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\u30102022 \u5e742\u6708 7 \u65e5\uff0c\u53f0\u5317\u8a0a\u3011\u5168\u7403\u96f2\u7aef\u8cc7\u5b89\u89e3\u6c7a\u65b9\u6848\u9818\u5c0e\u5ee0\u5546\u8da8\u52e2\u79d1\u6280<\/a> (\u6771\u4eac\u8b49\u5238\u4ea4\u6613\u6240\u80a1\u7968\u4ee3\u78bc\uff1a4704<\/a>) \u518d\u5ea6\u5c55\u73fe\u5176\u81f4\u529b\u63d0\u5347\u6578\u4f4d\u4e16\u754c\u5b89\u5168\u7684\u627f\u8afe\uff0c\u5e74\u7bc0\u671f\u9593\u516c\u958b\u8aaa\u660e\u5176\u65d7\u4e0b Zero Day Initiative (ZDI)\u8a3b\u4e00<\/sup>\u6f0f\u6d1e\u61f8\u8cde\u8a08\u756b\u5728\u767c\u73fe\u4e26\u63ed\u9732 Samba \u6a94\u6848\u5206\u4eab\u5354\u5b9a\u91cd\u5927\u6f0f\u6d1e\u7684\u904e\u7a0b\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\uff0c\u547c\u7c72\u4f01\u696d\u4fee\u88dc\u76f8\u95dc\u6f0f\u6d1e\u70ba\u958b\u5de5\u65e5\u9996\u8981\u4efb\u52d9\u3002<\/p>\n\n\n\n

\u66f4\u591a\u6709\u95dc\u00a0Samba\u00a0\u6f0f\u6d1e\u53ca\u5982\u4f55\u964d\u4f4e\u5176\u885d\u64ca\u7684\u8cc7\u8a0a\uff0c\u8acb\u53c3\u95b1\u6211\u5011\u7684\u90e8\u843d\u683c\u6587\u7ae0<\/a>\u53ca<\/strong>\u6280\u8853\u6587\u4ef6<\/strong><\/a>\u3002<\/strong><\/p>\n\n\n\n

\u8da8\u52e2\u79d1\u6280<\/a>\u5a01\u8105\u60c5\u5831\u526f\u7e3d\u88c1 Jon Clay \u8868\u793a\uff1a\u300c\u524d\u4e0d\u4e45\u624d\u767c\u751f Log4j \u6f0f\u6d1e\uff0c\u73fe\u5728\u53c8\u51fa\u73fe\u4e00\u500b\u65b0\u7684\u6f0f\u6d1e\uff0c\u7a81\u986f\u51fa\u5168\u7403\u8cc7\u5b89\u5718\u968a\u5728\u9632\u7bc4\u5404\u5f0f\u5404\u6a23\u61c9\u7528\u7a0b\u5f0f\u8207\u958b\u653e\u539f\u59cb\u78bc\u8edf\u9ad4\u8cc7\u5b89\u98a8\u96aa\u65b9\u9762\u5145\u6eff\u6311\u6230\u3002\u800c\u8da8\u52e2\u79d1\u6280\u5728\u8209\u8fa6 Pwn2Own \u99ed\u5ba2\u5927\u8cfd\u671f\u9593\u767c\u73fe\u4e86\u9019\u500b\u65b0\u7684\u6f0f\u6d1e\uff0c\u85c9\u6b64\u6a5f\u6703\u548c\u958b\u767c\u4eba\u54e1\u5408\u4f5c\u4f86\u8ca0\u8cac\u4fee\u6b63\u4e26\u63ed\u9732\u9019\u500b\u6f0f\u6d1e\u3002\u6240\u5e78\u81f3\u76ee\u524d\u70ba\u6b62\uff0c\u6211\u5011\u5c1a\u672a\u807d\u5230\u4efb\u4f55\u5be6\u969b\u7684\u653b\u64ca\u6848\u4f8b\u3002\u300d<\/p>\n\n\n\n\n\n\n\n

\u8da8\u52e2\u79d1\u6280<\/a>Pwn2Own \u99ed\u5ba2\u5927\u8cfd\u662f\u4e00\u9805\u6bcf\u5e74\u56fa\u5b9a\u5728\u4e16\u754c\u5404\u5730\u8f2a\u6d41\u8209\u8fa6\u7684\u6d3b\u52d5\uff0c\u7af6\u8cfd\u9805\u76ee\u8003\u9a57\u53c3\u8cfd\u8005\u767c\u6398\u5e38\u7528\u8edf\u9ad4\u8207\u7cfb\u7d71\u6700\u65b0\u6f0f\u6d1e\u53ca\u653b\u64ca\u624b\u6cd5\u7684\u80fd\u529b\u3002\u9019\u662f\u8da8\u52e2\u79d1\u6280 ZDI \u6f0f\u6d1e\u61f8\u8cde\u8a08\u756b\u8207\u5168\u7403\u5a01\u8105\u60c5\u5831\u5718\u968a\u6578\u5343\u540d\u7814\u7a76\u4eba\u54e1\u70ba\u63d0\u5347\u5ba2\u6236\u53ca\u5168\u9ad4\u7dda\u4e0a\u793e\u7fa4\u7db2\u8def\u8cc7\u5b89\u6240\u505a\u7684\u52aa\u529b\u4e4b\u4e00\u3002<\/p>\n\n\n\n

\u96a8\u8457\u4f01\u696d\u6a5f\u69cb\u6301\u7e8c\u9081\u5411\u6578\u4f4d\u8f49\u578b\uff0c\u56e0\u800c\u64f4\u5927\u4e86\u81ea\u8eab\u7684\u53d7\u653b\u64ca\u9762\uff0c\u4e26\u66f4\u52a0\u4ef0\u8cf4\u8edf\u9ad4\u4f86\u904b\u4f5c (\u5c24\u5176\u662f\u958b\u653e\u539f\u59cb\u78bc\u8edf\u9ad4)\uff0c\u524d\u8ff0\u7684\u52aa\u529b\u986f\u5f97\u66f4\u52a0\u91cd\u8981\u3002<\/p>\n\n\n\n

\u9019\u500b\u6700\u65b0\u767c\u73fe\u7684\u6f0f\u6d1e (CVE-2021-44142<\/a>) \u5728 CVSS \u7684\u6f0f\u6d1e\u56b4\u91cd\u6027\u8a55\u5206\u70ba 9.9 \u5206\uff0c\u986f\u793a\u5b83\u5c0d\u4f01\u696d\u53ef\u80fd\u5e36\u4f86\u7684\u56b4\u91cd\u885d\u64ca\u3002\u9019\u662f\u4e00\u500b Heap \u8a18\u61b6\u9ad4\u8b80\u5beb\u8d85\u51fa\u908a\u754c\u7684\u6f0f\u6d1e\uff0c\u99ed\u5ba2\u4e00\u65e6\u653b\u64ca\u6210\u529f\u5c31\u80fd\u5f9e\u9060\u7aef\u4ee5\u7cfb\u7d71\u7ba1\u7406\u54e1 (root) \u8eab\u5206\u57f7\u884c\u4efb\u610f\u7a0b\u5f0f\u78bc\u3002<\/p>\n\n\n\n

\u96d6\u7136\u76ee\u524d\u7db2\u8def\u4e0a\u9084\u672a\u770b\u5230\u6b64\u6f0f\u6d1e\u7684\u5be6\u969b\u653b\u64ca\u6848\u4f8b\uff0c\u4f46\u4f01\u696d\u5fc5\u9808\u5728\u99ed\u5ba2\u958b\u767c\u51fa\u653b\u64ca\u7a0b\u5f0f\u78bc\u4e4b\u524d\u76e1\u901f\u5b8c\u6210\u4fee\u88dc\uff0c\u800c\u9019\u6bb5\u6642\u9593\u5df2\u7d93\u8d8a\u4f86\u8d8a\u77ed\u3002<\/p>\n\n\n\n

\u70ba\u6b64\uff0c\u8da8\u52e2\u79d1\u6280<\/a>\u547c\u7c72\u6240\u6709\u4f01\u696d\u6a5f\u69cb\u7686\u61c9\u7acb\u5373\u4fee\u88dc CVE-2021-44142 \u6f0f\u6d1e\u6216\u5347\u7d1a\u81f3\u6700\u65b0\u7684 Samba \u7248\u672c\uff0c\u53c3\u8003\u8da8\u52e2\u79d1\u6280\u6280\u8853\u6587\u4ef6<\/a>\u4e0a\u6240\u63d0\u4f9b\u7684script\u6aa2\u67e5Linux\/unix\u662f\u5426\u6709\u5305\u542bSamba\u6f0f\u6d1e\uff0c\u53e6\u5916\u4e5f\u53ef\u4ee5\u900f\u904eTrend Micro Vision One<\/a>\u7684Custom Scripts \u529f\u80fd\u6d3e\u9001\u5230\u5df2\u7d93\u5b89\u88dd Trend Micro Vision One Agent \u7684\u96fb\u8166\u4e0a\u57f7\u884c\u6aa2\u67e5\u3002<\/p>\n\n\n\n

<\/div>\n\n\n\n

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###<\/p>\n\n\n\n

\u95dc\u65bc\u8da8\u52e2\u79d1\u6280<\/strong><\/p>\n\n\n\n

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