{"id":120840,"date":"2024-04-17T10:13:27","date_gmt":"2024-04-17T01:13:27","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=120840"},"modified":"2024-04-17T10:13:27","modified_gmt":"2024-04-17T01:13:27","slug":"putty-vulnerability","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/putty-vulnerability\/","title":{"rendered":"\u3010\u8981\u6ce8\u610f\u3011Windows\u7528\u306eSSH\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u300cPuTTY\u300d\u306b\u6df1\u523b\u306a\u8106\u5f31\u6027\u3002\u6700\u65b0\u7248\u3078\u65e9\u6025\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2024\/04\/s_20240417_095752.jpg\" alt=\"S 20240417 095752\" title=\"s_20240417_095752.jpg\" border=\"0\" width=\"1038\" height=\"648\" \/><\/p>\n<p>Windows\u7528\u306eSSH\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u300cPuTTY\u300d\u306b\u79d8\u5bc6\u9375\u3092\u5fa9\u5143\u3067\u304d\u3066\u3057\u307e\u3046\u6df1\u523b\u306a\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">We found a critical vulnerability in <a href=\"https:\/\/twitter.com\/hashtag\/PuTTY?src=hash&amp;ref_src=twsrc%5Etfw\">#PuTTY<\/a> SSH client with NIST P-521 keys, that allows private key recovery from only 60 signatures, CVE-2024-31497! If you use <a href=\"https:\/\/twitter.com\/hashtag\/Putty?src=hash&amp;ref_src=twsrc%5Etfw\">#Putty<\/a> or <a href=\"https:\/\/twitter.com\/hashtag\/Filezilla?src=hash&amp;ref_src=twsrc%5Etfw\">#Filezilla<\/a> with ECDSA P-521, upgrade now and generate a new key! Joint work with <a href=\"https:\/\/twitter.com\/TrueSkrillor?ref_src=twsrc%5Etfw\">@TrueSkrillor<\/a>, details \u2b07\ufe0f<\/p>\n<p>&mdash; Marcus Brinkmann (@lambdafu) <a href=\"https:\/\/twitter.com\/lambdafu\/status\/1779969509522133272?ref_src=twsrc%5Etfw\">April 15, 2024<\/a><\/p><\/blockquote>\n<p> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u8106\u5f31\u6027\u306fCVE-2024-31497\u3067\u8ffd\u8de1\u3055\u308c\u3066\u304a\u308a\u30eb\u30fc\u30eb\u5927\u5b66\u30dc\u30fc\u30d5\u30e0\u306eFabian B\u00e4umer\u6c0f\u3068Marcus Brinkmann\u6c0f\u306b\u3088\u3063\u3066\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u516c\u958b\u3055\u308c\u3066\u3044\u308b60\u500b\u306e\u6697\u53f7\u7f72\u540d\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u79d8\u5bc6\u9375\u3092\u5fa9\u5143\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3001PuTTY\u304cSSH\u8a8d\u8a3c\u306b\u4f7f\u7528\u3057\u3066\u3044\u308bNIST P-521\u7528\u306eECDSA nonces\uff08\u4e00\u6642\u7684\u306a\u6697\u53f7\u756a\u53f7)\u3092\u751f\u6210\u3059\u308b\u65b9\u6cd5\u304c\u539f\u56e0\u3060\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306f\u300cPuTTY 0.68\u300d\u304b\u3089\u300cPuTTY 0.80\u300d\u307e\u3067\u306b\u5b58\u5728\u3057\u30014\u670815\u65e5\u306b\u516c\u958b\u3055\u308c\u305f\u300cPuTTY 0.81\u300d\u3067\u4fee\u6b63\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u8106\u5f31\u6027\u306e\u5b58\u5728\u3059\u308bPuTTY\u3092\u4f7f\u7528\u3059\u308b\u4ee5\u4e0b\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3082\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n<ul>\n<li>FileZilla 3.24.1-3.66.5(3.67.0\u3067\u4fee\u6b63)<\/li>\n<li>WinSCP 5.9.5-6.3.2(6.3.3\u3067\u4fee\u6b63)<\/li>\n<li>TortoiseGit 2.4.0.2-2.15.0(2.15.0.1\u3067\u4fee\u6b63)<\/li>\n<li>TortoiseSVN 1.10.0-1.14.6(\u6700\u65b0\u306ePuTTY 0.81\u306ePlink\u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306bTortoiseSVN\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u7de9\u548c\u3067\u304d\u308b)<\/li>\n<\/ul>\n<p>PuTTY\u3084\u95a2\u9023\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u65e9\u6025\u306b\u5bfe\u7b56\u7248\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>PuTTY\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u30c4\u30fc\u30eb\u306f\u4ed6\u306b\u3082\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u305d\u306e\u5834\u5408\u306f\u81ea\u5206\u3067\u30c4\u30fc\u30eb\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u6700\u65b0\u7248\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<table>\n<tr>\n<th rowspan='4' style='white-space: nowrap;'><img decoding=\"async\" style=\"max-width: 52px; height: auto;\" src=\"https:\/\/softantenna.com\/uploads\/software\/667\/s_icon.png\" \/><\/th>\n<th style='white-space: nowrap;'>\u30bf\u30a4\u30c8\u30eb<\/th>\n<td>PuTTY<\/td>\n<\/tr>\n<tr>\n<th style='white-space: nowrap;'>\u516c\u5f0f\u30b5\u30a4\u30c8<\/th>\n<td><a href=\"https:\/\/www.chiark.greenend.org.uk\/~sgtatham\/putty\/\">https:\/\/www.chiark.greenend.org.uk\/~sgtatham\/putty\/<\/a><\/td>\n<\/tr>\n<tr>\n<th style='white-space: nowrap;'>\u30bd\u30d5\u30c8\u30a2\u30f3\u30c6\u30ca<\/th>\n<td><a href=\"https:\/\/softantenna.com\/softwares\/667-putty\">https:\/\/softantenna.com\/softwares\/667-putty<\/a><\/td>\n<\/tr>\n<tr>\n<th style='white-space: nowrap;'>\u8aac\u660e<\/th>\n<td>\u5b9a\u756assh\/telnet\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3002<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Windows\u7528\u306eSSH\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u300cPuTTY\u300d\u306b\u79d8\u5bc6\u9375\u3092\u5fa9\u5143\u3067\u304d\u3066\u3057\u307e\u3046\u6df1\u523b\u306a\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002 We found a critical vulnerability in #PuTTY SSH cl [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":120841,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[1338],"class_list":["post-120840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-putty"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/120840","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=120840"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/120840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/120841"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=120840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=120840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=120840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}