{"id":185680,"date":"2024-11-10T23:36:18","date_gmt":"2024-11-10T15:36:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185680\/"},"modified":"2024-11-10T23:36:19","modified_gmt":"2024-11-10T15:36:19","slug":"%e6%89%8b%e5%b7%a5sql%e6%b3%a8%e5%85%a5%e6%8e%a2%e7%a9%b6%ef%bc%9a%e5%a6%82%e4%bd%95%e9%80%9a%e9%81%8e%e6%ad%a4%e6%96%b9%e6%b3%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f%ef%bc%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185680\/","title":{"rendered":"\u624b\u5de5SQL\u6ce8\u5165\u63a2\u7a76\uff1a\u5982\u4f55\u901a\u904e\u6b64\u65b9\u6cd5\u67e5\u770b\u6578\u64da\u5eab\uff1f\uff08\u624b\u5de5sql\u6ce8\u5165\u67e5\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e6%89%8b%e5%b7%a5sql%e6%b3%a8%e5%85%a5%e6%8e%a2%e7%a9%b6%ef%bc%9a%e5%a6%82%e4%bd%95%e9%80%9a%e9%81%8e%e6%ad%a4%e6%96%b9%e6%b3%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f%ef%bc%88-ZrNBxgTuda\">\u624b\u5de5SQL\u6ce8\u5165\u63a2\u7a76\uff1a\u5982\u4f55\u901a\u904e\u6b64\u65b9\u6cd5\u67e5\u770b\u6578\u64da\u5eab\uff1f\uff08\u624b\u5de5sql\u6ce8\u5165\u67e5\u6578\u64da\u5eab\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u5b89\u5168\u74b0\u5883\u4e2d\uff0cSQL\u6ce8\u5165\uff08SQL Injection\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u653b\u64ca\u624b\u6cd5\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\u4f86\u8a2a\u554f\u548c\u64cd\u63a7\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u624b\u5de5SQL\u6ce8\u5165\u7684\u539f\u7406\u53ca\u5176\u5982\u4f55\u88ab\u7528\u4f86\u67e5\u770b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e6%b3%a8%e5%85%a5%ef%bc%9f-ZrNBxgTuda\">\u4ec0\u9ebc\u662fSQL\u6ce8\u5165\uff1f<\/h2>\n<p>SQL\u6ce8\u5165\u662f\u4e00\u7a2e\u5b89\u5168\u6f0f\u6d1e\uff0c\u901a\u5e38\u51fa\u73fe\u5728\u61c9\u7528\u7a0b\u5e8f\u672a\u80fd\u6b63\u78ba\u904e\u6ffe\u7528\u6236\u8f38\u5165\u7684\u60c5\u6cc1\u4e0b\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u5728\u8f38\u5165\u5b57\u6bb5\u4e2d\u63d2\u5165\u60e1\u610f\u7684SQL\u4ee3\u78bc\uff0c\u4f86\u64cd\u63a7\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u67e5\u8a62\u3002\u9019\u7a2e\u653b\u64ca\u65b9\u5f0f\u53ef\u4ee5\u5c0e\u81f4\u6578\u64da\u6d29\u9732\u3001\u6578\u64da\u640d\u58de\uff0c\u751a\u81f3\u5b8c\u5168\u63a7\u5236\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e6%89%8b%e5%b7%a5sql%e6%b3%a8%e5%85%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-ZrNBxgTuda\">\u624b\u5de5SQL\u6ce8\u5165\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u624b\u5de5SQL\u6ce8\u5165\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u8b58\u5225\u53ef\u6ce8\u5165\u7684\u8f38\u5165\u9ede\uff1a<\/strong>\u653b\u64ca\u8005\u9700\u8981\u627e\u5230\u53ef\u4ee5\u63a5\u53d7\u7528\u6236\u8f38\u5165\u7684\u5730\u65b9\uff0c\u4f8b\u5982\u767b\u9304\u8868\u55ae\u3001\u641c\u7d22\u6846\u6216URL\u53c3\u6578\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u6ce8\u5165\uff1a<\/strong>\u901a\u904e\u5728\u8f38\u5165\u5b57\u6bb5\u4e2d\u63d2\u5165\u7279\u5b9a\u7684SQL\u8a9e\u53e5\u4f86\u6e2c\u8a66\u61c9\u7528\u7a0b\u5e8f\u662f\u5426\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\u3002\u4f8b\u5982\uff0c\u8f38\u5165 <code>' OR '1'='1<\/code> \u4f86\u6aa2\u67e5\u662f\u5426\u80fd\u5920\u7e5e\u904e\u8eab\u4efd\u9a57\u8b49\u3002<\/li>\n<li><strong>\u63d0\u53d6\u6578\u64da\uff1a<\/strong>\u4e00\u65e6\u78ba\u8a8d\u5b58\u5728\u6f0f\u6d1e\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u63d0\u53d6\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 <code>UNION SELECT<\/code> \u8a9e\u53e5\u4f86\u5408\u4f75\u67e5\u8a62\uff0c\u5f9e\u800c\u7372\u53d6\u5176\u4ed6\u8868\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<\/ol>\n<h2 id=\"%e6%89%8b%e5%b7%a5sql%e6%b3%a8%e5%85%a5%e7%9a%84%e5%af%a6%e4%be%8b-ZrNBxgTuda\">\u624b\u5de5SQL\u6ce8\u5165\u7684\u5be6\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u624b\u5de5SQL\u6ce8\u5165\u793a\u4f8b\uff1a<\/p>\n<pre><code>http:\/\/example.com\/login.php?username=admin' -- &amp;password=12345<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u653b\u64ca\u8005\u5728\u7528\u6236\u540d\u5b57\u6bb5\u4e2d\u63d2\u5165\u4e86 <code>admin' --<\/code>\u3002\u9019\u6a23\u7684\u8f38\u5165\u6703\u4f7f\u5f97SQL\u67e5\u8a62\u8b8a\u6210\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'admin' -- ' AND password = '12345'<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>--<\/code> \u662fSQL\u4e2d\u7684\u8a3b\u91cb\u7b26\u865f\uff0c\u5f8c\u9762\u7684\u5bc6\u78bc\u6aa2\u67e5\u5c07\u88ab\u5ffd\u7565\uff0c\u5f9e\u800c\u4f7f\u653b\u64ca\u8005\u80fd\u5920\u7e5e\u904e\u8eab\u4efd\u9a57\u8b49\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%98%b2%e7%af%84sql%e6%b3%a8%e5%85%a5-ZrNBxgTuda\">\u5982\u4f55\u9632\u7bc4SQL\u6ce8\u5165<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62SQL\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\u9810\u8655\u7406\u8a9e\u53e5\uff1a<\/strong>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u548c\u53c3\u6578\u5316\u67e5\u8a62\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u3002<\/li>\n<li><strong>\u8f38\u5165\u9a57\u8b49\uff1a<\/strong>\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u56b4\u683c\u7684\u9a57\u8b49\u548c\u904e\u6ffe\uff0c\u78ba\u4fdd\u53ea\u63a5\u53d7\u5408\u6cd5\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\u5fc5\u8981\u64cd\u4f5c\u7684\u6b0a\u9650\uff0c\u964d\u4f4e\u6f5b\u5728\u640d\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZrNBxgTuda\">\u7d50\u8ad6<\/h2>\n<p>\u624b\u5de5SQL\u6ce8\u5165\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u653b\u64ca\u624b\u6bb5\uff0c\u80fd\u5920\u8b93\u653b\u64ca\u8005\u8f15\u6613\u5730\u8a2a\u554f\u548c\u64cd\u63a7\u6578\u64da\u5eab\u3002\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u9632\u7bc4\u63aa\u65bd\u5c0d\u65bc\u958b\u767c\u8005\u548c\u5b89\u5168\u5c08\u5bb6\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7db2\u7d61\u5b89\u5168\u5a01\u8105\u7684\u65e5\u76ca\u589e\u52a0\uff0c\u63a1\u53d6\u9069\u7576\u7684\u9632\u8b77\u63aa\u65bd\u662f\u4fdd\u8b77\u6578\u64da\u5b89\u5168\u7684\u5fc5\u8981\u6b65\u9a5f\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u3001<code>\u4f3a\u670d\u5668<\/code>\u3001<code>\u96f2\u4f3a\u670d\u5668<\/code>\u53ca<code>HOST<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a 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