{"id":93265,"date":"2021-12-11T10:11:22","date_gmt":"2021-12-11T01:11:22","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=93265"},"modified":"2021-12-11T10:11:22","modified_gmt":"2021-12-11T01:11:22","slug":"log4j-vulnerability","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/log4j-vulnerability\/","title":{"rendered":"Java\u306e\u30ed\u30ae\u30f3\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u300cLog4j\u300d\u306b\u3084\u3070\u3059\u304e\u308b\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u308b - iCloud\u3084Steam\u3001Minecraft\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u30b5\u30fc\u30d3\u30b9\u30fb\u88fd\u54c1\u306b\u5f71\u97ff"},"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\/pexels-markus-spiske-177598.jpeg\" alt=\"Pexels markus spiske 177598\" title=\"pexels-markus-spiske-177598.jpeg\" border=\"0\" width=\"1280\" height=\"853\" \/><\/p>\n<p>Java\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\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(<a href=\"https:\/\/www.itmedia.co.jp\/news\/articles\/2112\/10\/news157.html\">ITmedia<\/a>\u3001<a href=\"https:\/\/9to5mac.com\/2021\/12\/10\/icloud-and-other-services-vulnerable-to-new-log4shell-exploit-impacting-logging-systems\/\">9to5Mac<\/a>)\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306f\u300cLog4Shell\u300d\u3068\u547c\u3070\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u60aa\u610f\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001iCloud\u3084Steam\u306a\u3069\u5927\u898f\u6a21\u306a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f01\u696d\u306e<a href=\"https:\/\/www.lunasec.io\/docs\/blog\/log4j-zero-day\/\">LunaSec<\/a>\u793e\u306b\u3088\u308b\u3068\u3001\u8106\u5f31\u6027\u306fJava\u88fd\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30ed\u30b0\u51fa\u529b\u30e9\u30a4\u30d6\u30e9\u30ea\u300clog4j\u300d\u306b\u5b58\u5728\u3057\u3001\u653b\u6483\u8005\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7279\u5b9a\u306e\u6587\u5b57\u5217\u3092\u30ed\u30b0\u3068\u3057\u3066\u4fdd\u5b58\u3055\u305b\u308b\u3053\u3068\u3067\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u9001\u53d7\u4fe1\u3057\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3084\u3001\u30b7\u30b9\u30c6\u30e0\u30a8\u30e9\u30fc\u306e\u8a73\u7d30\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u304c\u65e5\u5e38\u7684\u306b\u8a18\u9332\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u8106\u5f31\u6027\u306f\u5bb9\u6613\u306b\u60aa\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u61f8\u5ff5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Log4Shell\u306e\u8106\u5f31\u6027\u306f\u3001Minecraft\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u78ba\u8a8d\u3055\u308c\u3066\u304a\u308a\u3001\u30cf\u30c3\u30ab\u30fc\u306f\u30c1\u30e3\u30c3\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u901a\u3058\u3066\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u3066\u3044\u305f\u6a21\u69d8\u3002LunaSec\u793e\u306f\u3001Apple\u793e\u306eiCloud\u306b\u3082\u3053\u306e\u8106\u5f31\u6027\u304c\u3042\u308b\u3068\u4e3b\u5f35\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f71\u97ff\u3059\u308bApache log4j2\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f2.0\u301c2.14.1(\u4e21\u7aef\u542b\u3080)\u3067\u3001log4j 2.15.0\u306f\u3053\u306e\u8106\u5f31\u6027\u306b\u5bfe\u51e6\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/news.ycombinator.com\/item?id=29507263\">Hacker News<\/a>\u306e\u30b3\u30e1\u30f3\u30c8\u306b\u3088\u308b\u3068\u3001version 2.10.0\u79fb\u884c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u300cformatMsgNoLookups=true\u300d\u306b\u3059\u308b\u3053\u3068\u3067\u8106\u5f31\u6027\u3092\u7de9\u548c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3053\u308c\u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306f\u3001\u7de9\u548c\u7b56\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u9078\u629e\u80a2\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30ed\u30ae\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u5909\u66f4\u3057\u3066\u3001\u30ed\u30ae\u30f3\u30b0\u30b3\u30f3\u30d5\u30a3\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3067%m\u306e\u4ee3\u308f\u308a\u306b %m{nolookups}\u3068\u8a18\u8ff0\u3059\u308b\u3002\u8a73\u7d30\u306f<a href=\"https:\/\/issues.apache.org\/jira\/browse\/LOG4J2-2109\">https:\/\/issues.apache.org\/jira\/browse\/LOG4J2-2109<\/a>\u3002<\/li>\n<li>\u30af\u30e9\u30b9\u30ed\u30fc\u30c0\u3067\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4ee3\u308f\u308a\u306b\u7f6e\u304d\u63db\u3048\u305f\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b\u3002org.apache.logging.log4j.core.lookup.JndiLookup\u30af\u30e9\u30b9\u3092\u8106\u5f31\u3067\u306f\u306a\u3044\u3082\u306e\u3001\u3042\u308b\u3044\u306f\u7a7a\u306e\u5b9f\u88c5\u3067\u7f6e\u304d\u63db\u3048\u308b\u3002\u3053\u306e\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b9\u30bf\u30c3\u30af\u306e\u30af\u30e9\u30b9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3002<\/li>\n<\/ul>\n<p>\u30e1\u30b8\u30e3\u30fc\u306a\u30b5\u30fc\u30d3\u30b9\u30fb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u4eca\u5f8c\u8106\u5f31\u6027\u3078\u306e\u5bfe\u5fdc\u304c\u884c\u308f\u308c\u308b\u306f\u305a\u3067\u3059\u304c\u3001\u66f4\u65b0\u306e\u3068\u307e\u3063\u3066\u3044\u308bJava\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3068\u306a\u308a\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\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\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(ITmedia\u30019to5Mac)\u3002 \u8106\u5f31\u6027\u306f [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":93266,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[4443],"class_list":["post-93265","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-software","tag-log4j","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93265","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=93265"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/93265\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/93266"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=93265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=93265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=93265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}