\u653b\u51fb\u65f6\u95f4\uff1a2010\u5e745\u670821\u65e516\u70b9\u540e
\n\u653b\u51fb\u4eba\u7528\u6237\u540d\uff1atotest
\n\u653b\u51fb\u4eba\u59d3\u540d\uff1a***(\u7ecf\u4e0e\u5f53\u4e8b\u4eba\u6c9f\u901a\u534f\u5546\uff0c\u6b64\u5904\u4e0d\u518d\u516c\u5f00\u4fe1\u606f 2011-02-19)
\n\u653b\u51fb\u4ebaIP\uff1a125.83.8.25 119.85.124.217 \u91cd\u5e86
\n\u653b\u51fb\u73b0\u8c61\uff1a\u5728\u670d\u52a1\u5668\u4e0a\u5efa\u7acb\u76ee\u5f55\uff0c\u4e0a\u4f20.c\u6587\u4ef6\uff0c\u4e0a\u4f20.jpg\u6587\u4ef6\uff0c.jpg\u6587\u4ef6\u5b9e\u9645\u4e0a\u662fphp\u6e90\u4ee3\u7801\u3002\u4fee\u6539\u7f51\u7ad9\u6587\u4ef6\u4ee3\u7801\uff0c\u52a0\u4e0a\u201c**\u7f51\u7ad9\u5efa\u8bbe\u201d \uff08www.***.com\uff09\u548c\u201cSM,SM,\u6027\u7231\u7528\u54c1\u5546\u57ce\u201d\uff08www.***.com\uff09\u94fe\u63a5\u3002
\n\u6f0f\u6d1e\u5206\u6790\uff1anginx+php\uff0c\u4e0a\u4f20\u56fe\u7247\uff0c\u53d1\u73b0\u91cd\u5927\u6f0f\u6d1e\uff01\u8be6\u60c5\u5982\u4e0b\uff1a<\/p>\n
\u6f0f\u6d1e\u4ecb\u7ecd\uff1anginx\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684web\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5176\u4e0d\u4ec5\u7ecf\u5e38\u88ab\u7528\u4f5c\u53cd\u5411\u4ee3\u7406\uff0c\u4e5f\u53ef\u4ee5\u975e\u5e38\u597d\u7684\u652f\u6301PHP\u7684\u8fd0\u884c\u300280sec\u53d1\u73b0\u5176\u4e2d\u5b58\u5728\u4e00\u4e2a\u8f83\u4e3a\u4e25\u91cd\u7684\u5b89\u5168\u95ee\u9898\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4\u670d\u52a1\u5668\u9519\u8bef\u7684\u5c06\u4efb\u4f55\u7c7b\u578b\u7684\u6587\u4ef6\u4ee5PHP\u7684\u65b9\u5f0f\u8fdb\u884c\u89e3\u6790\uff0c\u8fd9\u5c06\u5bfc\u81f4\u4e25\u91cd\u7684\u5b89\u5168\u95ee\u9898\uff0c\u4f7f\u5f97\u6076\u610f\u7684\u653b\u51fb\u8005\u53ef\u80fd\u653b\u9677\u652f\u6301php\u7684nginx\u670d\u52a1\u5668\u3002<\/p>\n
\u6f0f\u6d1e\u5206\u6790\uff1anginx\u9ed8\u8ba4\u4ee5cgi\u7684\u65b9\u5f0f\u652f\u6301php\u7684\u8fd0\u884c\uff0c\u8b6c\u5982\u5728\u914d\u7f6e\u6587\u4ef6\u5f53\u4e2d\u53ef\u4ee5\u4ee5<\/p>\n
location ~ \\.php$ {
\nroot html;
\nfastcgi_pass 127.0.0.1:9000;
\nfastcgi_index index.php;
\nfastcgi_param SCRIPT_FILENAME \/scripts$fastcgi_script_name;
\ninclude fastcgi_params;
\n}<\/p>\n
\u7684\u65b9\u5f0f\u652f\u6301\u5bf9php\u7684\u89e3\u6790\uff0clocation\u5bf9\u8bf7\u6c42\u8fdb\u884c\u9009\u62e9\u7684\u65f6\u5019\u4f1a\u4f7f\u7528URI\u73af\u5883\u53d8\u91cf\u8fdb\u884c\u9009\u62e9\uff0c\u5176\u4e2d\u4f20\u9012\u5230\u540e\u7aefFastcgi\u7684\u5173\u952e\u53d8\u91cf SCRIPT_FILENAME\u7531nginx\u751f\u6210\u7684$fastcgi_script_name\u51b3\u5b9a\uff0c\u800c\u901a\u8fc7\u5206\u6790\u53ef\u4ee5\u770b\u5230$fastcgi_script_name\u662f\u76f4\u63a5\u7531URI\u73af\u5883\u53d8\u91cf\u63a7\u5236\u7684\uff0c\u8fd9\u91cc\u5c31\u662f\u4ea7\u751f\u95ee\u9898\u7684\u70b9\u3002\u800c\u4e3a\u4e86\u8f83\u597d\u7684\u652f\u6301PATH_INFO\u7684\u63d0\u53d6\uff0c\u5728PHP \u7684\u914d\u7f6e\u9009\u9879\u91cc\u5b58\u5728cgi.fix_pathinfo\u9009\u9879\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u4eceSCRIPT_FILENAME\u91cc\u53d6\u51fa\u771f\u6b63\u7684\u811a\u672c\u540d\u3002
\n\u90a3\u4e48\u5047\u8bbe\u5b58\u5728\u4e00\u4e2ahttp:\/\/www.80sec.com\/80sec.jpg\uff0c\u6211\u4eec\u4ee5\u5982\u4e0b\u7684\u65b9\u5f0f\u53bb\u8bbf\u95ee<\/p>\n
http:\/\/www.80sec.com\/80sec.jpg\/80sec.php<\/p>\n
\u5c06\u4f1a\u5f97\u5230\u4e00\u4e2aURI<\/p>\n
\/80sec.jpg\/80sec.php<\/p>\n
\u7ecf\u8fc7location\u6307\u4ee4\uff0c\u8be5\u8bf7\u6c42\u5c06\u4f1a\u4ea4\u7ed9\u540e\u7aef\u7684fastcgi\u5904\u7406\uff0cnginx\u4e3a\u5176\u8bbe\u7f6e\u73af\u5883\u53d8\u91cfSCRIPT_FILENAME\uff0c\u5185\u5bb9\u4e3a<\/p>\n
\/scripts\/80sec.jpg\/80sec.php<\/p>\n
\u800c\u5728\u5176\u4ed6\u7684webserver\u5982lighttpd\u5f53\u4e2d\uff0c\u6211\u4eec\u53d1\u73b0\u5176\u4e2d\u7684SCRIPT_FILENAME\u88ab\u6b63\u786e\u7684\u8bbe\u7f6e\u4e3a<\/p>\n
\/scripts\/80sec.jpg<\/p>\n
\u6240\u4ee5\u4e0d\u5b58\u5728\u6b64\u95ee\u9898\u3002
\n\u540e\u7aef\u7684fastcgi\u5728\u63a5\u53d7\u5230\u8be5\u9009\u9879\u65f6\uff0c\u4f1a\u6839\u636efix_pathinfo\u914d\u7f6e\u51b3\u5b9a\u662f\u5426\u5bf9SCRIPT_FILENAME\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u5982\u679c\u4e0d\u5bf9fix_pathinfo\u8fdb\u884c\u8bbe\u7f6e\u5c06\u5f71\u54cd\u4f7f\u7528PATH_INFO\u8fdb\u884c\u8def\u7531\u9009\u62e9\u7684\u5e94\u7528\uff0c\u6240\u4ee5\u8be5\u9009\u9879\u4e00\u822c\u914d\u7f6e\u5f00\u542f\u3002Php\u901a\u8fc7\u8be5\u9009\u9879\u4e4b\u540e\u5c06\u67e5\u627e\u5176\u4e2d\u771f\u6b63\u7684\u811a\u672c\u6587\u4ef6\u540d\u5b57\uff0c\u67e5\u627e\u7684\u65b9\u5f0f\u4e5f\u662f\u67e5\u770b\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c06\u5206\u79bb\u51faSCRIPT_FILENAME\u548cPATH_INFO\u5206\u522b\u4e3a<\/p>\n
\/scripts\/80sec.jpg\u548c80sec.php<\/p>\n
\u6700\u540e\uff0c\u4ee5\/scripts\/80sec.jpg\u4f5c\u4e3a\u6b64\u6b21\u8bf7\u6c42\u9700\u8981\u6267\u884c\u7684\u811a\u672c\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8ba9nginx\u4ee5php\u6765\u89e3\u6790\u4efb\u4f55\u7c7b\u578b\u7684\u6587\u4ef6\u4e86\u3002<\/p>\n
POC\uff1a \u8bbf\u95ee\u4e00\u4e2anginx\u6765\u652f\u6301php\u7684\u7ad9\u70b9\uff0c\u5728\u4e00\u4e2a\u4efb\u4f55\u8d44\u6e90\u7684\u6587\u4ef6\u5982robots.txt\u540e\u9762\u52a0\u4e0a\/80sec.php\uff0c\u8fd9\u4e2a\u65f6\u5019\u4f60\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u7684\u533a\u522b\uff1a<\/p>\n
\u8bbf\u95eehttp:\/\/www.80sec.com\/robots.txt<\/p>\n
HTTP\/1.1 200 OK
\nServer: nginx\/0.6.32
\nDate: Thu, 20 May 2010 10:05:30 GMT
\nContent-Type: text\/plain
\nContent-Length: 18
\nLast-Modified: Thu, 20 May 2010 06:26:34 GMT
\nConnection: keep-alive
\nKeep-Alive: timeout=20
\nAccept-Ranges: bytes<\/p>\n
\u8bbf\u95ee\u8bbf\u95eehttp:\/\/www.80sec.com\/robots.txt\/80sec.php<\/p>\n
HTTP\/1.1 200 OK
\nServer: nginx\/0.6.32
\nDate: Thu, 20 May 2010 10:06:49 GMT
\nContent-Type: text\/html
\nTransfer-Encoding: chunked
\nConnection: keep-alive
\nKeep-Alive: timeout=20
\nX-Powered-By: PHP\/5.2.6<\/p>\n
\u5176\u4e2d\u7684Content-Type\u7684\u53d8\u5316\u8bf4\u660e\u4e86\u540e\u7aef\u8d1f\u8d23\u89e3\u6790\u7684\u53d8\u5316\uff0c\u8be5\u7ad9\u70b9\u5c31\u53ef\u80fd\u5b58\u5728\u6f0f\u6d1e\u3002<\/p>\n
\u6f0f\u6d1e\u5382\u5546\uff1ahttp:\/\/www.nginx.org<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n
\u6211\u4eec\u5df2\u7ecf\u5c1d\u8bd5\u8054\u7cfb\u5b98\u65b9\uff0c\u4f46\u662f\u6b64\u524d\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7684\u65b9\u5f0f\u6765\u51cf\u5c11\u635f\u5931<\/p>\n
\u5173\u95edcgi.fix_pathinfo\u4e3a0<\/p>\n
\u6216\u8005<\/p>\n
if ( $fastcgi_script_name ~ \\..*\\\/.*php ) {
\nreturn 403;
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"
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