{"id":93295,"date":"2021-12-13T10:29:26","date_gmt":"2021-12-13T01:29:26","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=93295"},"modified":"2021-12-13T10:29:26","modified_gmt":"2021-12-13T01:29:26","slug":"logout4shell","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/logout4shell\/","title":{"rendered":"\u6bd2\u3092\u3082\u3063\u3066\u6bd2\u3092\u5236\u3059Log4Shell\u8106\u5f31\u6027\u3092\u9006\u7528\u3057\u305f\u30ef\u30af\u30c1\u30f3\u30c4\u30fc\u30eb\u300cLogout4Shell\u300d\u304c\u516c\u958b"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2021\/12\/s_20211213_95122.jpg\" alt=\"S 20211213 95122\" title=\"s_20211213_95122.jpg\" border=\"0\" width=\"930\" height=\"518\" \/><\/p>\n<p>Java\u88fd\u30bd\u30d5\u30c8\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ea\u300cApache Log4j\u300d\u306b\u6df1\u523b\u306a\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u61f8\u5ff5\u304c\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u8106\u5f31\u6027\u306f\u300c<a href=\"https:\/\/softantenna.com\/blog\/log4j-vulnerability\/\">Log4Shell<\/a>\u300d\u3068\u3088\u3070\u308c\u3001\u4efb\u610f\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u304c\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5b9f\u884c\u53ef\u80fd\u3068\u306a\u308b\u3053\u3068\u304b\u3089\u3001CVE-2021-44228\u306e\u6df1\u523b\u5ea6\u306f\u6700\u9ad8\u30e9\u30f3\u30af\u306e10\u3068\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8106\u5f31\u6027\u300cLog4Shell\u300d\u306fLog4j\u306e\u30d0\u30fc\u30b8\u30e7\u30f32.0\u304b\u30892.14.1\u306b\u5f71\u97ff\u3057\u3001\u5bfe\u7b56\u304c\u884c\u308f\u308c\u305f2.15.0\u4ee5\u4e0a\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u6700\u5584\u306e\u5bfe\u7b56\u3067\u3059\u304c\u30012.10\u4ee5\u964d\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u300clog4j2.formatMsgNoLookups\u300d\u3092true\u306b\u8a2d\u5b9a\u3059\u308b\u304b\u3001\u30af\u30e9\u30b9\u30d1\u30b9\u304b\u3089JndiLookup\u30af\u30e9\u30b9\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3067\u3001\u8106\u5f31\u6027\u3092\u7de9\u548c\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u306a\u304aJava\u30e9\u30f3\u30bf\u30a4\u30e0\u304c8u121\u4ee5\u4e0a\u306e\u5834\u5408\u3001com.sun.jndi.rmi.object.trustURLCodebas\u304a\u3088\u3073com.sun.jndi.cosnaming.object.trustURLCodebase\u304cfalse\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u3053\u308c\u3089\u6b63\u653b\u6cd5\u306e\u5bfe\u7b56\u304c\u3068\u308c\u306a\u3044\u74b0\u5883\u306e\u305f\u3081\u306b\u3001Cybereason\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u304c\u3001\u3053\u306e\u8106\u5f31\u6027\u3092\u9006\u7528\u3059\u308b\u300c<a href=\"https:\/\/github.com\/Cybereason\/Logout4Shell\">Logout4Shell<\/a>\u300d\u3068\u3088\u3070\u308c\u308b\u30ef\u30af\u30c1\u30f3\u30c4\u30fc\u30eb\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059(<a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/researchers-release-vaccine-for-critical-log4shell-vulnerability\/\">BleepingComputer<\/a>)\u3002<\/p>\n<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2021\/12\/s_20211213_100813.jpg\" alt=\"S 20211213 100813\" title=\"s_20211213_100813.jpg\" border=\"0\" width=\"873\" height=\"540\" \/><\/p>\n<p>\u89e3\u8aac\u306b\u3088\u308b\u3068\u3001Logout4Shell\u306f\u8106\u5f31\u6027\u305d\u306e\u3082\u306e\u3092\u5229\u7528\u3057\u3066\u3001\u305d\u308c\u3092\u7121\u52b9\u306b\u3059\u308b\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u3082\u306e\u3068\u306e\u3053\u3068\u3002\u8106\u5f31\u6027\u306f\u975e\u5e38\u306b\u60aa\u7528\u3055\u308c\u3084\u3059\u304f\u3001\u3069\u3053\u306b\u3067\u3082\u3042\u308b\u3082\u306e\u306a\u306e\u3067\u3001\u7279\u5b9a\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u8106\u5f31\u6027\u3092\u9589\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u30ef\u30af\u30c1\u30f3\u30c4\u30fc\u30eb\u3092\u4ed6\u4eba\u306e\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u5bfe\u3057\u3066\u5b9f\u884c\u3059\u308b\u884c\u70ba\u306f\u3001\u5584\u610f\u306e\u884c\u52d5\u3060\u3068\u3057\u3066\u3082\u9055\u6cd5\u884c\u70ba\u306b\u3042\u305f\u308b\u3068\u3044\u3046\u898b\u65b9\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u81ea\u5206\u304c\u7ba1\u7406\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u306f\u7d20\u76f4\u306bLog4j\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3067\u5bfe\u5fdc\u3057\u305f\u307b\u3046\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u3002\u6280\u8853\u7684\u53ef\u80fd\u6027\u3068\u3057\u3066\u53c2\u8003\u306b\u7559\u3081\u305f\u307b\u3046\u304c\u826f\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u88fd\u30bd\u30d5\u30c8\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ea\u300cApache Log4j\u300d\u306b\u6df1\u523b\u306a\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u61f8\u5ff5\u304c\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u8106\u5f31\u6027\u306f\u300cLog4Shell\u300d\u3068\u3088\u3070\u308c\u3001\u4efb\u610f\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u304c\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u5b9f\u884c\u53ef\u80fd\u3068\u306a\u308b\u3053\u3068 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":93296,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[4443],"class_list":["post-93295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-log4j"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93295","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=93295"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93295\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/93296"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=93295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=93295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=93295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}