{"id":151114,"date":"2022-01-04T23:03:20","date_gmt":"2022-01-05T07:03:20","guid":{"rendered":"https:\/\/www.paloaltonetworks.com\/blog\/?p=151114"},"modified":"2022-01-04T23:03:20","modified_gmt":"2022-01-05T07:03:20","slug":"defense-for-apache-log4j","status":"publish","type":"post","link":"https:\/\/origin-researchcenter.paloaltonetworks.com\/blog\/2022\/01\/defense-for-apache-log4j\/?lang=ja","title":{"rendered":"\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u63d0\u4f9b\u3059\u308bApache Log4j\u304b\u3089\u306e\u5305\u62ec\u7684\u4fdd\u8b77"},"content":{"rendered":"<p>2021\u5e74\u672b\u306b\u958b\u793a\u3055\u308c\u305fApache Log4j\u306e\u8106\u5f31\u6027\u306f2\u3064\u306e\u7406\u7531\u304b\u3089\u3068\u304f\u306b\u3084\u3063\u304b\u3044\u306a\u554f\u984c\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u7b2c1\u306e\u7406\u7531\u306fApache Log4j\u304c\u4e16\u754c\u4e2d\u306e\u4f01\u696d\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u81ea\u793e\u958b\u767a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u30ed\u30ae\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u3066\u5f71\u97ff\u7bc4\u56f2\u304c\u5927\u304d\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002Apache Log4j\u306e\u554f\u984c\u306f\u307b\u307c\u3060\u308c\u306b\u3067\u3082\u5f71\u97ff\u3059\u308b\u306e\u3067\u3059\u3002\u7b2c2\u306e\u7406\u7531\u306f\u4fee\u5fa9\u306b\u6570\u9031\u9593\u304b\u304b\u308a\u304b\u306d\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u6700\u826f\u306e\u5bfe\u7b56\u306f\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3059\u304c\u3001\u305d\u306e\u305f\u3081\u306b\u306f\u307e\u305a\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u306d\u3070\u306a\u3089\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3069\u3053\u306b\u3069\u308c\u3060\u3051\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u628a\u63e1\u305b\u306d\u3070\u306a\u308a\u307e\u305b\u3093\u3057\u3001Java 8\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3057\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002\u30d1\u30c3\u30c1\u9069\u7528\u524d\u306bJava\u3058\u305f\u3044\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u306e\u306f\u5927\u4ed5\u4e8b\u3067\u3059\u3057\u3001Log4j\u306e\u30d1\u30c3\u30c1\u9069\u7528\u524d\u306b\u30c6\u30b9\u30c8\u30b5\u30a4\u30af\u30eb\u3092\u56de\u3057\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3078\u306e\u5f71\u97ff\u3092\u8abf\u67fb\u3059\u308b\u306e\u3082\u3001\u5e74\u672b\u306b\u751f\u7523\u3092\u505c\u6b62\u3059\u308b\u306e\u3082\u305f\u3044\u3078\u3093\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u7406\u7531\u304b\u3089\u6700\u65b0\u7248\u3078\u306e\u66f4\u65b0\u3092\u4f55\u65e5\u3042\u308b\u3044\u306f\u4f55\u9031\u9593\u3082\u898b\u5408\u308f\u305b\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><strong>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306fApache Log4j\u306e\u8106\u5f31\u6027\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u3057\u3066\u3044\u308b\u306e\u304b<\/strong><\/h2>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067Apache Log4j\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7279\u5b9a\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u3092\u884c\u3046\u305f\u3081\u306e\u591a\u304f\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u306e\u963b\u6b62<\/h4>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u8105\u5a01\u9632\u5fa1\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u5099\u3048\u305f\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001Cortex XDR\u3001Prisma Cloud\u306b\u3088\u308b\u4fdd\u8b77\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u304a\u5ba2\u69d8\u7d44\u7e54\u306e\u62c5\u5f53\u90e8\u9580\u304c\u8106\u5f31\u6027\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u7a3c\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.paloaltonetworks.jp\/products\/secure-the-network\/subscriptions\/threat-prevention\" rel=\"nofollow,noopener\" >\u8105\u5a01\u9632\u5fa1<\/a>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u5099\u3048\u305f<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" rel=\"nofollow,noopener\" >\u6b21\u4e16\u4ee3\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a>(<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/next-generation-firewall\" rel=\"nofollow,noopener\" >PA-Series<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/prisma\/vm-series\" rel=\"nofollow,noopener\" >VM-Series<\/a>\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/network-security\/cn-series\" rel=\"nofollow,noopener\" >CN-Series<\/a>)\u307e\u305f\u306f<a href=\"https:\/\/www.paloaltonetworks.com\/sase\/access\">Prisma Access<\/a>\u306f\u3001\u540c\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\n<ul>\n<li>\u5f0a\u793e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u3059\u3067\u306b\u5b9f\u8df5\u3055\u308c\u3066\u3044\u308b\u304a\u5ba2\u69d8\u306f\u3001\u624b\u52d5\u3067\u306e\u4ecb\u5165\u306a\u3057\u306b\u3001\u3053\u308c\u3089\u306e\u653b\u6483\u306b\u5bfe\u3057\u81ea\u52d5\u7684\u306b\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u306f\u3001\u653b\u6483\u306e\u7b2c\u4e00\u6bb5\u968e\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u9069\u5207\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306b\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u300cCritical(\u7dca\u6025)\u300d\u30ec\u30d9\u30eb\u306e\u8106\u5f31\u6027\u304c\u300creset(\u30ea\u30bb\u30c3\u30c8)\u300d\u307e\u305f\u306f\u300cdefault(\u30c7\u30d5\u30a9\u30eb\u30c8)\u300d\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>Log4j\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306b\u306f\u5916\u90e8\u306b\u30db\u30b9\u30c8\u3055\u308c\u305f\u30b3\u30fc\u30c9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002Advanced URL Filtering \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u5e38\u6642\u76e3\u8996\u3092\u7d99\u7d9a\u3057\u3001\u65b0\u305f\u306a\u672a\u77e5\/\u65e2\u77e5\u306e\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\/Web\u30b5\u30a4\u30c8\u306b\u3088\u308b\u5b89\u5168\u3067\u306a\u3044\u5916\u90e8\u3078\u306e\u63a5\u7d9a\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li>\u9069\u5207\u306a\u51fa\u53e3\u65b9\u5411(Egress)\u306e\u30a2\u30d7\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u4f7f\u3046\u3053\u3068\u3067\u653b\u6483\u306e\u7b2c2\u6bb5\u968e\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002\u300cldap\u300d\u3001\u300crmi-iiop\u300d\u306eApp-ID\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u4fe1\u983c\u3055\u308c\u3066\u3044\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u4e88\u671f\u305b\u306c\u63a5\u7d9a\u5143\u3068\u306e\u9593\u306e\u3059\u3079\u3066\u306eRMI\u3001LDAP\u3092\u30d6\u30ed\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>HTTPS\u3092\u4ecb\u3057\u305f\u65e2\u77e5\u306e\u653b\u6483\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u306b\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u4e0a\u3067\u300cSSL\u5fa9\u53f7\u5316\u300d\u3092\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>Log4j\u304c\u81ea\u793e\u74b0\u5883\u5185\u306b\u3042\u308b\u304a\u5ba2\u69d8\u306f\u3001\u5404\u30d9\u30f3\u30c0\u306e\u6307\u793a\u306b\u3057\u305f\u304c\u3044\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u307e\u305f\u306f\u7de9\u548c\u7b56\u306e\u9069\u7528\u3092\u884c\u3046\u3088\u3046\u306b\u3057\u3001\u8105\u5a01\u9632\u5fa1\u30b7\u30b0\u30cd\u30c1\u30e3\u3060\u3051\u306b\u305f\u3088\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u3055\u3089\u306b\u8a73\u3057\u304f\u306f\u3053\u3061\u3089\u306e<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/network-security\/apache-log4j-vulnerability-ngfw\/?lang=ja\">\u30af\u30e9\u30a6\u30c9\u914d\u4fe1\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u305fNGFW<\/a>\u3067\u3001\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u304b\u3089\u304a\u5ba2\u69d8\u3092\u4fdd\u8b77\u3059\u308b\u65b9\u6cd5\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Cortex XDR agent 7.0\u4ee5\u964d\u304a\u3088\u3073\u30b3\u30f3\u30c6\u30f3\u30c4290-78377\u3092Linux\u4e0a\u3067\u5b9f\u884c\u3057\u3066\u3044\u308bCortex XDR\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/docs.paloaltonetworks.com\/cortex\/cortex-xdr\/cortex-xdr-prevent-admin\/endpoint-security\/endpoint-protection-modules.html\">Java Deserialization Exploit\u4fdd\u8b77\u30e2\u30b8\u30e5\u30fc\u30eb<\/a>\u3067\u3059\u3079\u3066\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u30c1\u30a7\u30fc\u30f3\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002Cortex XDR\u306e\u304a\u5ba2\u69d8\u306f\u3001BTP (Behavioral Threat Protection) \u306b\u3088\u308a\u3001CVE-2021-44228\u306b\u8d77\u56e0\u3059\u308b\u69d8\u3005\u306a\u89b3\u6e2c\u6e08\u307f\u30da\u30a4\u30ed\u30fc\u30c9\u304b\u3089\u4fdd\u8b77\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001Cortex XDR Pro\u3092\u304a\u4f7f\u3044\u306e\u304a\u5ba2\u69d8\u3067Analytics\u3092\u304a\u4f7f\u3044\u306e\u5834\u5408\u306f\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u95a2\u9023\u3057\u305f\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u304c\u691c\u51fa\u3055\u308c\u307e\u3059\u3002<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Web Application and API Security\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6709\u52b9\u306b\u3057\u3066\u3001Enterprise Edition\u307e\u305f\u306fCompute Edition\u3067\u6700\u65b0\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\uff0821.08.525, Update 2\u4ee5\u4e0a\uff09\u3092\u5b9f\u884c\u3057\u3066\u3044\u308bPrisma Cloud\u306e\u304a\u5ba2\u69d8\u306f\u3001\u3053\u306eCVE\u306b\u5bfe\u3059\u308b\u4eee\u60f3\u30d1\u30c3\u30c1\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7a4d\u6975\u7684\u306b\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u7279\u5b9a\u3057\u3001\u9632\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5229\u7528\u4e2d\u306ePrisma Cloud\u304c\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u306a\u3044\u5834\u5408\u3001<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/prisma-cloud\/log-4-shell-vulnerability\/?lang=ja\">Prevent\u30e2\u30fc\u30c9<\/a>\u3067\u30ab\u30b9\u30bf\u30e0\u30eb\u30fc\u30eb\u3092\u624b\u52d5\u3067\u4f5c\u6210\u3057\u3066\u6709\u52b9\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h4>\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30b9\u30b3\u30fc\u30d4\u30f3\u30b0: \u3069\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3092\u7279\u5b9a<\/h4>\n<p>\u65b0\u3057\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u304c\u8868\u9762\u5316\u3059\u308b\u305f\u3073\u3001\u653b\u5b88\u4e21\u30b5\u30a4\u30c9\u3067\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u7279\u5b9a\u7af6\u4e89\u304c\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u6642\u70b9\u3067\u9632\u5fa1\u5074\u306f\u300c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u8cc7\u7523\u306e\u5168\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u300d\u3092\u628a\u63e1\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u3053\u306e\u53ef\u8996\u6027\u3092\u63d0\u4f9b\u3067\u304d\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Prisma Cloud<\/strong>: Prisma Cloud Defender\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u7d99\u7d9a\u7684\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3 (CI) \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3001\u30b3\u30f3\u30c6\u30ca\u30a4\u30e1\u30fc\u30b8\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u30b7\u30b9\u30c6\u30e0\u304c\u30012.14.1\u307e\u305f\u306f\u305d\u308c\u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u8106\u5f31\u306aLog4j\u30d1\u30c3\u30b1\u30fc\u30b8\u307e\u305f\u306fJAR\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>Cortex XSOAR<\/strong>: Cortex XSOAR\u306b\u306f\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u591a\u304f\u3092\u81ea\u52d5\u5316\u3059\u308b\u30d7\u30ec\u30a4\u30d6\u30c3\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u300cCVE-2021-44228 - Log4j RCE'\u300d\u30d1\u30c3\u30af\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3068\u3001NGFW\u3001Cortex XDR\u3001SIEM\u88fd\u54c1\u5168\u4f53\u3067\u3001\u3053\u306e\u8106\u5f31\u6027\u306e\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u3092\u81ea\u52d5\u691c\u51fa\u3057\u3066\u9632\u6b62\u3067\u304d\u307e\u3059\u3002\u8a73\u3057\u304f\u306f<a href=\"https:\/\/www.paloaltonetworks.com\/blog\/security-operations\/automating-speeding-your-response-to-log4j-vulnerability\/?lang=ja\">XSOAR \u30de\u30fc\u30b1\u30c3\u30c8\u30d7\u30ec\u30a4\u30b9<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cortex Xpanse<\/b>: \u3053\u306e\u5916\u90e8\u653b\u6483\u5bfe\u8c61\u9818\u57df\u7ba1\u7406\u88fd\u54c1\u3092\u4f7f\u3048\u3070\u3001\u8cc7\u7523\u306e\u5168\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u6027\u30c7\u30fc\u30bf\u306e\u96c6\u7d04\u3084\u5fc5\u8981\u306a\u5bfe\u7b56\u306e\u4f1d\u9054\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h4>\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9<\/h4>\n<p>Log4j\u306e\u8106\u5f31\u6027\u306b\u95a2\u9023\u3057\u305f\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u3084\u3001\u8fc5\u901f\u306a\u5bfe\u5fdc\u3068\u5fa9\u65e7\u306b\u8ffd\u52a0\u306e\u30de\u30f3\u30d1\u30ef\u30fc\u304c\u5fc5\u8981\u3068\u306a\u3063\u305f\u5834\u5408\u306fUnit 42\u304c\u304a\u624b\u4f1d\u3044\u3057\u307e\u3059\u3002\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"mailto:infojapan@paloaltonetworks.com\">infojapan@paloaltonetworks.com<\/a> \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u304f\u3060\u3055\u3044 (\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093) \u3002<br \/>\nLog4j\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306a\u8abf\u67fb\u7d50\u679c\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/apache-log4j-vulnerability-cve-2021-44228\/\" rel=\"nofollow,noopener\" >Unit 42\u306b\u3088\u308b\u307e\u3068\u3081\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>Log4j\u304b\u3089\u306e\u6559\u8a13<\/h2>\n<p>\u81ea\u5206\u306fApache Log4j\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u30d1\u30fc\u30c8\u30ca\u30fc\u3001\u9867\u5ba2\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u304c\u8106\u5f31\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u542b\u3080\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u30022021\u5e74\u672b\u306b\u898b\u3064\u304b\u3063\u305f\u3053\u306e\u8106\u5f31\u6027\u306f\u3001\u76f8\u4e92\u306b\u4f9d\u5b58\u3057\u3042\u3046\u5927\u898f\u6a21\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u3055\u3092\u3042\u3089\u308f\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30d7\u30e9\u30a4\u30c1\u30a7\u30fc\u30f3\u3067\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u6982\u5ff5\u306b\u300c\u30d6\u30eb\u30a6\u30a3\u30c3\u30d7\u52b9\u679c\u300d\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u4e88\u6e2c\u5916\u306e\u4f9b\u7d66\u5909\u52d5\u304c\u3042\u3063\u305f\u3068\u304d\u3001\u305d\u306e\u5909\u52d5\u304c\u7a4d\u307f\u91cd\u306a\u308a\u3001\u7d50\u679c\u7684\u306b\u5b9f\u9700\u306e\u5909\u52d5\u91cf\u304b\u3089\u4e56\u96e2\u3057\u305f\u30b3\u30b9\u30c8\u9ad8\u3092<em>\u500b\u3005\u306e<\/em>\u4f01\u696d\u306b\u3082\u305f\u3089\u3059\u3001\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5206\u91ce\u3067\u306f\u3001\u3053\u306e\u30d6\u30eb\u30a6\u30a3\u30c3\u30d7\u52b9\u679c\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7248\u3068\u3067\u3082\u547c\u3076\u3079\u304d\u3082\u306e\u3092\u79c1\u305f\u3061\u306f\u4f53\u9a13\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u306f\u3001\u305f\u3063\u305f1\u3064\u306e\u8106\u5f31\u6027\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306b\u3064\u306a\u304c\u308b\u3088\u3046\u306a\u30a4\u30f3\u30d5\u30e9\u3092\u3082\u3064\u3053\u3068\u3067\u3001\u5834\u306b\u3044\u308b<em>\u5168\u54e1\u304c<\/em>\u5f71\u97ff\u3092\u88ab\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u65b0\u306eLog4j\u306e\u5206\u6790\u7d50\u679c\u3068\u7de9\u548c\u7b56\u3001\u6700\u65b0\u306e\u8106\u5f31\u6027\u66f4\u65b0\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u5f15\u304d\u7d9a\u304d <a href=\"https:\/\/unit42.paloaltonetworks.jp\/apache-log4j-vulnerability-cve-2021-44228\/\" rel=\"nofollow,noopener\" >Unit 42\u30d6\u30ed\u30b0<\/a>\u3084<a href=\"https:\/\/register.paloaltonetworks.com\/apachelog4jdec23\">Unit 42\u306b\u3088\u308bApache Log4j\u306e\u8105\u5a01\u306b\u95a2\u3059\u308b\u6700\u65b0\u60c5\u5831\u306e\u30d6\u30ea\u30fc\u30d5\u30a3\u30f3\u30b0<\/a>\u306e\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u30ea\u30d7\u30ec\u30a4\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2021\u5e74\u672b\u306b\u958b\u793a\u3055\u308c\u305fApache Log4j\u306e\u8106\u5f31\u6027\u306f2\u3064\u306e\u7406\u7531\u304b\u3089\u3068\u304f\u306b\u3084\u3063\u304b\u3044\u306a\u554f\u984c\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u7b2c1\u306e\u7406\u7531\u306fApache Log4j\u304c\u4e16\u754c\u4e2d\u306e\u4f01\u696d\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u81ea\u793e\u958b\u767a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u30ed\u30ae\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u3066\u5f71\u97ff\u7bc4\u56f2\u304c\u5927\u304d\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002Apache Log4j\u306e\u554f\u984c\u306f\u307b\u307c\u3060\u308c\u306b\u3067\u3082\u5f71\u97ff\u3059\u308b\u306e\u3067\u3059\u3002\u7b2c2\u306e\u7406\u7531\u306f\u4fee\u5fa9\u306b\u6570\u9031\u9593\u304b\u304b\u308a\u304b\u306d\u306a\u3044\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u6700\u826f\u306e\u5bfe\u7b56\u306f\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3059\u304c\u3001\u305d\u306e\u305f\u3081\u306b\u306f\u307e\u305a\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u306d\u3070\u306a\u3089\u306a\u3044\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3069\u3053\u306b\u3069\u308c\u3060\u3051\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u628a\u63e1\u305b\u306d\u3070\u306a\u308a\u307e\u305b\u3093\u3057\u3001Java 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