{"id":52424,"date":"2024-12-03T13:42:04","date_gmt":"2024-12-03T05:42:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52424\/"},"modified":"2024-12-03T13:42:04","modified_gmt":"2024-12-03T05:42:04","slug":"%e5%b7%b2%e5%ad%98%e5%9c%a810%e5%a4%9a%e5%b9%b4-linux%e5%9c%88%e6%9b%9d%e5%87%ba%e7%81%be%e9%9a%be%e7%ba%a7%e6%bc%8f%e6%b4%9e-%e9%99%84%e7%bc%93%e8%a7%a3%e6%96%b9%e6%a1%88-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52424\/","title":{"rendered":"\u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848"},"content":{"rendered":"

<\/b> <\/p>\n

\u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

Linux \u5708\u66dd\u51fa\u4e25\u91cd\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\u6f0f\u6d1e\uff0c\u5df2\u5b58\u5728 10 \u591a\u5e74\uff0c\u51e0\u4e4e\u5f71\u54cd\u6240\u6709 GNU \/ Linux \u53d1\u884c\u7248\uff0c\u76ee\u524d\u5c1a\u672a\u6709\u4fee\u590d\u8865\u4e01\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u7f13\u89e3\u3002<\/strong><\/p>\n

\u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458 Simone Margaritelli \u4e8e 9 \u6708 23 \u65e5\u5728 X \u5e73\u53f0\u53d1\u5e03\u63a8\u6587\uff0c\u7387\u5148\u66dd\u6599\u4e86\u8fd9\u4e9b RCE \u6f0f\u6d1e\uff0c\u76ee\u524d\u5df2\u7ecf\u901a\u77e5\u76f8\u5173\u5f00\u53d1\u56e2\u961f\uff0c\u5e76\u4f1a\u5728\u672a\u6765\u4e24\u5468\u5185\u5b8c\u5168\u62ab\u9732\u3002<\/p>\n

\u6f0f\u6d1e\u7834\u574f\u529b<\/h3>\n

Margaritelli \u8868\u793a\u8fd9\u4e9b\u6f0f\u6d1e\u76ee\u524d\u6ca1\u6709\u5206\u914d CVE \u8ffd\u8e2a\u7f16\u53f7\uff0c\u4e0d\u8fc7\u81f3\u5c11\u4f1a\u6709 3 \u4e2a\uff0c\u7406\u60f3\u72b6\u6001\u4e0b\u4f1a\u8fbe\u5230 6 \u4e2a\u3002<\/p>\n

Canonical\uff08Ubuntu \u5f00\u53d1\u5546\uff09\u3001Red Hat \u4ee5\u53ca\u5176\u4ed6\u53d1\u884c\u7248\u7684\u5f00\u53d1\u56e2\u961f\u548c\u516c\u53f8\u5df2\u786e\u8ba4\u4e86\u8fd9\u4e9b RCE \u6f0f\u6d1e\u7684\u4e25\u91cd\u7a0b\u5ea6\uff0c\u9884\u4f30 CVSS \u8bc4\u5206\u8fbe\u5230 9.9\uff08\u6ee1\u5206 10 \u5206\uff0c\u5206\u6570\u8d8a\u9ad8\u4ee3\u8868\u8d8a\u5371\u9669\uff09\uff0c\u8fd9\u8868\u660e\u5982\u679c\u88ab\u5229\u7528\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u707e\u96be\u6027\u7684\u7834\u574f\u3002<\/p>\n

\"\u5df2\u5b58\u572810\u591a\u5e74!<\/p>\n

\u6f0f\u6d1e\u7ec6\u8282<\/h3>\n

\u8be5\u6f0f\u6d1e\u4e3b\u8981\u5b58\u5728\u4e8e Unix \u6253\u5370\u7cfb\u7edf CUPS \u4e2d\uff0c\u5982\u679c\u7528\u6237\u6b63\u8fd0\u884c CUPS\uff0c\u5e76\u542f\u7528\u4e86 cups-browsed\uff0c\u90a3\u4e48\u5c31\u5b58\u5728\u88ab\u653b\u51fb\u98ce\u9669\uff0c\u5bfc\u81f4\u7528\u6237\u8bbe\u5907\u88ab\u8fdc\u7a0b\u52ab\u6301\u3002<\/p>\n

\u4e0d\u8fc7 CUPS \u5f00\u53d1\u56e2\u961f\u5728\u5982\u4f55\u5904\u7406\u8be5\u6f0f\u6d1e\u65b9\u9762\u5b58\u5728\u5206\u6b67\uff0c\u90e8\u5206\u6210\u5458\u5728\u4e89\u8bba\u8be5\u6f0f\u6d1e\u5bf9\u5b9e\u9645\u8fd0\u884c\u7684\u5b89\u5168\u5f71\u54cd\uff0cMargaritelli \u5bf9\u6b64\u8868\u793a\u6cae\u4e27\u3002<\/p>\n

\"\u5df2\u5b58\u572810\u591a\u5e74!<\/p>\n

\"\u5df2\u5b58\u572810\u591a\u5e74!<\/p>\n

\"\u5df2\u5b58\u572810\u591a\u5e74!<\/p>\n

\u7814\u7a76\u4eba\u5458\u6307\u51fa\uff0c\u5c3d\u7ba1\u63d0\u4f9b\u4e86\u591a\u4e2a\u6982\u5ff5\u9a8c\u8bc1 (PoC)\uff0c\u7cfb\u7edf\u5730\u63a8\u7ffb\u4e86\u5f00\u53d1\u4eba\u5458\u7684\u5047\u8bbe\uff0c\u4f46\u8fdb\u5c55\u4ecd\u7136\u7f13\u6162\u3002<\/p>\n

\u7f13\u89e3\u65b9\u6848<\/h3>\n

\u6211\u4eec\u63f4\u5f15 Margaritelli \u6d88\u606f\uff0c\u76ee\u524d\u6ca1\u6709\u4fee\u590d\u8865\u4e01\uff0c\u7528\u6237\u53ef\u4ee5\u5c1d\u8bd5\u4ee5\u4e0b\u7f13\u89e3\u65b9\u6848\uff1a<\/p>\n

    \n
  • \u7981\u7528\u6216\u8005\u79fb\u9664 cups-browsed \u670d\u52a1<\/li>\n
  • \u66f4\u65b0 CUPS \u5b89\u88c5\uff0c\u4ee5\u4fbf\u5728\u5b89\u5168\u66f4\u65b0\u53ef\u7528\u65f6\u5f15\u5165\u5b89\u5168\u66f4\u65b0\u3002<\/li>\n
  • \u963b\u6b62\u5bf9 UDP \u7aef\u53e3 631 \u7684\u8bbf\u95ee\uff0c\u5e76\u8003\u8651\u5173\u95ed DNS-SD\u3002<\/li>\n
  • \u5982\u679c 631 \u7aef\u53e3\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u901a\u8fc7\u6b3a\u9a97 zeroconf\u3001mDNS \u6216 DNS-SD \u5e7f\u544a\u6765\u5b9e\u73b0\u653b\u51fb\u3002<\/li>\n<\/ul>\n

    \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,\u6f0f\u6d1e,\u7f13\u89e3\u65b9\u6848\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848 \u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5df2\u5b58\u572810\u591a\u5e74! Linux\u5708\u66dd\u51fa\u707e\u96be\u7ea7\u6f0f\u6d1e \u9644\u7f13\u89e3\u65b9\u6848\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01 Linux \u5708\u66dd\u51fa\u4e25\u91cd\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\u6f0f\u6d1e\uff0c\u5df2\u5b58\u5728 10 \u591a\u5e74\uff0c\u51e0\u4e4e\u5f71\u54cd\u6240\u6709 GNU \/ Linux \u53d1\u884c\u7248\uff0c\u76ee\u524d\u5c1a\u672a\u6709\u4fee\u590d\u8865\u4e01\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u7f13\u89e3\u3002 \u8f6f\u4ef6\u5f00\u53d1\u4eba\u5458 Simone Margaritelli \u4e8e 9 \u6708 23 \u65e5\u5728 X \u5e73\u53f0\u53d1\u5e03\u63a8\u6587\uff0c\u7387\u5148\u66dd\u6599\u4e86\u8fd9\u4e9b RCE \u6f0f\u6d1e\uff0c\u76ee\u524d\u5df2\u7ecf\u901a\u77e5\u76f8\u5173\u5f00\u53d1\u56e2\u961f\uff0c\u5e76\u4f1a\u5728\u672a\u6765\u4e24\u5468\u5185\u5b8c\u5168\u62ab\u9732\u3002 \u6f0f\u6d1e\u7834\u574f\u529b Margaritelli \u8868\u793a\u8fd9\u4e9b\u6f0f\u6d1e\u76ee\u524d\u6ca1\u6709\u5206\u914d CVE \u8ffd\u8e2a\u7f16\u53f7\uff0c\u4e0d\u8fc7\u81f3\u5c11\u4f1a\u6709 3 \u4e2a\uff0c\u7406\u60f3\u72b6\u6001\u4e0b\u4f1a\u8fbe\u5230 6 \u4e2a\u3002 Canonical\uff08Ubuntu \u5f00\u53d1\u5546\uff09\u3001Red Hat \u4ee5\u53ca\u5176\u4ed6\u53d1\u884c\u7248\u7684\u5f00\u53d1\u56e2\u961f\u548c\u516c\u53f8\u5df2\u786e\u8ba4\u4e86\u8fd9\u4e9b RCE \u6f0f\u6d1e\u7684\u4e25\u91cd\u7a0b\u5ea6\uff0c\u9884\u4f30 CVSS \u8bc4\u5206\u8fbe\u5230 9.9\uff08\u6ee1\u5206 10 \u5206\uff0c\u5206\u6570\u8d8a\u9ad8\u4ee3\u8868\u8d8a\u5371\u9669\uff09\uff0c\u8fd9\u8868\u660e\u5982\u679c\u88ab\u5229\u7528\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u707e\u96be\u6027\u7684\u7834\u574f\u3002 \u6f0f\u6d1e\u7ec6\u8282 \u8be5\u6f0f\u6d1e\u4e3b\u8981\u5b58\u5728\u4e8e Unix \u6253\u5370\u7cfb\u7edf CUPS \u4e2d\uff0c\u5982\u679c\u7528\u6237\u6b63\u8fd0\u884c CUPS\uff0c\u5e76\u542f\u7528\u4e86 cups-browsed\uff0c\u90a3\u4e48\u5c31\u5b58\u5728\u88ab\u653b\u51fb\u98ce\u9669\uff0c\u5bfc\u81f4\u7528\u6237\u8bbe\u5907\u88ab\u8fdc\u7a0b\u52ab\u6301\u3002 \u4e0d\u8fc7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-52424","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=52424"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52424\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}