{"id":136106,"date":"2026-10-23T17:41:37","date_gmt":"2026-10-23T09:41:37","guid":{"rendered":"https:\/\/version-2.com\/?p=136106"},"modified":"2026-10-23T17:43:19","modified_gmt":"2026-10-23T09:43:19","slug":"php2shell-%e6%89%8b%e5%86%8a%ef%bc%9a%e5%81%b5%e6%b8%ac%e8%88%87%e9%98%b2%e7%a6%a6-php-%e9%81%a0%e7%ab%af%e7%a8%8b%e5%bc%8f%e7%a2%bc%e5%9f%b7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/version-2.com\/en\/2026\/10\/php2shell-%e6%89%8b%e5%86%8a%ef%bc%9a%e5%81%b5%e6%b8%ac%e8%88%87%e9%98%b2%e7%a6%a6-php-%e9%81%a0%e7%ab%af%e7%a8%8b%e5%bc%8f%e7%a2%bc%e5%9f%b7%e8%a1%8c\/","title":{"rendered":"PHP2Shell \u624b\u518a\uff1a\u5075\u6e2c\u8207\u9632\u79a6 PHP \u9060\u7aef\u7a0b\u5f0f\u78bc\u57f7\u884c"},"content":{"rendered":"\t\t
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PHP2Shell \u6559\u6230\u5b88\u5247\uff1a\u9632\u79a6 PHP RCE \u6f0f\u6d1e\u5229\u7528<\/span><\/h3>
\u5a01\u8105\u60c5\u8cc7\u6458\u8981\uff1aPHP2Shell \u6f0f\u6d1e\u5229\u7528\u93c8\u00a0<\/strong>
\u300cPHP2Shell\u300d\u662f\u6307\u4e00\u500b\u6975\u5ea6\u5371\u96aa\u4e14\u5df2\u516c\u958b\u7684\u6f0f\u6d1e\u5229\u7528\u93c8\uff0c\u5b83\u6b66\u5668\u5316\u4e86 PHP \u4e2d\u7684\u5169\u500b\u56b4\u91cd\u6f0f\u6d1e\uff1aCVE-2026\u2013109618<\/strong> \u548c CVE-2026\u2013109619<\/strong>\uff08\u5169\u8005\u7684 CVSS v4.0 \u8a55\u5206\u5747\u9ad8\u9054 9.2\uff09\u3002\u6b64\u6f0f\u6d1e\u5229\u7528\u93c8\u5141\u8a31\u672a\u7d93\u8eab\u5206\u9a57\u8b49\u7684\u653b\u64ca\u8005\u5728\u4efb\u4f55\u8655\u7406 PHP \u7db2\u9801\u8acb\u6c42\u7684\u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u9060\u7aef\u7a0b\u5f0f\u78bc (RCE)\u3002\u9019\u500b\u5ee3\u6cdb\u7684\u653b\u64ca\u9762\u6db5\u84cb\u4e86\u6240\u6709\u5167\u5efa PHP \u7684\u7522\u54c1\uff0c\u4f8b\u5982\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71 (CMS)\u3001\u7ba1\u7406\u63a7\u5236\u53f0\u8207\u7db2\u8def\u8a2d\u5099\u3002

\u6839\u64da Sansec \u7684\u5831\u544a\uff0c\u4e3b\u52d5\u653b\u64ca\u59cb\u65bc 10 \u6708 21 \u65e5\u2014\u2014\u5728\u5b98\u65b9\u767c\u5e03\u5b89\u5168\u4fee\u88dc\u7a0b\u5f0f\u7684\u5e7e\u500b\u5c0f\u6642\u524d\u3002\u7531\u65bc\u9019\u4e9b\u6f0f\u6d1e\u5728\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u78bc\u57f7\u884c\u4e4b\u524d\u5c31\u5df2\u5728\u6838\u5fc3 PHP \u5c64\u7d1a\u89f8\u767c\uff0c\u56e0\u6b64\u6a19\u6e96\u7684\u61c9\u7528\u7a0b\u5f0f\u5c64\u7d1a\u9632\u706b\u7246\u8207\u767b\u5165\u8eab\u5206\u9a57\u8b49\u5b8c\u5168\u7121\u6cd5\u63d0\u4f9b\u4fdd\u8b77\u3002<\/p><\/div>

\u7acb\u5373\u4fee\u5fa9\u6307\u793a<\/h2>

\u60a8\u7684\u4e8b\u4ef6\u56de\u61c9\u8207 IT \u5718\u968a\u61c9\u7acb\u5373\u512a\u5148\u63a1\u53d6\u4ee5\u4e0b\u884c\u52d5\uff1a<\/p>

  • \u76e4\u9ede\u60a8\u7684\u653b\u64ca\u9762\uff1a<\/strong> \u8a18\u9304\u74b0\u5883\u4e2d\u6bcf\u4e00\u53f0\u4f3a\u670d\u5668\u53ca\u5167\u5efa PHP \u7684\u7b2c\u4e09\u65b9\u8a2d\u5099\u3002\u512a\u5148\u8655\u7406\u76f4\u63a5\u66b4\u9732\u65bc\u516c\u5171\u7db2\u969b\u7db2\u8def\u7684\u57fa\u790e\u8a2d\u65bd\u3002<\/li>
  • \u5957\u7528\u7dca\u6025\u4fee\u88dc\u7a0b\u5f0f\uff1a<\/strong> \u5347\u7d1a\u81f3\u5df2\u78ba\u4fdd\u5b89\u5168\u7684 PHP \u7248\u672c\uff1a8.5.12<\/code>\u30018.4.27<\/code>\u30018.3.36<\/code> \u548c 8.2.35<\/code>\uff08\u6216\u90e8\u7f72\u7279\u5b9a\u4f9b\u61c9\u5546\u63d0\u4f9b\u7684\u7b49\u6548\u4fee\u88dc\u5957\u4ef6\uff09\u3002\u6ce8\u610f\uff1a<\/em> PHP 8.1 \u53ca\u66f4\u820a\u7684\u7248\u672c\u5c07\u4e0d\u6703\u6536\u5230\u5b98\u65b9\u4e0a\u6e38\u767c\u5e03\u7684\u66f4\u65b0\uff1b\u60a8\u5fc5\u9808\u5411\u60a8\u7684\u4f5c\u696d\u7cfb\u7d71\u767c\u884c\u7248\u6216\u9577\u671f\u652f\u63f4 (LTS) \u4f9b\u61c9\u5546\u5c0b\u6c42\u5b89\u5168\u4fee\u88dc\u7a0b\u5f0f\u3002<\/li><\/ul>

    \u88dc\u511f\u6027\u63a7\u5236\u63aa\u65bd\uff08\u82e5\u5ef6\u9072\u4fee\u88dc\uff09<\/h3>

    \u5982\u679c\u60a8\u7121\u6cd5\u7acb\u5373\u90e8\u7f72\u4fee\u88dc\u7a0b\u5f0f\uff0c\u60a8\u5fc5\u9808\u4e3b\u52d5\u524a\u5f31\u653b\u64ca\u8005\u5229\u7528\u8a72\u7f3a\u9677\u7684\u80fd\u529b\uff1a<\/p>

    • \u4fee\u6539\u60a8\u7684 php.ini<\/code> \u6216 PHP-FPM \u8cc7\u6e90\u6c60\u8a2d\u5b9a\uff0c\u5c07 session.upload_progress.enabled=0<\/code>\uff0c\u7136\u5f8c\u91cd\u65b0\u555f\u52d5\u6240\u6709 PHP worker \u884c\u7a0b\u3002<\/li>
    • \u82e5\u57f7\u884c\u7684\u662f PHP 8.5\uff0c\u60a8\u5fc5\u9808\u984d\u5916\u8a2d\u5b9a fatal_error_backtraces=0<\/code>\u3002<\/li>
    • \u5728\u60a8\u7684\u53cd\u5411\u4ee3\u7406\u6216\u7db2\u9801\u4f3a\u670d\u5668\u5c64\uff08\u4f8b\u5982 Nginx\u3001Apache\uff09\u5f37\u5236\u57f7\u884c\u56b4\u683c\u7684 HTTP \u8acb\u6c42\u5927\u5c0f\u9650\u5236\u3002<\/li>
    • \u5728\u61c9\u7528\u7a0b\u5f0f\u4e0d\u56b4\u683c\u8981\u6c42\u6a94\u6848\u4e0a\u50b3\u7684\u4efb\u4f55\u7aef\u9ede\u4e0a\uff0c\u4e3b\u52d5\u963b\u64cb multipart\/form-data<\/code> \u8ca0\u8f09\u3002<\/li><\/ul><\/div>

      \u884c\u70ba\u5a01\u8105\u72e9\u7375\uff08\u7121 Mendel \u5e73\u53f0\u7684\u60c5\u6cc1\u4e0b\uff09<\/h2>

      \u975c\u614b IOC \u548c\u7db2\u8def\u7279\u5fb5\u78bc\u7684\u53ef\u9760\u6027\u5e7e\u4e4e\u6703\u7acb\u5373\u964d\u4f4e\u3002\u5982\u679c\u60a8\u672a\u4f7f\u7528 Mendel \u5e73\u53f0\u9032\u884c\u9032\u968e\u5075\u6e2c\uff0c\u60a8\u7684\u5b89\u5168\u71df\u904b\u4e2d\u5fc3 (SOC) \u5fc5\u9808\u8f49\u5411\u884c\u70ba\u72e9\u7375\u3002\u5c0b\u627e\u4ee5\u4e0b\u7570\u5e38\u60c5\u6cc1\uff1a<\/p>

      • \u53ef\u7591\u8ca0\u8f09\uff1a<\/strong> \u76e3\u63a7\u4eba\u70ba\u6ce8\u5165 PHP_SESSION_UPLOAD_PROGRESS<\/code> \u8b8a\u6578\u7684 Multipart POST \u8acb\u6c42\u3002<\/li>
      • \u932f\u8aa4\u7206\u767c\uff1a<\/strong> \u7559\u610f\u4f86\u81ea\u55ae\u4e00\u7528\u6236\u7aef IP \u7684 multipart POST \u8acb\u6c42\u5f8c\uff0c\u7a81\u7136\u51fa\u73fe\u5bc6\u96c6\u7684 5xx HTTP \u932f\u8aa4\uff08\u7279\u5225\u662f 502 Bad Gateway \u6216 503 Service Unavailable\uff09\u3002\u5c07\u6b64\u60c5\u6cc1\u8207\u5f8c\u7aef PHP \u65e5\u8a8c\u4e2d\u7684 Allowed memory size ... exhausted<\/code> \u81f4\u547d\u932f\u8aa4\u9032\u884c\u4ea4\u53c9\u6bd4\u5c0d\u3002<\/li>
      • \u8a18\u61b6\u9ad4\u5916\u6d29\u6307\u6a19\uff1a<\/strong> \u4ed4\u7d30\u6aa2\u67e5 HTTP \u56de\u61c9\u4e2d Set-Cookie<\/code> \u6a19\u982d\u5167\u904e\u5927\u6216\u7d50\u69cb\u7578\u5f62\u7684 PHPSESSID<\/code> \u5b57\u4e32\uff0c\u9019\u5f37\u70c8\u6697\u793a\u8a18\u61b6\u9ad4\u6b63\u5728\u88ab\u6210\u529f\u5916\u6d29\u3002<\/li>
      • \u6f0f\u6d1e\u5229\u7528\u5f8c\u884d\u751f\u884c\u7a0b\uff1a<\/strong> \u5c0b\u627e\u7db2\u9801\u4f3a\u670d\u5668\u5b50\u884c\u7a0b\u975e\u6cd5\u884d\u751f shell\uff08sh<\/code>\u3001bash<\/code>\uff09\u6216\u547d\u4ee4\u5217\u7db2\u9801\u7528\u6236\u7aef\uff08curl<\/code>\u3001wget<\/code>\uff09\u3002\u6b64\u5916\uff0c\u76e3\u63a7\u7db2\u9801\u4f3a\u670d\u5668\u662f\u5426\u6709\u7570\u5e38\u7684\u5c0d\u5916\u9023\u7dda\u6216\u5167\u90e8\u7db2\u8def\u5075\u5bdf\u63a2\u6e2c\u3002<\/li><\/ul>

        \u53d7\u99ed\u4e3b\u6a5f\u7684\u4e8b\u4ef6\u56de\u61c9\u5354\u8b70<\/h2>

        \u5982\u679c\u60a8\u7684\u884c\u70ba\u72e9\u7375\u78ba\u8a8d\u5df2\u906d\u5165\u4fb5\uff0c\u60a8\u5fc5\u9808\u679c\u65b7\u63a1\u53d6\u884c\u52d5\u3002\u7acb\u5373\u5c07\u53d7\u5f71\u97ff\u7684\u4f3a\u670d\u5668\u5f9e\u7db2\u8def\u9694\u96e2\uff0c\u4fdd\u5b58\u6240\u6709\u5c01\u5305\u64f7\u53d6\u548c\u7cfb\u7d71\u65e5\u8a8c\u4ee5\u4f9b\u9451\u8b58\uff0c\u4e26\u5957\u7528\u4fee\u88dc\u7a0b\u5f0f\u3002<\/p>

        \u81f3\u95dc\u91cd\u8981\u7684\u662f\uff0c\u7531\u65bc\u8a18\u61b6\u9ad4\u5916\u6d29\u6f0f\u6d1e\u5229\u7528\u4e0d\u6703\u7559\u4e0b\u7aca\u53d6\u4e86\u4ec0\u9ebc\u5167\u5bb9\u7684\u9451\u8b58\u8db3\u8de1\uff0c\u60a8\u5fc5\u9808\u5047\u8a2d\u6191\u8b49\u5df2\u5168\u9762\u5916\u6d29<\/strong>\u3002\u60a8\u5fc5\u9808\u8f2a\u66ff\uff08\u66f4\u63db\uff09PHP worker \u5728\u653b\u64ca\u7576\u4e0b\u53ef\u80fd\u4fdd\u7559\u5728\u8a18\u61b6\u9ad4\u4e2d\u7684\u6bcf\u4e00\u500b\u6a5f\u5bc6\u8cc7\u8a0a\u3002\u9019\u5305\u542b\u8cc7\u6599\u5eab\u5bc6\u78bc\u3001API \u91d1\u9470\u3001\u5de5\u4f5c\u968e\u6bb5\u6a5f\u5bc6 (session secrets) \u548c TLS \u79c1\u9470\u3002\u8f2a\u66ff\u662f\u61c9\u5c0d\u8a18\u61b6\u9ad4\u66b4\u9732\u5728\u6578\u5b78\u4e0a\u552f\u4e00\u5b89\u5168\u7684\u505a\u6cd5\u3002<\/p>

        \u95dc\u65bc\u53ef\u898b\u5ea6\u7684\u6700\u5f8c\u4e00\u9ede\u63d0\u9192\uff1a<\/em> TLS \u52a0\u5bc6\u672c\u8cea\u4e0a\u6703\u4f7f\u7db2\u8def\u5165\u4fb5\u611f\u6e2c\u5668\u7121\u6cd5\u770b\u898b\u7db2\u9801\u8acb\u6c42\u7684\u5167\u5bb9\u3002\u5982\u679c\u60a8\u7684\u67b6\u69cb\u4f7f\u60a8\u7121\u6cd5\u5728\u908a\u7de3\u89e3\u5bc6\u6d41\u91cf\u4ee5\u9032\u884c\u6aa2\u67e5\uff0c\u60a8\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u4e0a\u8ff0\u7684\u5f8c\u7aef\u884c\u70ba\u6307\u6a19\u548c\u65e5\u8a8c\u7570\u5e38\u3002<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t

        \n\t\t\t\t\t\t\t
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        <\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
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        <\/p>\n

        \u95dc\u65bcGREYCORTEX<\/strong>
        GREYCORTEX\u4f7f\u7528\u5148\u9032\u7684\u4eba\u5de5\u667a\u80fd\uff0c\u6a5f\u5668\u5b78\u7fd2\u548c\u6578\u64da\u6316\u6398\u65b9\u6cd5\u4f86\u5e6b\u52a9\u7d44\u7e54\u4f7f\u5176IT\u64cd\u4f5c\u5b89\u5168\u53ef\u9760\u3002MENDEL\u662fGREYCORTEX\u7684\u7db2\u7d61\u6d41\u91cf\u5206\u6790\u89e3\u6c7a\u65b9\u6848\uff0c\u5b83\u53ef\u4ee5\u901a\u904e\u6aa2\u6e2c\u5c0d\u5176\u4ed6\u7db2\u7d61\u5b89\u5168\u7522\u54c1\u6240\u7f3a\u5c11\u7684\u654f\u611f\u6578\u64da\uff0c\u7db2\u7d61\uff0c\u5546\u696d\u6a5f\u5bc6\u548c\u8072\u8b7d\u7684\u7db2\u7d61\u5a01\u8105\uff0c\u4f86\u5e6b\u52a9\u516c\u53f8\uff0c\u653f\u5e9c\u548c\u95dc\u9375\u57fa\u790e\u8a2d\u65bd\u90e8\u9580\u4fdd\u8b77\u5176\u672a\u4f86\u3002MENDEL\u57fa\u65bc\u5341\u5e74\u7684\u5ee3\u6cdb\u5b78\u8853\u7814\u7a76\uff0c\u4e26\u4f7f\u7528\u5728\u56db\u9805\u7f8e\u570bNIST\u6311\u6230\u8cfd\u4e2d\u5747\u7372\u5f97\u6210\u529f\u7684\u6280\u8853\u9032\u884c\u8a2d\u8a08\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\t\t

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        \u95dc\u65bcVersion 2<\/h3>

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