{"id":66397,"date":"2024-10-14T17:10:38","date_gmt":"2024-10-14T09:10:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66397\/"},"modified":"2024-10-14T17:10:38","modified_gmt":"2024-10-14T09:10:38","slug":"mssql%e6%b3%a8%e5%85%a5%e6%94%bb%e6%93%8a%e4%b9%8b%e6%9f%a5%e8%a9%a2%e7%94%a8%e6%88%b6%e5%90%8d%e6%bc%8f%e6%b4%9e%ef%bc%88mssql%e6%b3%a8%e5%85%a5%e6%9f%a5%e7%94%a8%e6%88%b6%e5%90%8d%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66397\/","title":{"rendered":"MSSQL\u6ce8\u5165\u653b\u64ca\u4e4b\u67e5\u8a62\u7528\u6236\u540d\u6f0f\u6d1e\uff08mssql\u6ce8\u5165\u67e5\u7528\u6236\u540d\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%b3%a8%e5%85%a5%e6%94%bb%e6%93%8a%e4%b9%8b%e6%9f%a5%e8%a9%a2%e7%94%a8%e6%88%b6%e5%90%8d%e6%bc%8f%e6%b4%9e%ef%bc%88mssql%e6%b3%a8%e5%85%a5%e6%9f%a5%e7%94%a8%e6%88%b6%e5%90%8d%ef%bc%89-RLjnhRlgec\">MSSQL\u6ce8\u5165\u653b\u64ca\u4e4b\u67e5\u8a62\u7528\u6236\u540d\u6f0f\u6d1e\uff08mssql\u6ce8\u5165\u67e5\u7528\u6236\u540d\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u5b89\u5168\u74b0\u5883\u4e2d\uff0cSQL\u6ce8\u5165\u653b\u64ca\u4ecd\u7136\u662f\u6700\u5e38\u898b\u7684\u653b\u64ca\u65b9\u5f0f\u4e4b\u4e00\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u67e5\u8a62\u7528\u6236\u540d\u7684\u6f0f\u6d1e\u4f86\u7372\u53d6\u654f\u611f\u4fe1\u606f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMSSQL\u6ce8\u5165\u653b\u64ca\u7684\u539f\u7406\u3001\u5f71\u97ff\u53ca\u9632\u7bc4\u63aa\u65bd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmssql%e6%b3%a8%e5%85%a5%e6%94%bb%e6%93%8a%ef%bc%9f-RLjnhRlgec\">\u4ec0\u9ebc\u662fMSSQL\u6ce8\u5165\u653b\u64ca\uff1f<\/h2>\n<p>MSSQL\u6ce8\u5165\u653b\u64ca\u662f\u4e00\u7a2e\u901a\u904e\u5c07\u60e1\u610fSQL\u4ee3\u78bc\u63d2\u5165\u5230\u67e5\u8a62\u4e2d\u4f86\u64cd\u63a7\u6578\u64da\u5eab\u7684\u653b\u64ca\u65b9\u5f0f\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u9019\u7a2e\u65b9\u5f0f\u4f86\u57f7\u884c\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u67e5\u8a62\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\u3002\u9019\u7a2e\u653b\u64ca\u901a\u5e38\u767c\u751f\u5728\u61c9\u7528\u7a0b\u5f0f\u672a\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u9a57\u8b49\u548c\u904e\u6ffe\u6642\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e7%94%a8%e6%88%b6%e5%90%8d%e6%bc%8f%e6%b4%9e%e7%9a%84%e9%81%8b%e4%bd%9c%e5%8e%9f%e7%90%86-RLjnhRlgec\">\u67e5\u8a62\u7528\u6236\u540d\u6f0f\u6d1e\u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<p>\u67e5\u8a62\u7528\u6236\u540d\u6f0f\u6d1e\u901a\u5e38\u767c\u751f\u5728\u7528\u6236\u767b\u9304\u6216\u8a3b\u518a\u7684\u904e\u7a0b\u4e2d\u3002\u7576\u61c9\u7528\u7a0b\u5f0f\u63a5\u6536\u7528\u6236\u8f38\u5165\u7684\u7528\u6236\u540d\u6642\uff0c\u5982\u679c\u6c92\u6709\u5c0d\u8a72\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u8655\u7406\uff0c\u653b\u64ca\u8005\u5c31\u53ef\u4ee5\u63d2\u5165\u60e1\u610f\u7684SQL\u4ee3\u78bc\u3002\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b\u7684SQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM Users WHERE username = 'user_input'<\/code><\/pre>\n<p>\u5982\u679c\u7528\u6236\u8f38\u5165\u7684\u5167\u5bb9\u662f\uff1a<\/p>\n<pre><code>' OR '1'='1<\/code><\/pre>\n<p>\u90a3\u9ebc\u6700\u7d42\u7684SQL\u67e5\u8a62\u5c07\u8b8a\u70ba\uff1a<\/p>\n<pre><code>SELECT * FROM Users WHERE username = '' OR '1'='1'<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u6578\u64da\uff0c\u56e0\u70ba\u689d\u4ef6\u59cb\u7d42\u70ba\u771f\u3002\u9019\u5c31\u662fMSSQL\u6ce8\u5165\u653b\u64ca\u7684\u57fa\u672c\u539f\u7406\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf%e8%88%87%e5%be%8c%e6%9e%9c-RLjnhRlgec\">\u5f71\u97ff\u8207\u5f8c\u679c<\/h2>\n<p>MSSQL\u6ce8\u5165\u653b\u64ca\u7684\u5f71\u97ff\u53ef\u80fd\u662f\u707d\u96e3\u6027\u7684\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u7372\u53d6\u7528\u6236\u7684\u654f\u611f\u4fe1\u606f\uff0c\u5982\u5bc6\u78bc\u3001\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u548c\u5176\u4ed6\u500b\u4eba\u6578\u64da\u3002\u6b64\u5916\uff0c\u653b\u64ca\u8005\u9084\u53ef\u4ee5\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u751a\u81f3\u522a\u9664\u6574\u500b\u6578\u64da\u8868\uff0c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5f0f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%af%84%e6%8e%aa%e6%96%bd-RLjnhRlgec\">\u9632\u7bc4\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62MSSQL\u6ce8\u5165\u653b\u64ca\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff1a<\/strong>\u9019\u662f\u9632\u6b62SQL\u6ce8\u5165\u7684\u6700\u6709\u6548\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u904e\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u8f38\u5165\u4e0d\u6703\u88ab\u89e3\u91cb\u70baSQL\u4ee3\u78bc\u3002<\/li>\n<li><strong>\u8f38\u5165\u9a57\u8b49\uff1a<\/strong>\u5c0d\u6240\u6709\u7528\u6236\u8f38\u5165\u9032\u884c\u56b4\u683c\u7684\u9a57\u8b49\u548c\u904e\u6ffe\uff0c\u78ba\u4fdd\u53ea\u63a5\u53d7\u9810\u671f\u683c\u5f0f\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6700\u5c0f\u6b0a\u9650\u539f\u5247\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5eab\u7528\u6236\u50c5\u64c1\u6709\u57f7\u884c\u5176\u4efb\u52d9\u6240\u9700\u7684\u6700\u4f4e\u6b0a\u9650\uff0c\u9019\u6a23\u5373\u4f7f\u767c\u751f\u653b\u64ca\uff0c\u640d\u5931\u4e5f\u6703\u964d\u5230\u6700\u4f4e\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5b89\u5168\u6e2c\u8a66\uff1a<\/strong>\u5b9a\u671f\u9032\u884c\u5b89\u5168\u6e2c\u8a66\u548c\u4ee3\u78bc\u5be9\u67e5\uff0c\u4ee5\u767c\u73fe\u6f5b\u5728\u7684\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-RLjnhRlgec\">\u7d50\u8ad6<\/h2>\n<p>MSSQL\u6ce8\u5165\u653b\u64ca\u662f\u4e00\u7a2e\u56b4\u91cd\u7684\u5b89\u5168\u5a01\u8105\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u7528\u6236\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u901a\u904e\u4e86\u89e3\u5176\u904b\u4f5c\u539f\u7406\u548c\u5f71\u97ff\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u6709\u6548\u7684\u9632\u7bc4\u63aa\u65bd\u4f86\u4fdd\u8b77\u7cfb\u7d71\u7684\u5b89\u5168\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u5b89\u5168\u6027\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u6216<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MSSQL\u6ce8\u5165\u653b\u64ca\u4e2d\u7684\u67e5\u8a62\u7528\u6236\u540d\u6f0f\u6d1e\uff0c\u63a2\u7d22\u5176\u539f\u7406\u3001\u5f71\u97ff\u53ca\u9632\u7bc4\u63aa\u65bd\uff0c\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66397","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66397"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66397\/revisions"}],"predecessor-version":[{"id":66398,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66397\/revisions\/66398"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}