{"id":476329,"date":"2023-08-09T07:28:31","date_gmt":"2023-08-09T07:28:31","guid":{"rendered":""},"modified":"2023-09-05T11:12:28","modified_gmt":"2023-09-05T11:12:28","slug":"command-injection","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/command-injection\/","title":{"rendered":"\u547d\u4ee4\u6ce8\u5165"},"content":{"rendered":"<p>\u547d\u4ee4\u6ce8\u5165\u662f\u4e00\u79cd Web \u5e94\u7528\u7a0b\u5e8f\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5728\u76ee\u6807\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u7cfb\u7edf\u547d\u4ee4\u3002\u5f53\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u6ca1\u6709\u7ecf\u8fc7\u5145\u5206\u7684\u6e05\u7406\u6216\u9a8c\u8bc1\uff0c\u5e76\u4e14\u8be5\u8f93\u5165\u76f4\u63a5\u7528\u4e8e\u6784\u9020\u7531\u670d\u52a1\u5668\u6267\u884c\u7684\u7cfb\u7edf\u547d\u4ee4\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u6b64\u5b89\u5168\u7f3a\u9677\u3002\u8be5\u6f0f\u6d1e\u5bf9 Web \u5e94\u7528\u7a0b\u5e8f\u6784\u6210\u91cd\u5927\u5a01\u80c1\uff0c\u4e86\u89e3\u5176\u8d77\u6e90\u3001\u5de5\u4f5c\u539f\u7406\u548c\u9884\u9632\u63aa\u65bd\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458\u548c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u547d\u4ee4\u6ce8\u5165\u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca\u7684\u5386\u53f2<\/h2>\n<p>\u547d\u4ee4\u6ce8\u5165\u7684\u5386\u53f2\u53ef\u4ee5\u8ffd\u6eaf\u5230 Web \u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u7684\u65e9\u671f\uff0c\u5f53\u65f6\u7b2c\u4e00\u53f0 Web \u670d\u52a1\u5668\u5728 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u51fa\u73b0\u3002\u968f\u7740 Web \u5e94\u7528\u7a0b\u5e8f\u7684\u53d1\u5c55\u5e76\u53d8\u5f97\u66f4\u52a0\u590d\u6742\uff0c\u5bf9\u7528\u6237\u8f93\u5165\u548c\u4ea4\u4e92\u7684\u9700\u6c42\u4e0d\u65ad\u589e\u957f\uff0c\u4ece\u800c\u5bfc\u81f4\u4e86\u5404\u79cd\u6570\u636e\u5904\u7406\u6280\u672f\u7684\u5f15\u5165\u3002<\/p>\n<p>\u7b2c\u4e00\u6b21\u63d0\u5230\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u53ef\u4ee5\u8ffd\u6eaf\u5230 2000 \u5e74\u4ee3\u521d\u671f\u3002\u5b89\u5168\u7814\u7a76\u4eba\u5458\u5f00\u59cb\u53d1\u73b0\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u5bbd\u677e\u7684\u8f93\u5165\u9a8c\u8bc1\u5728 Web \u670d\u52a1\u5668\u4e0a\u6267\u884c\u4efb\u610f\u547d\u4ee4\u7684\u60c5\u51b5\u3002\u8fd9\u4e9b\u65e9\u671f\u53d1\u73b0\u66b4\u9732\u4e86\u95ee\u9898\u7684\u4e25\u91cd\u6027\uff0c\u5e76\u5f15\u53d1\u4e86\u63d0\u9ad8 Web \u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u7684\u52aa\u529b\u3002<\/p>\n<h2>\u6709\u5173\u547d\u4ee4\u6ce8\u5165\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u6269\u5c55\u4e3b\u9898\u547d\u4ee4\u6ce8\u5165<\/h2>\n<p>\u5f53\u653b\u51fb\u8005\u5c06\u6076\u610f\u4ee3\u7801\u6216\u547d\u4ee4\u63d2\u5165\u5230 Web \u5e94\u7528\u7a0b\u5e8f\u4e0a\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u5b57\u6bb5\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u547d\u4ee4\u6ce8\u5165\u3002\u5e94\u7528\u7a0b\u5e8f\u5728\u4e0d\u77e5\u9053\u8fd9\u79cd\u64cd\u4f5c\u7684\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u5c06\u53d7\u6c61\u67d3\u7684\u8f93\u5165\u4f20\u9012\u7ed9\u5e95\u5c42\u7cfb\u7edf shell\uff0c\u540e\u8005\u76f2\u76ee\u5730\u6267\u884c\u6ce8\u5165\u7684\u547d\u4ee4\u3002\u6b64\u8fc7\u7a0b\u6388\u4e88\u653b\u51fb\u8005\u5bf9\u670d\u52a1\u5668\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u63a7\u5236\u6743\u3002<\/p>\n<p>\u5229\u7528\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u6267\u884c\u5404\u79cd\u6076\u610f\u64cd\u4f5c\uff0c\u4f8b\u5982\u8bbf\u95ee\u654f\u611f\u6587\u4ef6\u3001\u7834\u574f\u6570\u636e\u5e93\u4ee5\u53ca\u6267\u884c\u6709\u5bb3\u7684\u7cfb\u7edf\u547d\u4ee4\u3002\u5f71\u54cd\u8303\u56f4\u4ece\u672a\u7ecf\u6388\u6743\u7684\u6570\u636e\u8bbf\u95ee\u5230\u5b8c\u5168\u7684\u670d\u52a1\u5668\u6cc4\u9732\u3002<\/p>\n<h2>Command\u6ce8\u5165\u7684\u5185\u90e8\u7ed3\u6784\u3002\u547d\u4ee4\u6ce8\u5165\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u7684\u5185\u90e8\u7ed3\u6784\u76f8\u5bf9\u7b80\u5355\u3002\u8be5\u6f0f\u6d1e\u901a\u5e38\u662f\u7531\u4e8e\u5bf9\u7528\u6237\u8f93\u5165\uff08\u901a\u5e38\u662f Web \u8868\u5355\u6216 URL \u53c2\u6570\u4e2d\u7684\u8f93\u5165\uff09\u7684\u4e0d\u5f53\u5904\u7406\u800c\u5f15\u8d77\u7684\u3002\u8ba9\u6211\u4eec\u9010\u6b65\u4e86\u89e3\u547d\u4ee4\u6ce8\u5165\u653b\u51fb\u7684\u5de5\u4f5c\u539f\u7406\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u7528\u6237\u8f93\u5165<\/strong>\uff1a\u653b\u51fb\u8005\u8bc6\u522b\u51fa\u6613\u53d7\u547d\u4ee4\u6ce8\u5165\u653b\u51fb\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u5728\u5176\u529f\u80fd\u4e2d\u4f7f\u7528\u7528\u6237\u8f93\u5165\uff0c\u4f8b\u5982\u641c\u7d22\u680f\u6216\u7528\u6237\u8bc4\u8bba\u90e8\u5206\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6ce8\u5c04\u70b9<\/strong>\uff1a\u653b\u51fb\u8005\u8bc6\u522b\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7528\u6237\u8f93\u5165\u6784\u5efa\u7cfb\u7edf\u547d\u4ee4\u7684\u5165\u53e3\u70b9\u3002\u8fd9\u4e9b\u53ef\u80fd\u662f\u672a\u7ecf\u9a8c\u8bc1\u7684\u8f93\u5165\u5b57\u6bb5\u6216 URL \u53c2\u6570\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6076\u610f\u8d1f\u8f7d<\/strong>\uff1a\u653b\u51fb\u8005\u901a\u8fc7\u5728\u8f93\u5165\u5b57\u6bb5\u4e2d\u63d2\u5165\u7cfb\u7edf\u547d\u4ee4\u6216 shell \u5143\u5b57\u7b26\u6765\u5236\u4f5c\u6076\u610f\u8d1f\u8f7d\u3002\u8fd9\u4e9b\u547d\u4ee4\u5c06\u7531\u670d\u52a1\u5668\u7684 shell \u6267\u884c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u547d\u4ee4\u6267\u884c<\/strong>\uff1a\u53d7\u6c61\u67d3\u7684\u7528\u6237\u8f93\u5165\u73b0\u5728\u5305\u542b\u653b\u51fb\u8005\u7684\u6709\u6548\u8d1f\u8f7d\uff0c\u88ab\u63d0\u4ea4\u5230\u670d\u52a1\u5668\u3002\u670d\u52a1\u5668\u5728\u6ca1\u6709\u7ecf\u8fc7\u9002\u5f53\u9a8c\u8bc1\u7684\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u6267\u884c\u6ce8\u5165\u7684\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8d8a\u6743\u5b58\u53d6<\/strong>\uff1a\u653b\u51fb\u8005\u83b7\u5f97\u5bf9\u670d\u52a1\u5668\u7684\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\uff0c\u5141\u8bb8\u4ed6\u4eec\u6267\u884c\u4efb\u610f\u4ee3\u7801\u5e76\u53ef\u80fd\u5371\u53ca\u6574\u4e2a\u7cfb\u7edf\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>Command\u6ce8\u5165\u7684\u5173\u952e\u7279\u5f81\u5206\u6790<\/h2>\n<p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u547d\u4ee4\u6ce8\u5165\uff0c\u6709\u5fc5\u8981\u5206\u6790\u5176\u5173\u952e\u7279\u6027\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u8f93\u5165\u9a8c\u8bc1<\/strong>\uff1a\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u4e3b\u8981\u662f\u7531\u4e8e\u8f93\u5165\u9a8c\u8bc1\u4e0d\u5145\u5206\u800c\u53d1\u751f\u7684\u3002\u5f53 Web \u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u9a8c\u8bc1\u548c\u6e05\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u5229\u7528\u6b64\u5f31\u70b9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u60c5\u5883\u610f\u8bc6<\/strong>\uff1a\u4e0a\u4e0b\u6587\u5728\u547d\u4ee4\u6ce8\u5165\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u5f00\u53d1\u4eba\u5458\u5fc5\u987b\u4e86\u89e3\u7528\u6237\u8f93\u5165\u7528\u4e8e\u6784\u9020\u547d\u4ee4\u7684\u4e0a\u4e0b\u6587\u3002\u4e0d\u540c\u7684\u73af\u5883\u9700\u8981\u4e0d\u540c\u7684\u9a8c\u8bc1\u65b9\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u540c\u7684\u5f71\u54cd<\/strong>\uff1a\u547d\u4ee4\u6ce8\u5165\u7684\u5f71\u54cd\u8303\u56f4\u4ece\u8f7b\u5fae\u4e2d\u65ad\u5230\u4e25\u91cd\u6570\u636e\u6cc4\u9732\u6216\u670d\u52a1\u5668\u59a5\u534f\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u653b\u51fb\u8005\u7684\u610f\u56fe\u548c\u670d\u52a1\u5668\u7684\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e73\u53f0\u72ec\u7acb\u6027<\/strong>\uff1a\u547d\u4ee4\u6ce8\u5165\u53ef\u4ee5\u5f71\u54cd\u5404\u79cd\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4f7f\u5176\u4e0e\u5e73\u53f0\u65e0\u5173\u3002\u653b\u51fb\u53ef\u4ee5\u9488\u5bf9 Windows\u3001Linux\u3001macOS \u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u7684\u73af\u5883\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u547d\u4ee4\u6ce8\u5165\u7684\u7c7b\u578b<\/h2>\n<p>\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u53ef\u4ee5\u6839\u636e\u653b\u51fb\u8005\u5982\u4f55\u64cd\u7eb5\u8f93\u5165\u4ee5\u53ca\u6ce8\u5165\u5982\u4f55\u53d1\u751f\u8fdb\u884c\u5206\u7c7b\u3002\u6700\u5e38\u89c1\u7684\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7c7b\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u7ecf\u5178\u547d\u4ee4\u6ce8\u5165<\/strong><\/td>\n<td>\u653b\u51fb\u8005\u5229\u7528\u5f31\u8f93\u5165\u9a8c\u8bc1\uff0c\u76f4\u63a5\u5c06\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u8f93\u5165\u5b57\u6bb5\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u76f2\u547d\u4ee4\u6ce8\u5165<\/strong><\/td>\n<td>\u5728\u8fd9\u79cd\u7c7b\u578b\u4e2d\uff0c\u653b\u51fb\u8005\u4e0d\u4f1a\u6536\u5230\u76f4\u63a5\u8f93\u51fa\uff0c\u56e0\u6b64\u66f4\u96be\u4ee5\u9a8c\u8bc1\u653b\u51fb\u662f\u5426\u6210\u529f\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u57fa\u4e8e\u65f6\u95f4\u7684\u76f2\u6ce8\u5165<\/strong><\/td>\n<td>\u653b\u51fb\u8005\u89e6\u53d1\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u7684\u65f6\u95f4\u5ef6\u8fdf\u4ee5\u786e\u5b9a\u6ce8\u5165\u662f\u5426\u6210\u529f\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u52a8\u6001\u8bc4\u4ef7<\/strong><\/td>\n<td>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7528\u6237\u8f93\u5165\u7684\u52a8\u6001\u8bc4\u4f30\uff0c\u5141\u8bb8\u547d\u4ee4\u6267\u884c\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u51fd\u6570\u6ce8\u5165<\/strong><\/td>\n<td>\u653b\u51fb\u8005\u64cd\u7eb5\u51fd\u6570\u8c03\u7528\u6765\u6267\u884c\u4efb\u610f\u547d\u4ee4\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Command\u6ce8\u5165\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u547d\u4ee4\u6ce8\u5165\u53ef\u7528\u4e8e\u5404\u79cd\u6076\u610f\u76ee\u7684\uff0c\u5176\u5229\u7528\u4f1a\u7ed9 Web \u5e94\u7528\u7a0b\u5e8f\u5e26\u6765\u4e25\u91cd\u95ee\u9898\u3002\u4f7f\u7528\u547d\u4ee4\u6ce8\u5165\u7684\u4e00\u4e9b\u5e38\u89c1\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u6570\u636e\u76d7\u7a83<\/strong>\uff1a\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u547d\u4ee4\u6ce8\u5165\u6765\u8bbf\u95ee\u548c\u7a83\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u4f8b\u5982\u7528\u6237\u51ed\u636e\u3001\u4e2a\u4eba\u6570\u636e\u6216\u8d22\u52a1\u8bb0\u5f55\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7cfb\u7edf\u59a5\u534f<\/strong>\uff1a\u547d\u4ee4\u6ce8\u5165\u53ef\u80fd\u5bfc\u81f4\u7cfb\u7edf\u5b8c\u5168\u53d7\u635f\uff0c\u4ece\u800c\u4f7f\u653b\u51fb\u8005\u80fd\u591f\u5b8c\u5168\u63a7\u5236\u670d\u52a1\u5668\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u9500\u6bc1<\/strong>\uff1a\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5c1d\u8bd5\u4f7f\u7528\u6ce8\u5165\u7684\u547d\u4ee4\u5220\u9664\u6216\u635f\u574f\u5173\u952e\u6570\u636e\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u548c\u670d\u52a1\u4e2d\u65ad\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u89e3\u51b3\u65b9\u6848\uff1a<\/h3>\n<ol>\n<li>\n<p><strong>\u8f93\u5165\u51c0\u5316<\/strong>\uff1a\u5b9e\u65bd\u4e25\u683c\u7684\u8f93\u5165\u9a8c\u8bc1\u548c\u6e05\u7406\u4f8b\u7a0b\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u8f93\u5165\u5230\u8fbe\u7cfb\u7edf shell\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u907f\u514d shell \u6267\u884c<\/strong>\uff1a\u5c3d\u53ef\u80fd\u907f\u514d\u4f7f\u7528\u7cfb\u7edf shell \u6765\u6267\u884c\u547d\u4ee4\u3002\u76f8\u53cd\uff0c\u8bf7\u4f7f\u7528\u63d0\u4f9b\u66f4\u5b89\u5168\u66ff\u4ee3\u65b9\u6848\u7684 API \u6216\u5e93\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53c2\u6570\u5316\u67e5\u8be2<\/strong>\uff1a\u5728\u6570\u636e\u5e93\u4ea4\u4e92\u4e2d\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u548c\u9884\u51c6\u5907\u8bed\u53e5\u6765\u9632\u6b62 SQL \u6ce8\u5165\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u547d\u4ee4\u6ce8\u5165\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6700\u5c0f\u7279\u6743\u539f\u5219<\/strong>\uff1a\u786e\u4fdd Web \u5e94\u7528\u7a0b\u5e8f\u4ee5\u6700\u4f4e\u9650\u5ea6\u7684\u5fc5\u8981\u6743\u9650\u8fd0\u884c\uff0c\u4ee5\u9650\u5236\u6210\u529f\u653b\u51fb\u7684\u5f71\u54cd\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u8981\u7279\u70b9\u53ca\u4e0e\u540c\u7c7b\u672f\u8bed\u7684\u5176\u4ed6\u6bd4\u8f83<\/h2>\n<h3>\u547d\u4ee4\u6ce8\u5165\u4e0e\u4ee3\u7801\u6ce8\u5165\uff1a<\/h3>\n<p>\u547d\u4ee4\u6ce8\u5165\u548c\u4ee3\u7801\u6ce8\u5165\u90fd\u6d89\u53ca\u5c06\u6076\u610f\u6307\u4ee4\u6ce8\u5165\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u4e3b\u8981\u7684\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u7684\u76ee\u6807\u548c\u6267\u884c\u3002<\/p>\n<ul>\n<li><strong>\u547d\u4ee4\u6ce8\u5165<\/strong>\uff1a\u9488\u5bf9\u5e95\u5c42\u7cfb\u7edfshell\u5e76\u6267\u884c\u7cfb\u7edf\u7ea7\u547d\u4ee4\u3002<\/li>\n<li><strong>\u4ee3\u7801\u6ce8\u5165<\/strong>\uff1a\u4ee5\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\u4e3a\u76ee\u6807\u5e76\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<p>\u547d\u4ee4\u6ce8\u5165\u901a\u5e38\u4f1a\u5f71\u54cd\u4e0e\u670d\u52a1\u5668 shell \u4ea4\u4e92\u7684 Web \u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u4ee3\u7801\u6ce8\u5165\u4f1a\u5f71\u54cd\u52a8\u6001\u6267\u884c\u4ee3\u7801\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982 eval() \u6216\u52a8\u6001\u51fd\u6570\u8c03\u7528\u3002<\/p>\n<h3>\u547d\u4ee4\u6ce8\u5165\u4e0e SQL \u6ce8\u5165\uff1a<\/h3>\n<p>\u547d\u4ee4\u6ce8\u5165\u548c SQL \u6ce8\u5165\u90fd\u662f\u5e38\u89c1\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u6f0f\u6d1e\uff0c\u4f46\u5176\u5f71\u54cd\u548c\u76ee\u6807\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<ul>\n<li><strong>\u547d\u4ee4\u6ce8\u5165<\/strong>\uff1a\u5229\u7528\u5bf9\u7528\u6237\u8f93\u5165\u7684\u4e0d\u5f53\u5904\u7406\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u7cfb\u7edf\u7ea7\u547d\u4ee4\u3002<\/li>\n<li><strong>SQL\u6ce8\u5165<\/strong>\uff1a\u64cd\u4f5c\u6570\u636e\u5e93\u67e5\u8be2\u4ee5\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u3001\u4fee\u6539\u6216\u5220\u9664\u6570\u636e\u3002<\/li>\n<\/ul>\n<p>\u867d\u7136\u4e24\u8005\u90fd\u5f88\u5371\u9669\uff0c\u4f46 SQL \u6ce8\u5165\u4e13\u95e8\u9488\u5bf9\u6570\u636e\u5e93\uff0c\u800c\u547d\u4ee4\u6ce8\u5165\u5219\u9488\u5bf9\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n<h2>\u4e0e\u547d\u4ee4\u6ce8\u5165\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n<p>\u5bf9\u6297\u547d\u4ee4\u6ce8\u5165\u7684\u6597\u4e89\u4ecd\u5728\u7ee7\u7eed\uff0c\u5b89\u5168\u4e13\u4e1a\u4eba\u5458\u7ee7\u7eed\u5f00\u53d1\u65b0\u6280\u672f\u548c\u5b9e\u8df5\u6765\u7f13\u89e3\u6b64\u6f0f\u6d1e\u3002\u4e00\u4e9b\u6f5c\u5728\u7684\u672a\u6765\u89c2\u70b9\u548c\u6280\u672f\u5305\u62ec\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177<\/strong>\uff1a\u5148\u8fdb\u7684\u9759\u6001\u4ee3\u7801\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u5f00\u53d1\u9636\u6bb5\u6f5c\u5728\u7684\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Web \u5e94\u7528\u7a0b\u5e8f\u9632\u706b\u5899 (WAF)<\/strong>\uff1a\u5177\u6709\u667a\u80fd\u8fc7\u6ee4\u529f\u80fd\u7684WAF\u53ef\u4ee5\u6709\u6548\u68c0\u6d4b\u5e76\u963b\u6b62\u547d\u4ee4\u6ce8\u5165\u5c1d\u8bd5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u673a\u5668\u5b66\u4e60<\/strong>\uff1a\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u53ef\u4ee5\u4ece\u8fc7\u53bb\u7684\u547d\u4ee4\u6ce8\u5165\u653b\u51fb\u4e2d\u5b66\u4e60\uff0c\u5e76\u5e2e\u52a9\u68c0\u6d4b\u65b0\u7684\u590d\u6742\u6a21\u5f0f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6301\u7eed\u5b89\u5168\u57f9\u8bad<\/strong>\uff1a\u5bf9\u5f00\u53d1\u4eba\u5458\u8fdb\u884c\u5b9a\u671f\u5b89\u5168\u57f9\u8bad\u53ef\u4ee5\u521b\u5efa\u5b89\u5168\u610f\u8bc6\u6587\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u5b89\u5168\u7684\u7f16\u7801\u5b9e\u8df5\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u547d\u4ee4\u6ce8\u5165\u5173\u8054<\/h2>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u5145\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u5c06\u5ba2\u6237\u7aef\u8bf7\u6c42\u8f6c\u53d1\u5230\u670d\u52a1\u5668\uff0c\u7136\u540e\u5c06\u670d\u52a1\u5668\u7684\u54cd\u5e94\u8f6c\u53d1\u56de\u5ba2\u6237\u7aef\u3002\u7531\u4e8e\u4ee3\u7406\u670d\u52a1\u5668\u5728\u5904\u7406\u7528\u6237\u8bf7\u6c42\u548c\u54cd\u5e94\u65b9\u9762\u7684\u4f5c\u7528\uff0c\u56e0\u6b64\u53ef\u4ee5\u95f4\u63a5\u4e0e\u547d\u4ee4\u6ce8\u5165\u76f8\u5173\u8054\u3002<\/p>\n<p>\u5982\u679c\u4ee3\u7406\u670d\u52a1\u5668\u65e0\u6cd5\u68c0\u6d4b\u548c\u8fc7\u6ee4\u6076\u610f\u547d\u4ee4\u6ce8\u5165\u6709\u6548\u8d1f\u8f7d\uff0c\u5b83\u53ef\u80fd\u4f1a\u5c06\u53d7\u6c61\u67d3\u7684\u8bf7\u6c42\u4f20\u9012\u5230\u540e\u7aef\u670d\u52a1\u5668\uff0c\u4ece\u800c\u52a0\u5267\u6f0f\u6d1e\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4ee3\u7406\u670d\u52a1\u5668\u672c\u8eab\u5e76\u4e0d\u662f\u547d\u4ee4\u6ce8\u5165\u7684\u76ee\u6807\uff1b\u76f8\u53cd\uff0c\u5b83\u53ef\u80fd\u4f1a\u65e0\u610f\u4e2d\u4fc3\u8fdb\u6b64\u7c7b\u653b\u51fb\u7684\u4f20\u64ad\u3002<\/p>\n<h2>\u76f8\u5173\u94fe\u63a5<\/h2>\n<p>\u8981\u6df1\u5165\u7814\u7a76\u547d\u4ee4\u6ce8\u5165\u548c Web \u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6027\u4e3b\u9898\uff0c\u4ee5\u4e0b\u8d44\u6e90\u53ef\u80fd\u4f1a\u6709\u6240\u5e2e\u52a9\uff1a<\/p>\n<ol>\n<li>\n<p>OWASP \u547d\u4ee4\u6ce8\u5165\uff1a <a href=\"https:\/\/owasp.org\/www-community\/attacks\/Command_Injection\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/owasp.org\/www-community\/attacks\/Command_Injection<\/a><\/p>\n<\/li>\n<li>\n<p>Web \u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u57fa\u7840\u77e5\u8bc6\uff1a <a href=\"https:\/\/www.owasp.org\/index.php\/Web_Application_Security_Testing_Cheat_Sheet\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.owasp.org\/index.php\/Web_Application_Security_Testing_Cheat_Sheet<\/a><\/p>\n<\/li>\n<li>\n<p>Web \u5e94\u7528\u7a0b\u5e8f\u5b89\u5168\u6700\u4f73\u5b9e\u8df5\uff1a <a href=\"https:\/\/owasp.org\/www-project-web-security-testing-guide\/v41\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/owasp.org\/www-project-web-security-testing-guide\/v41\/<\/a><\/p>\n<\/li>\n<li>\n<p>\u4ee3\u7406\u670d\u52a1\u5668\u7b80\u4ecb\uff1a <a href=\"https:\/\/www.cloudflare.com\/learning\/cdn\/glossary\/reverse-proxy-server\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/www.cloudflare.com\/learning\/cdn\/glossary\/reverse-proxy-server\/<\/a><\/p>\n<\/li>\n<\/ol>\n<p>\u603b\u4e4b\uff0c\u547d\u4ee4\u6ce8\u5165\u5bf9 Web \u5e94\u7528\u7a0b\u5e8f\u548c\u5e95\u5c42\u7cfb\u7edf\u6784\u6210\u4e86\u91cd\u5927\u5a01\u80c1\u3002\u4e86\u89e3\u547d\u4ee4\u6ce8\u5165\u7684\u8d77\u6e90\u3001\u5de5\u4f5c\u539f\u7406\u548c\u9884\u9632\u5bf9\u4e8e\u4fdd\u62a4 Web 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unauthorized system commands on a targeted server. It occurs when user input is not properly validated, and the input is directly used to construct system commands, enabling attackers to gain control over the server.<\/p>"},{"question":"How did Command injection originate?","answer":"<p>Command injection vulnerabilities have been identified since the early 2000s as web applications became more complex. The first mentions of this vulnerability date back to the early days of web development when web servers emerged in the 1990s.<\/p>"},{"question":"How does Command injection work?","answer":"<p>Command injection works by an attacker inserting malicious code or commands into user-provided input fields on a web application. The application, unaware of the manipulation, directly passes this tainted input to the underlying system shell, which blindly executes the injected commands, granting the attacker unauthorized access and control over the server.<\/p>"},{"question":"What are the main features of Command injection?","answer":"<p>The key features of Command injection include inadequate input validation, varying impact levels, platform independence, and context awareness in which user input is used to construct commands.<\/p>"},{"question":"What are the different types of Command injection?","answer":"<p>Command injection can be classified into various types, including Classic Command Injection, Blind Command Injection, Time-Based Blind Injection, Dynamic Evaluation, and Function Injection. Each type has unique characteristics and exploitation methods.<\/p>"},{"question":"How can Command injection be used, and what problems does it pose?","answer":"<p>Command injection can be used for data theft, system compromise, and data destruction. It poses significant problems for web applications, leading to unauthorized access, data breaches, and potential server compromise.<\/p>"},{"question":"How can Command injection vulnerabilities be prevented?","answer":"<p>Preventing Command injection involves implementing strict input validation, avoiding direct shell execution, using parameterized queries, and following the least privilege principle.<\/p>"},{"question":"How does Command injection compare to other vulnerabilities?","answer":"<p>Command injection differs from Code Injection, which targets application code, and SQL Injection, which targets databases. Command injection exploits system-level commands, while code injection manipulates application code.<\/p>"},{"question":"What are the future perspectives and technologies related to Command injection?","answer":"<p>Future technologies to combat Command injection may include static code analysis tools, intelligent web application firewalls, machine learning algorithms, and continuous security training for developers.<\/p>"},{"question":"How are proxy servers associated with Command injection?","answer":"<p>Proxy servers can indirectly facilitate Command injection if they fail to detect and filter malicious payloads, passing tainted requests to the backend server.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/476329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/476329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/476330"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=476329"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}