{"id":136507,"date":"2026-11-06T07:59:56","date_gmt":"2026-11-05T22:59:56","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=136507"},"modified":"2026-11-06T07:59:56","modified_gmt":"2026-11-05T22:59:56","slug":"openssh-emergency-patch-password-authentication-bypass","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/openssh-emergency-patch-password-authentication-bypass\/","title":{"rendered":"OpenSSH\u7dca\u6025\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u516c\u958b\u3000256\u6587\u5b57\u8d85\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u8a8d\u8a3c\u56de\u907f\u306e\u6050\u308c"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2016\/08\/hacker.jpg\" alt=\"Hacker\" title=\"hacker.jpg\" border=\"0\" width=\"960\" height=\"720\" \/><\/p>\n<p>Alpine Linux\u3092\u542b\u3080musl libc\u30d9\u30fc\u30b9\u306eLinux\u74b0\u5883\u3067\u3001OpenSSH\u3068musl libc\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u8d77\u56e0\u3059\u308b\u6df1\u523b\u306a\u8a8d\u8a3c\u56de\u907f\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u5f71\u97ff\u3092\u53d7\u3051\u308b\u74b0\u5883\u3067\u306f\u3001\u672c\u6765\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u306a\u3044\u306f\u305a\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u3001257\u6587\u5b57\u4ee5\u4e0a\u306e\u4efb\u610f\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067SSH\u30ed\u30b0\u30a4\u30f3\u306b\u6210\u529f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u554f\u984c\u306f\u5358\u72ec\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6b20\u9665\u3067\u306f\u306a\u304f\u3001OpenSSH\u306e\u8a8d\u8a3c\u51e6\u7406\u3068musl libc\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u51e6\u7406\u304c\u4e88\u671f\u305b\u306c\u5f62\u3067\u7d44\u307f\u5408\u308f\u3055\u3063\u305f\u3053\u3068\u3067\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u306b\u3088\u3063\u3066\u5831\u544a\u3055\u308c\u3001OpenSSH\u306f\u7dca\u6025\u4fee\u6b63\u7248\u3068\u306a\u308b\u300c<a href=\"https:\/\/www.openssh.org\/txt\/release-10.6p2\">10.6p2<\/a>\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>256\u6587\u5b57\u8d85\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u8a8d\u8a3c\u56de\u907f<\/h2>\n<p>\u8106\u5f31\u6027\u304c\u6210\u7acb\u3059\u308b\u74b0\u5883\u3067\u306f\u3001\u653b\u6483\u8005\u306f\u6b63\u3057\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u77e5\u3089\u306a\u304f\u3066\u3082SSH\u7d4c\u7531\u3067\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u653b\u6483\u306b\u5fc5\u8981\u306a\u306e\u306f\u3001\u5bfe\u8c61\u30b5\u30fc\u30d0\u30fc\u3078\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u3068\u3001\u30ed\u30b0\u30a4\u30f3\u5bfe\u8c61\u3068\u306a\u308b\u30a2\u30ab\u30a6\u30f3\u30c8\u540d\u3092\u77e5\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001257\uff5e1024\u6587\u5b57\u7a0b\u5ea6\u306e\u9577\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u9001\u4fe1\u3059\u308b\u3060\u3051\u3067\u8a8d\u8a3c\u3092\u7a81\u7834\u3067\u304d\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/alpinelinux.org\/posts\/2026-11-05-openssh-password-authentication-bypass\/\">Alpine Linux\u516c\u5f0f\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u653b\u6483\u306f\u4e00\u5ea6\u306e\u63a5\u7d9a\u3067\u6210\u529f\u3057\u3001\u7dcf\u5f53\u305f\u308a\u653b\u6483\u306e\u3088\u3046\u306a\u7e70\u308a\u8fd4\u3057\u8a66\u884c\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3068\u306e\u3053\u3068\u3002<\/p>\n<p>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306fAlpine Linux\u306e\u307b\u304b\u3001Buildroot\u3001Yocto\u3001Void Linux\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u7279\u306bAlpine Linux\u306fDocker\u30b3\u30f3\u30c6\u30ca\u3084Kubernetes\u74b0\u5883\u3001\u30af\u30e9\u30a6\u30c9VM\u3001\u7d44\u307f\u8fbc\u307f\u6a5f\u5668\u306a\u3069\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5f71\u97ff\u7bc4\u56f2\u306f\u975e\u5e38\u306b\u5927\u304d\u3044\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001Alpine Linux\u3092\u4f7f\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u76f4\u3061\u306b\u5371\u967a\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30ca\u5185\u3067SSH\u30b5\u30fc\u30d0\u30fc\u3092\u52d5\u4f5c\u3055\u305b\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3002<\/p>\n<h2>\u8106\u5f31\u6027\u304c\u6210\u7acb\u3059\u308b\u6761\u4ef6<\/h2>\n<p>\u653b\u6483\u304c\u6210\u7acb\u3059\u308b\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u6761\u4ef6\u304c\u91cd\u306a\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u306e\u306f\u3001musl libc\u74b0\u5883\u3067OpenSSH\u304cPAM\u3092\u5229\u7528\u305b\u305a\u52d5\u4f5c\u3057\u3066\u304a\u308a\u3001\u3055\u3089\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3067\u3059\u3002\u307e\u305f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u672a\u8a2d\u5b9a\u3092\u793a\u3059\u300c*\u300d\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u30a2\u30ab\u30a6\u30f3\u30c8\u3068\u3001SHA-256\u307e\u305f\u306fSHA-512\u5f62\u5f0f\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u30cf\u30c3\u30b7\u30e5\u3092\u6301\u3064\u5225\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u4e00\u30b7\u30b9\u30c6\u30e0\u5185\u306b\u5b58\u5728\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u6761\u4ef6\u304c\u63c3\u3046\u3068\u3001\u9577\u3044\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u3088\u3063\u3066\u8a8d\u8a3c\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u623b\u308a\u5024\u304c\u3001\u672c\u6765\u30ed\u30b0\u30a4\u30f3\u4e0d\u53ef\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u300c*\u300d\u3068\u4e00\u81f4\u3057\u3066\u3057\u307e\u3044\u3001\u8a8d\u8a3c\u6210\u529f\u3068\u8aa4\u5224\u5b9a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u4eca\u3059\u3050\u5b9f\u65bd\u3057\u305f\u3044\u5bfe\u7b56<\/h2>\n<p>OpenSSH\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304a\u3088\u3073Alpine Linux\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3092\u6700\u512a\u5148\u3067\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002OpenSSH 10.6p2\u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u5f8c\u306f\u3001SSH\u30c7\u30fc\u30e2\u30f3\u306e\u518d\u8d77\u52d5\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u3059\u3050\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u304d\u306a\u3044\u5834\u5408\u306e\u66ab\u5b9a\u5bfe\u7b56\u3068\u3057\u3066\u306f\u3001SSH\u8a2d\u5b9a\u3067\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u3092\u7121\u52b9\u5316(\/etc\/ssh\/sshd_config\u3067PasswordAuthentication no)\u3057\u3001sshd\u3092\u518d\u8d77\u52d5\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306e\u8106\u5f31\u6027\u306f\u3001OpenSSH\u3068musl libc\u306e\u7279\u6b8a\u306a\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u305f\u8a8d\u8a3c\u56de\u907f\u554f\u984c\u3067\u3059\u3002\u7279\u306bAlpine Linux\u3067\u306f\u521d\u671f\u8a2d\u5b9a\u3068\u306e\u76f8\u6027\u304b\u3089\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u3001SSH\u3092\u516c\u958b\u3057\u3066\u3044\u308b\u74b0\u5883\u3067\u306f\u65e9\u6025\u306a\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u8a72\u5f53\u3059\u308b\u74b0\u5883\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u307e\u305a\u30d0\u30fc\u30b8\u30e7\u30f3\u78ba\u8a8d\u3092\u884c\u3044\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u306e\u7121\u52b9\u5316\u3092\u901f\u3084\u304b\u306b\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>[via <a href=\"https:\/\/www.tomshardware.com\/tech-industry\/cyber-security\/combined-flaws-let-anyone-into-alpine-linux-and-other-distros-by-typing-anything-over-256-characters-as-a-password-emergency-fixes-for-openssh-and-musl-libc-issued-for-millions-of-systems-patch-immediately\">Tom's Hardware<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alpine Linux\u3092\u542b\u3080musl libc\u30d9\u30fc\u30b9\u306eLinux\u74b0\u5883\u3067\u3001OpenSSH\u3068musl libc\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u8d77\u56e0\u3059\u308b\u6df1\u523b\u306a\u8a8d\u8a3c\u56de\u907f\u306e\u8106\u5f31\u6027\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u5f71\u97ff\u3092\u53d7\u3051\u308b\u74b0\u5883\u3067\u306f\u3001\u672c\u6765\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u306a\u3044\u306f\u305a\u306e\u30a2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":41389,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[1],"tags":[3398],"class_list":["post-136507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unknown","tag-openssh"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/136507","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=136507"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/136507\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/41389"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=136507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=136507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=136507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}