{"id":191840,"date":"2024-11-12T17:16:20","date_gmt":"2024-11-12T09:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/191840\/"},"modified":"2024-11-12T17:16:22","modified_gmt":"2024-11-12T09:16:22","slug":"%e8%a9%b3%e8%a7%a3sql%e8%aa%9e%e5%8f%a5%e5%af%86%e7%a2%bc%e9%a9%97%e8%ad%89%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/191840\/","title":{"rendered":"\u8a73\u89e3Sql\u8a9e\u53e5\u5bc6\u78bc\u9a57\u8b49\u5b89\u5168\u6f0f\u6d1e"},"content":{"rendered":"<h1 id=\"%e8%a9%b3%e8%a7%a3sql%e8%aa%9e%e5%8f%a5%e5%af%86%e7%a2%bc%e9%a9%97%e8%ad%89%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e-XghtJllBsg\">\u8a73\u89e3SQL\u8a9e\u53e5\u5bc6\u78bc\u9a57\u8b49\u5b89\u5168\u6f0f\u6d1e<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u6578\u64da\u5b89\u5168\u6210\u70ba\u4e86\u4f01\u696d\u548c\u500b\u4eba\u6700\u95dc\u6ce8\u7684\u8b70\u984c\u4e4b\u4e00\u3002SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u7528\u65bc\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u4e3b\u8981\u8a9e\u8a00\uff0c\u7136\u800c\uff0c\u82e5\u4f7f\u7528\u4e0d\u7576\uff0cSQL\u8a9e\u53e5\u53ef\u80fd\u6703\u6210\u70ba\u5b89\u5168\u6f0f\u6d1e\u7684\u6eab\u5e8a\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL\u8a9e\u53e5\u5728\u5bc6\u78bc\u9a57\u8b49\u904e\u7a0b\u4e2d\u53ef\u80fd\u51fa\u73fe\u7684\u5b89\u5168\u6f0f\u6d1e\u53ca\u5176\u9632\u7bc4\u63aa\u65bd\u3002<\/p>\n<h2 id=\"sql%e6%b3%a8%e5%85%a5%e6%94%bb%e6%93%8a%e6%a6%82%e8%bf%b0-XghtJllBsg\">SQL\u6ce8\u5165\u653b\u64ca\u6982\u8ff0<\/h2>\n<p>SQL\u6ce8\u5165\uff08SQL Injection\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u7db2\u7d61\u653b\u64ca\u624b\u6cd5\uff0c\u653b\u64ca\u8005\u901a\u904e\u5728SQL\u67e5\u8a62\u4e2d\u63d2\u5165\u60e1\u610f\u4ee3\u78bc\uff0c\u4f86\u64cd\u63a7\u6578\u64da\u5eab\u3002\u9019\u7a2e\u653b\u64ca\u65b9\u5f0f\u901a\u5e38\u767c\u751f\u5728\u7528\u6236\u8f38\u5165\u672a\u7d93\u904e\u6ffe\u7684\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u5728\u767b\u9304\u6216\u8a3b\u518a\u7b49\u9700\u8981\u7528\u6236\u8f38\u5165\u5bc6\u78bc\u7684\u5834\u666f\u4e2d\u3002<\/p>\n<h3 id=\"%e6%94%bb%e6%93%8a%e7%a4%ba%e4%be%8b-XghtJllBsg\">\u653b\u64ca\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u4e00\u500b\u7c21\u55ae\u7684\u7528\u6236\u767b\u9304\u7cfb\u7d71\uff0c\u5176SQL\u67e5\u8a62\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'user' AND password = 'pass';<\/code><\/pre>\n<p>\u5982\u679c\u653b\u64ca\u8005\u5728\u7528\u6236\u540d\u6216\u5bc6\u78bc\u5b57\u6bb5\u4e2d\u8f38\u5165\u4ee5\u4e0b\u5167\u5bb9\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'; --' AND password = 'pass';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u7684\u6578\u64da\uff0c\u56e0\u70ba\u689d\u4ef6 &#8216;1&#8217;=&#8217;1&#8242; \u6c38\u9060\u70ba\u771f\uff0c\u653b\u64ca\u8005\u56e0\u6b64\u53ef\u4ee5\u7e5e\u904e\u8eab\u4efd\u9a57\u8b49\u3002<\/p>\n<h2 id=\"%e5%af%86%e7%a2%bc%e9%a9%97%e8%ad%89%e4%b8%ad%e7%9a%84%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e-XghtJllBsg\">\u5bc6\u78bc\u9a57\u8b49\u4e2d\u7684\u5b89\u5168\u6f0f\u6d1e<\/h2>\n<p>\u5728\u5bc6\u78bc\u9a57\u8b49\u904e\u7a0b\u4e2d\uff0c\u82e5\u672a\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u8655\u7406\uff0c\u5c07\u6703\u5c0e\u81f4SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5b89\u5168\u6f0f\u6d1e\uff1a<\/p>\n<ul>\n<li><strong>\u672a\u7d93\u904e\u6ffe\u7684\u7528\u6236\u8f38\u5165\uff1a<\/strong>\u76f4\u63a5\u5c07\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u5d4c\u5165\u5230SQL\u67e5\u8a62\u4e2d\uff0c\u672a\u9032\u884c\u4efb\u4f55\u904e\u6ffe\u6216\u8f49\u7fa9\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e0d\u5b89\u5168\u7684API\uff1a<\/strong>\u67d0\u4e9b\u820a\u7248\u7684\u6578\u64da\u5eabAPI\u53ef\u80fd\u4e0d\u652f\u6301\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u9019\u4f7f\u5f97\u958b\u767c\u8005\u66f4\u5bb9\u6613\u72af\u932f\u3002<\/li>\n<li><strong>\u932f\u8aa4\u7684\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u4e0d\u7576\u7684\u932f\u8aa4\u8655\u7406\u53ef\u80fd\u6703\u6d29\u9732\u6578\u64da\u5eab\u7d50\u69cb\u6216\u5176\u4ed6\u654f\u611f\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%98%b2%e7%af%84%e6%8e%aa%e6%96%bd-XghtJllBsg\">\u9632\u7bc4\u63aa\u65bd<\/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\u53c3\u6578\u5316\u67e5\u8a62\uff1a<\/strong>\u9019\u662f\u9632\u6b62SQL\u6ce8\u5165\u7684\u6700\u6709\u6548\u65b9\u6cd5\u3002\u901a\u904e\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u4e0d\u6703\u88ab\u7576\u4f5cSQL\u4ee3\u78bc\u57f7\u884c\u3002<\/li>\n<li><strong>\u8f38\u5165\u9a57\u8b49\uff1a<\/strong>\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u56b4\u683c\u7684\u9a57\u8b49\uff0c\u78ba\u4fdd\u5176\u7b26\u5408\u9810\u671f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u61c9\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u9032\u884c\u6aa2\u67e5\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\u9019\u6a23\u5373\u4f7f\u767c\u751f\u653b\u64ca\uff0c\u640d\u5931\u4e5f\u80fd\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\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-XghtJllBsg\">\u7d50\u8ad6<\/h2>\n<p>SQL\u8a9e\u53e5\u5bc6\u78bc\u9a57\u8b49\u4e2d\u7684\u5b89\u5168\u6f0f\u6d1e\u662f\u4e00\u500b\u4e0d\u5bb9\u5ffd\u8996\u7684\u554f\u984c\u3002\u901a\u904e\u4e86\u89e3SQL\u6ce8\u5165\u7684\u539f\u7406\u53ca\u5176\u6f5b\u5728\u98a8\u96aa\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u6709\u6548\u7684\u9632\u7bc4\u63aa\u65bd\u4f86\u4fdd\u8b77\u7cfb\u7d71\u5b89\u5168\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u624b\u6cd5\u7684\u4e0d\u65b7\u6f14\u8b8a\uff0c\u4fdd\u6301\u8b66\u60d5\u4e26\u6301\u7e8c\u66f4\u65b0\u5b89\u5168\u7b56\u7565\u662f\u6bcf\u500b\u958b\u767c\u8005\u7684\u8cac\u4efb\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a73\u89e3SQL\u8a9e\u53e5\u5bc6\u78bc\u9a57\u8b49\u5b89\u5168\u6f0f\u6d1e\uff0c\u63a2\u8a0e\u5176\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u9632\u7bc4\u63aa\u65bd\uff0c\u63d0\u5347\u7cfb\u7d71\u5b89\u5168\u6027\uff0c\u4fdd\u8b77\u7528\u6236\u8cc7\u6599\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-191840","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191840","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=191840"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191840\/revisions"}],"predecessor-version":[{"id":191841,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/191840\/revisions\/191841"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=191840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=191840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=191840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}