{"id":80645,"date":"2021-12-22T16:29:08","date_gmt":"2021-12-22T08:29:08","guid":{"rendered":"https:\/\/www.i-sprint.com\/?post_type=avada_faq&#038;p=80645"},"modified":"2024-12-03T14:10:42","modified_gmt":"2024-12-03T06:10:42","slug":"apache-java-logging-library-log4j2-vulnerabilities-and-mitigation","status":"publish","type":"avada_faq","link":"https:\/\/www.i-sprint.com\/ja\/faq-items\/apache-java-logging-library-log4j2-vulnerabilities-and-mitigation\/","title":{"rendered":"Apache Java \u30ed\u30ae\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea Log4j2 \u306e\u8106\u5f31\u6027\u3068\u7de9\u548c\u7b56 (CVE-2021-44228, CVE-2021-45046, CVE-2021-45105)"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-transform:none;\"><h3>\u6982\u8981<\/h3>\n<p>Apache \u304c\u6700\u65b0\u306e Log4j2 \u8106\u5f31\u6027\uff08https:\/\/logging.apache.org\/log4j\/2.x\/security.html\uff09\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001Log4j2 \u306e\u6700\u65b0\u30d1\u30c3\u30c1\uff08\u30d0\u30fc\u30b8\u30e7\u30f3 2.17.0\uff09\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u305f\u3053\u3068\u306b\u304a\u6c17\u3065\u304d\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<p>Apache Log4j2\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001AccessMatrix\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002Log4j2\u306e\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u306e\u306f\u3001AccessMatrix\u306e\u30d0\u30fc\u30b8\u30e7\u30f35.6.5\u304b\u30895.7.1\u306e\u307f\u3067\u3059\u3002<\/p>\n<p>i-Sprint\u3067\u306f\u3001AccessMatrix AM Server\u304a\u3088\u3073\u305d\u306e\u4ed6\u306eAM Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08CLP \/ OAuthProxy \/ USO Server \/ USO SSF \/ UAS TAP\uff09\u30d0\u30fc\u30b8\u30e7\u30f35.6.5\uff5e5.7.1\u3092\u3054\u5229\u7528\u306e\u304a\u5ba2\u69d8\u306b\u5bfe\u3057\u3001\u8106\u5f31\u6027\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u9802\u304f\u3053\u3068\u3092\u63a8\u5968\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n<h3>\u8106\u5f31\u6027\u60c5\u5831<\/h3>\n<p>AccessMatrix\u30d0\u30fc\u30b8\u30e7\u30f35.6.5\uff5e5.7.1\u306f\u3001Apache Log4j2 2.11.2\u4ee5\u964d\u306b\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u6700\u8fd1\u306eApache Log4j2\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u3066\u3044\u308bApache Tomcat\u306e\u5c55\u958b\u3067\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067Java 8\u4ee5\u4e0a\u306b\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u3066\u3044\u307e\u3059\u3002Apache\u306f\u3001Log4j2\u306e\u8106\u5f31\u6027\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u30d1\u30c3\u30c1\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>CVE-2021-44228<\/strong> &#8211; AccessMatrix 5.6.5 \u304b\u3089 5.7.1 \u304c\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002Apache \u306f\u3001\u6052\u4e45\u7684\u306a\u7de9\u548c\u7b56\u3068\u3057\u3066 Log4j2 2.15.0 \u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u304a\u308a\u3001AccessMatrix 5.6.5 \u304b\u3089 5.7.1 \u306f\u3001\u3053\u306e Log4j2 2.15.0 \u3078\u306e\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f Log4j2 \u306e\u76f4\u63a5\u30d1\u30c3\u30c1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>CVE-2021-45046<\/strong> &#8211; AccessMatrix 5.6.5 \u304b\u3089 5.7.1 \u304c\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002Apache \u306f\u3001\u6052\u4e45\u7684\u306a\u7de9\u548c\u7b56\u3068\u3057\u3066 Log4j2 2.15.0 \u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3066\u304a\u308a\u3001AccessMatrix 5.6.5 \u304b\u3089 5.7.1 \u306f\u3001\u3053\u306e Log4j2 2.15.0 \u3078\u306e\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305f Log4j2 \u306e\u76f4\u63a5\u30d1\u30c3\u30c1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>CVE-2021-45105<\/strong> &#8211; AccessMatrix 5.x\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002AccessMatrix\u30d0\u30fc\u30b8\u30e7\u30f35.x\u306e\u30ed\u30ae\u30f3\u30b0\u8a2d\u5b9a\u306f\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u691c\u7d22\uff08${ctx:loginId}\u3084$${ctx:loginId}\u306e\u3088\u3046\u306a\uff09\u3092\u542b\u3093\u3067\u3044\u307e\u305b\u3093\uff08\u6ce8: \u78ba\u8a8d\u306e\u305f\u3081\u306b\u3001am5\/WEB-INF\/classes\/amlog4j2.properties \u306e\u5185\u5bb9\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff09\u3002 \u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u3088\u3046\u306a); Apache\u306f\u3001\u6052\u4e45\u7684\u306a\u7de9\u548c\u3068\u3057\u3066Log4j2 2.17.0\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3001AccessMatrix 5.x\u306f\u3001\u3053\u306eLog4j2 2.17.0\u3078\u306e\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u305fLog4j2\u306e\u76f4\u63a5\u30d1\u30c3\u30c1\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u7d50\u8ad6<\/p>\n<ul>\n<li>AccessMatrix 5.6.5\u304b\u30895.7.1\uff08Java 8\u4ee5\u964d\u3092\u4f7f\u7528\uff09\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u3001\u4e0a\u8a18\u3067\u516c\u958b\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306b\u5bfe\u3059\u308b\u6052\u4e45\u7684\u306a\u5bfe\u7b56\u3068\u3057\u3066\u3001AccessMatrix\u306b\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u3066\u3044\u308bLog4j2\u3092\u76f4\u63a52.17.0\u306b\u30d1\u30c3\u30c1\u9069\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>AccessMatrix 5.6.5\u304b\u30895.7.1\uff08Java 7\u4ee5\u524d\u3092\u4f7f\u7528\uff09\u3092\u3054\u5229\u7528\u306e\u5834\u5408\u306f\u3001i-Sprint\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30b5\u30dd\u30fc\u30c8\u30b3\u30f3\u30b5\u30eb\u30bf\u30f3\u30c8\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>AccessMatrix 5.6.4\u4ee5\u524d\u306b\u3064\u3044\u3066\u306f\u3001\u5bfe\u51e6\u306e\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>\u6052\u4e45\u7684\u306a\u5bfe\u7b56<\/h3>\n<p>\u307e\u305a\u3001\u73fe\u5728\u306eAccessMatrix\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3001\u4e0a\u8a18\u306eLog4j2\u306e\u8106\u5f31\u6027\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001AccessMatrix\u7ba1\u7406\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u300c\u30d8\u30eb\u30d7\u300d\u2192\u300c\u30d0\u30fc\u30b8\u30e7\u30f3\u60c5\u5831\u300d\u30e1\u30cb\u30e5\u30fc\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002AccessMatrix\u306b\u3064\u3044\u3066\u300d\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u306b\u73fe\u5728\u306eAM\u30b5\u30fc\u30d0\u30fc\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30d1\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/i-sprint.com\/download\/apache-log4j-2.17.0-bin.zip\">Log4j2 v2.17.0<\/a><\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u30ea\u30f3\u30af\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001Apache\u306e\u516c\u5f0f\u30b5\u30a4\u30c8<a href=\"https:\/\/www.apache.org\/dyn\/closer.lua\/logging\/log4j\/2.17.0\/apache-log4j-2.17.0-bin.zip\">https:\/\/www.apache.org\/dyn\/closer.lua\/logging\/log4j\/2.17.0\/apache-log4j-2.17.0-bin.zip<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u30663\u3064\u306eJAR\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n<ol>\n<li>\u9ad8\u53ef\u7528\u6027(HA)\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u7a3c\u52d5\u3057\u3066\u3044\u308b AM Server \u306e\u5404\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u3057\u3066\u3001\u9806\u756a\u306b\u4ee5\u4e0b\u3092\u9069\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>AM Server \u30b5\u30fc\u30d3\u30b9\u3092\u505c\u6b62\u3057\u307e\u3059\u3002<\/li>\n<li>am5\/WEB-INF\/lib\u304b\u3089\u4ee5\u4e0b\u306e3\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\uff08\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u305f\u3081\u3001\u73fe\u5728\u306eam5 web app\u30d5\u30a9\u30eb\u30c0\u4ee5\u5916\u306e\u30d5\u30a9\u30eb\u30c0\u306b\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff09\uff1a<\/li>\n<\/ol>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>oss-org-apache-log4j-core-2.12.0.jar or log4j-core-2.12.0.jar<\/li>\n<li>oss-org-apache-log4j-api-2.12.0.jar or log4j-api-2.12.0.jar<\/li>\n<li>oss-org-apache-log4j-1.2-api-2.12.0.jar or log4j-1.2-api-2.12.0.jar<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ol start=\"4\">\n<li>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u30d1\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092am5\/WEB-INF\/lib\u306b\u30b3\u30d4\u30fc\u3057\u307e\u3059:\n<ul>\n<li>oss-org-apache-log4j-core-2.17.0.jar<\/li>\n<li>oss-org-apache-log4j-api-2.17.0.jar<\/li>\n<li>oss-org-apache-log4j-1.2-api-2.17.0.jar<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u6ce8\uff1a<\/strong>Apache\u306e\u516c\u5f0f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304b\u3089\u30d1\u30c3\u30c1\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u5834\u5408\u306f\u3001\u4e0a\u8a18\u306e3\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u3092\u9069\u5b9c\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol 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