{"id":89853,"date":"2021-08-12T20:39:42","date_gmt":"2021-08-12T11:39:42","guid":{"rendered":"https:\/\/softantenna.com\/wp\/?p=89853"},"modified":"2021-08-12T20:39:42","modified_gmt":"2021-08-12T11:39:42","slug":"microsoft-confirms-yet-another-new-windows-print-spooler-bug","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/microsoft-confirms-yet-another-new-windows-print-spooler-bug\/","title":{"rendered":"\u3010PrintNightmare\u3011Microsoft\u3001Windows\u5370\u5237\u30b9\u30d7\u30fc\u30e9\u30fc\u306e\u65b0\u305f\u306a\u30d0\u30b0\u3092\u8a8d\u3081\u308b"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2021\/08\/pexels-david-gomes-3054218.jpeg\" alt=\"Pexels david gomes 3054218\" title=\"pexels-david-gomes-3054218.jpeg\" border=\"0\" width=\"1280\" height=\"853\" \/><\/p>\n<p>Microsoft\u306f8\u670811\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows\u5370\u5237\u30b9\u30d7\u30fc\u30e9\u30fc\u30b5\u30fc\u30d3\u30b9\u306b\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u6b20\u9665\u300c<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-36958\">CVE-2021-36958<\/a>\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u8a8d\u3081\u307e\u3057\u305f(<a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/microsoft-confirms-another-windows-print-spooler-zero-day-bug\/\">BleepingComputer<\/a>\u3001<a href=\"https:\/\/www.neowin.net\/news\/microsoft-confirms-theres-yet-another-new-windows-print-spooler-security-bug\/\">Neowin<\/a>)\u3002<\/p>\n<p>\u8106\u5f31\u6027\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.<\/p>\n<p>Window\u5370\u5237\u30b9\u30d7\u30fc\u30e9\u30fc\u30b5\u30fc\u30d3\u30b9\u304c\u7279\u6a29\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3092\u4e0d\u9069\u5207\u306b\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u3002\u3053\u306e\u8106\u5f31\u6027\u3092\u5229\u7528\u3057\u305f\u653b\u6483\u8005\u306f\u3001SYSTEM\u6a29\u9650\u3067\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u653b\u6483\u8005\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u308a\u3001\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3001\u5909\u66f4\u3001\u307e\u305f\u306f\u524a\u9664\u3057\u305f\u308a\u3001\u5b8c\u5168\u306a\u30e6\u30fc\u30b6\u30fc\u6a29\u9650\u3092\u6301\u3064\u65b0\u3057\u3044\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\n<\/p><\/blockquote>\n<p>\u3053\u306e\u554f\u984c\u306f8\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u3057\u3066\u30d1\u30c3\u30c1\u304c\u63d0\u4f9b\u3055\u308c\u305fPrintNightmare\u8106\u5f31\u6027\u306b\u95a2\u9023\u3057\u305f\u3082\u306e\u3067\u3059\u3002Microsoft\u306f\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u30dd\u30a4\u30f3\u30c8\u30a2\u30f3\u30c9\u30d7\u30ea\u30f3\u30c8\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304a\u3088\u3073\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u7ba1\u7406\u8005\u3060\u3051\u304c\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u5236\u9650\u3057\u3001\u554f\u984c\u3092\u7de9\u548c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u8003\u3048\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u30d7\u30ea\u30f3\u30bf\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u3059\u3067\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u7ba1\u7406\u8005\u4ee5\u5916\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u8106\u5f31\u6027\u3092\u60aa\u7528\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u8106\u5f31\u6027\u306f\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c(RCE)\u3068\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001CERT\u306eWill Dormann\u6c0f\u306fBleeping Computer\u306b\u5bfe\u3057\u3001\u300c\u3053\u308c\u306f\u660e\u3089\u304b\u306b\u30ed\u30fc\u30ab\u30eb(LPE)\u300d\u3001\u3064\u307e\u308a\u30ed\u30fc\u30ab\u30eb\u306a\u7279\u6a29\u6607\u683c\u3067\u3042\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u540c\u793e\u306f\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4f5c\u6210\u306b\u53d6\u308a\u7d44\u3093\u3067\u304a\u308a\u3001\u4e00\u6642\u7684\u306a\u56de\u907f\u7b56\u3068\u3057\u3066\u5370\u5237\u30b9\u30d7\u30fc\u30e9\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u306b\u3059\u308b\u3088\u3046\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u306eBenjamin Delpy\u6c0f\u306f\u3001\u5370\u5237\u30b5\u30fc\u30d3\u30b9\u3092\u5b8c\u5168\u306b\u7121\u52b9\u5316\u3059\u308b\u3088\u308a\u3082\u826f\u3044\u65b9\u6cd5\u304c\u3042\u308b\u3068\u3057\u3001Windows\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u306e\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30dd\u30a4\u30f3\u30c8\u30a2\u30f3\u30c9\u30d7\u30ea\u30f3\u30c8 - \u627f\u8a8d\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u5370\u5237\u6a5f\u80fd\u3092\u627f\u8a8d\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u307f\u306b\u5236\u9650\u3059\u308b\u3088\u3046\u30a2\u30c9\u30d0\u30a4\u30b9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"en\" dir=\"ltr\">You can prevent this behavior by settings some parameters\/GPO:<\/p>\n<p>&#39;Package Point and print - Approved servers&#39;<br \/>&gt; <a href=\"https:\/\/t.co\/HiYRmGqIDw\">https:\/\/t.co\/HiYRmGqIDw<\/a><br \/>&gt; <a href=\"https:\/\/t.co\/h1m9Lyyzhh\">https:\/\/t.co\/h1m9Lyyzhh<\/a><\/p>\n<p>Of course, disable outbound access to CIFS\/SMB\/RPC... <a href=\"https:\/\/t.co\/gypFJSPViv\">pic.twitter.com\/gypFJSPViv<\/a><\/p>\n<p>&mdash; &#x1f95d; Benjamin Delpy (@gentilkiwi) <a href=\"https:\/\/twitter.com\/gentilkiwi\/status\/1416429891592011781?ref_src=twsrc%5Etfw\">July 17, 2021<\/a><\/p><\/blockquote>\n<p> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u627f\u8a8d\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u3092\u30dd\u30ea\u30b7\u30fc\u306b\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u30a8\u30c7\u30a3\u30bf\u30fc\u3092\u8d77\u52d5\u3057(gpedit.msc\u3092\u5b9f\u884c\uff09\u3002\u300c\u30e6\u30fc\u30b6\u30fc\u69cb\u6210 > \u7ba1\u7406\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8 > \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb > \u30d7\u30ea\u30f3\u30bf\u30fc > \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30dd\u30a4\u30f3\u30c8\u30a2\u30f3\u30c9\u30d7\u30ea\u30f3\u30c8 > \u627f\u8a8d\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u300d\u3067\u300c\u7de8\u96c6\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u306a\u304a\u3001\u3053\u306e\u65b9\u6cd5\u306f\u3001Microsoft\u306e\u516c\u5f0f\u306a\u7de9\u548c\u7b56\u3067\u306f\u306a\u3044\u305f\u3081\u81ea\u5df1\u8cac\u4efb\u3067\u5b9f\u65bd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f8\u670811\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows\u5370\u5237\u30b9\u30d7\u30fc\u30e9\u30fc\u30b5\u30fc\u30d3\u30b9\u306b\u65b0\u305f\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u6b20\u9665\u300cCVE-2021-36958\u300d\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u8a8d\u3081\u307e\u3057\u305f(BleepingComputer\u3001Neowin)\u3002  [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":89854,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[87,3298],"class_list":["post-89853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-microsoft","tag-windows"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/89853","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=89853"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/89853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/89854"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=89853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=89853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=89853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}