6839,8179,8181,4553,7783,4541,8183,8185,8187,8188,7573],"product_categories":[4346,4442],"coauthors":[39],"class_list":["post-105414","post","type-post","status-publish","format-standard","hentry","category-vulnerabilities","category-threat-research-ja","category-vulnerabilities-ja","tag-apache-ja","tag-bash-ja","tag-cve-2014-6271-ja","tag-linux-ja","tag-mac-os-x-ja","tag-mitre-ja","tag-openssh-ja","tag-pan-os-ja","tag-panorama-ja","tag-shellshock","tag-unix-ja","product_categories-advanced-threat-prevention","product_categories-advanced-threat-prevention-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>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304cBash\u8106\u5f31\u6027Shellshock\u306b\u5bfe\u51e6: CVE-2014-6271\u3078\u306e\u5bfe\u7b56<\/title>\n<meta name=\"description\" content=\"2016\u5e749\u670824\u65e5\u3001UNIX\u7cfbOS\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308bBourne Again Shell\u306b\u5b58\u5728\u3059\u308b\u8106\u5f31\u6027(CVE-2014-6271)\u306e\u8a73\u7d30\u304c\u8907\u6570\u306eLinux\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u516c\u958b\u3055\u308c\u307e\u3057\u305f\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\/addressing-bash-vulnerability-shellshock-palo-alto-networks-mitigation-cve-2014-6271\/\" \/>\n<meta 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property=\"article:modified_time\" content=\"2020-04-21T08:28:11+00:00\" \/>\n<meta name=\"author\" content=\"Ryan Olson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304cBash\u8106\u5f31\u6027Shellshock\u306b\u5bfe\u51e6: CVE-2014-6271\u3078\u306e\u5bfe\u7b56","description":"2016\u5e749\u670824\u65e5\u3001UNIX\u7cfbOS\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308bBourne Again 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