{"id":93329,"date":"2021-12-14T10:47:16","date_gmt":"2021-12-14T01:47:16","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=93329"},"modified":"2021-12-14T10:47:16","modified_gmt":"2021-12-14T01:47:16","slug":"log4shell-cheat-sheet-reference-guide","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/log4shell-cheat-sheet-reference-guide\/","title":{"rendered":"\u731b\u5a01\u3092\u632f\u308b\u3046log4j\u306e\u8106\u5f31\u6027\u300cLog4Shell\u300d\u306e\u60c5\u5831\u3092\u307e\u3068\u3081\u305f\u30c1\u30fc\u30c8\u30b7\u30fc\u30c8\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30b5\u30a4\u30c8\u304c\u8a95\u751f"},"content":{"rendered":"

\"S<\/p>\n

\u73fe\u5728Java\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ea\u300cApache Log4j\u300d\u306b\u3001\u4efb\u610f\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u91cd\u5927\u306a\u8106\u5f31\u6027\u300cLog4Shell(CVE-2021-44228)<\/a>\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u5927\u304d\u306a\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n

Java\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3082\u591a\u304f\u3001\u653b\u6483\u8005\u304b\u3089\u5bb9\u6613\u306b\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u304b\u3089\u91cd\u5927\u306a\u554f\u984c\u3068\u306a\u3063\u3066\u3044\u308b\u306a\u304b\u3001Log4Shell\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u307e\u3068\u3081\u305f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30b5\u30a4\u30c8\u300cLog4Shell log4j vulnerability (CVE-2021-44228) - cheat-sheet reference guide<\/a>\u300d\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005Royce Williams\u6c0f\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305f\u30da\u30fc\u30b8\u3067\u3001\u8106\u5f31\u6027\u306e\u5f71\u97ff\u7bc4\u56f2\u3084\u3001\u6982\u8981\u3001\u6280\u8853\u7684\u306a\u5206\u6790\u3001\u5bfe\u7b56\u65b9\u6cd5\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u88fd\u54c1\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u95a2\u9023\u60c5\u5831\u304c\u308f\u304b\u308a\u3084\u3059\u304f\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\"S<\/p>\n

\u4f8b\u3048\u3070\u5bfe\u7b56\u306b\u95a2\u3057\u3066\u306f\u3001\u6700\u3082\u6b63\u653b\u6cd5\u3067\u3042\u308bLog4j\u30e9\u30a4\u30d6\u30e9\u30ea\u306e2.15\u4ee5\u964d\u3078\u306e\u66f4\u65b0\u3092\u884c\u3046\u3068\u3044\u3046\u3082\u306e\u306e\u307b\u304b\u3001Java\u306e\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u300clog4j2.formatMsgNoLookups\u300d\u3092true\u306b\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3001\u30d1\u30bf\u30fc\u30f3\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u300c%m{nolookups}\u300d\u3092\u6307\u5b9a\u3057\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u9632\u3050\u65b9\u6cd5\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u5bfe\u7b56\u3084\u7de9\u548c\u7b56\u304c\u96e3\u6613\u5ea6\u5225\u306b\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Apache Log4j\u3092\u4f7f\u7528\u3057\u3066\u3044\u308bJava\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7ba1\u7406\u8005\u306e\u65b9\u306f\u53c2\u8003\u306b\u3057\u3066\u307f\u3066\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u73fe\u5728Java\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ea\u300cApache Log4j\u300d\u306b\u3001\u4efb\u610f\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u91cd\u5927\u306a\u8106\u5f31\u6027\u300cLog4Shell(CVE-2021-44228)\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c […]<\/p>\n","protected":false},"author":2,"featured_media":93330,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[66],"tags":[4443],"class_list":["post-93329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-webservice","tag-log4j"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=93329"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/93330"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=93329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=93329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=93329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}