{"id":189362,"date":"2024-11-12T07:03:21","date_gmt":"2024-11-11T23:03:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189362\/"},"modified":"2024-11-12T07:03:22","modified_gmt":"2024-11-11T23:03:22","slug":"%e5%90%8c%e4%ba%8b%e9%83%bd%e8%aa%aa%e6%9c%89sql%e6%b3%a8%e5%85%a5%e9%a2%a8%e9%9a%aa%ef%bc%8c%e6%88%91%e9%9d%9e%e8%aa%aa%e6%b2%92%e6%9c%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189362\/","title":{"rendered":"\u540c\u4e8b\u90fd\u8aaa\u6709SQL\u6ce8\u5165\u98a8\u96aa\uff0c\u6211\u975e\u8aaa\u6c92\u6709"},"content":{"rendered":"<h1 id=\"%e5%90%8c%e4%ba%8b%e9%83%bd%e8%aa%aa%e6%9c%89sql%e6%b3%a8%e5%85%a5%e9%a2%a8%e9%9a%aa%ef%bc%8c%e6%88%91%e9%9d%9e%e8%aa%aa%e6%b2%92%e6%9c%89-xLKWpbTgzs\">\u540c\u4e8b\u90fd\u8aaa\u6709SQL\u6ce8\u5165\u98a8\u96aa\uff0c\u6211\u975e\u8aaa\u6c92\u6709<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u7db2\u7d61\u5b89\u5168\u6210\u70ba\u4e86\u4f01\u696d\u548c\u958b\u767c\u8005\u5fc5\u9808\u91cd\u8996\u7684\u8b70\u984c\u3002SQL\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\u7684\u5371\u5bb3\u6027\u4e0d\u5bb9\u5c0f\u89b7\uff0c\u7136\u800c\uff0c\u8a31\u591a\u4eba\u5c0d\u65bcSQL\u6ce8\u5165\u7684\u98a8\u96aa\u8a8d\u77e5\u5b58\u5728\u8aa4\u5340\uff0c\u751a\u81f3\u6709\u4e9b\u4eba\u8a8d\u70ba\u81ea\u5df1\u7684\u7cfb\u7d71\u4e0d\u6703\u53d7\u5230\u6b64\u985e\u653b\u64ca\u7684\u5f71\u97ff\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL\u6ce8\u5165\u7684\u98a8\u96aa\u53ca\u5176\u9632\u7bc4\u63aa\u65bd\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e6%b3%a8%e5%85%a5%ef%bc%9f-xLKWpbTgzs\">\u4ec0\u9ebc\u662fSQL\u6ce8\u5165\uff1f<\/h2>\n<p>SQL\u6ce8\u5165\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\u7372\u53d6\u654f\u611f\u6578\u64da\u3001\u522a\u9664\u6578\u64da\uff0c\u751a\u81f3\u5b8c\u5168\u63a7\u5236\u6578\u64da\u5eab\u3002\u9019\u7a2e\u653b\u64ca\u901a\u5e38\u767c\u751f\u5728\u61c9\u7528\u7a0b\u5e8f\u672a\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u9a57\u8b49\u548c\u904e\u6ffe\u6642\u3002<\/p>\n<h3 id=\"sql%e6%b3%a8%e5%85%a5%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-xLKWpbTgzs\">SQL\u6ce8\u5165\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>SQL\u6ce8\u5165\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u61c9\u7528\u7a0b\u5e8f\u5c0d\u7528\u6236\u8f38\u5165\u7684\u8655\u7406\u4e0d\u7576\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\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\u5b57\u6bb5\u4e2d\u8f38\u5165\uff1a<\/p>\n<pre><code>' OR '1'='1<\/code><\/pre>\n<p>\u90a3\u9ebc\u6700\u7d42\u7684SQL\u67e5\u8a62\u5c07\u8b8a\u6210\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&#8217;1&#8217;=&#8217;1&#8217;\u59cb\u7d42\u70ba\u771f\u3002<\/p>\n<h2 id=\"sql%e6%b3%a8%e5%85%a5%e7%9a%84%e9%a2%a8%e9%9a%aa-xLKWpbTgzs\">SQL\u6ce8\u5165\u7684\u98a8\u96aa<\/h2>\n<p>SQL\u6ce8\u5165\u7684\u98a8\u96aa\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u6d29\u9732\uff1a<\/strong>\u653b\u64ca\u8005\u53ef\u4ee5\u7372\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u5982\u7528\u6236\u540d\u3001\u5bc6\u78bc\u3001\u4fe1\u7528\u5361\u4fe1\u606f\u7b49\u3002<\/li>\n<li><strong>\u6578\u64da\u7be1\u6539\uff1a<\/strong>\u653b\u64ca\u8005\u53ef\u4ee5\u4fee\u6539\u6216\u522a\u9664\u6578\u64da\uff0c\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u4e1f\u5931\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u63a7\u5236\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u653b\u64ca\u8005\u751a\u81f3\u53ef\u4ee5\u7372\u5f97\u5c0d\u6578\u64da\u5eab\u7684\u5b8c\u5168\u63a7\u5236\u6b0a\uff0c\u9032\u4e00\u6b65\u767c\u52d5\u5176\u4ed6\u653b\u64ca\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%98%b2%e7%af%84sql%e6%b3%a8%e5%85%a5-xLKWpbTgzs\">\u5982\u4f55\u9632\u7bc4SQL\u6ce8\u5165<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u9632\u7bc4SQL\u6ce8\u5165\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>\u9810\u8655\u7406\u8a9e\u53e5\u53ef\u4ee5\u6709\u6548\u5730\u5c07\u7528\u6236\u8f38\u5165\u8207SQL\u67e5\u8a62\u5206\u96e2\uff0c\u5f9e\u800c\u9632\u6b62\u60e1\u610f\u4ee3\u78bc\u7684\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\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>\u6578\u64da\u5eab\u7528\u6236\u61c9\u8a72\u50c5\u64c1\u6709\u57f7\u884c\u5176\u4efb\u52d9\u6240\u9700\u7684\u6700\u5c0f\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\u53ca\u6642\u767c\u73fe\u548c\u4fee\u5fa9\u6f5b\u5728\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-xLKWpbTgzs\">\u7d50\u8ad6<\/h2>\n<p>\u96d6\u7136\u6709\u4e9b\u4eba\u53ef\u80fd\u8a8d\u70ba\u81ea\u5df1\u7684\u7cfb\u7d71\u4e0d\u6703\u53d7\u5230SQL\u6ce8\u5165\u7684\u5f71\u97ff\uff0c\u4f46\u4e8b\u5be6\u4e0a\uff0c\u4efb\u4f55\u4e00\u500b\u672a\u7d93\u5145\u5206\u4fdd\u8b77\u7684\u7cfb\u7d71\u90fd\u53ef\u80fd\u6210\u70ba\u653b\u64ca\u7684\u76ee\u6a19\u3002\u4e86\u89e3SQL\u6ce8\u5165\u7684\u98a8\u96aa\u53ca\u5176\u9632\u7bc4\u63aa\u65bd\u662f\u6bcf\u4f4d\u958b\u767c\u8005\u548c\u4f01\u696d\u4e3b\u7684\u8cac\u4efb\u3002\u901a\u904e\u63a1\u53d6\u9069\u7576\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u53ef\u4ee5\u5927\u5927\u964d\u4f4eSQL\u6ce8\u5165\u653b\u64ca\u7684\u98a8\u96aa\uff0c\u4fdd\u8b77\u4f01\u696d\u7684\u6578\u64da\u5b89\u5168\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<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>\u63a2\u8a0e\u540c\u4e8b\u5c0dSQL\u6ce8\u5165\u98a8\u96aa\u7684\u64d4\u6182\uff0c\u5206\u6790\u70ba\u4f55\u6211\u8a8d\u70ba\u4e0d\u5b58\u5728\u6b64\u98a8\u96aa\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5b89\u5168\u5efa\u8b70\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-189362","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189362","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=189362"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189362\/revisions"}],"predecessor-version":[{"id":189363,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189362\/revisions\/189363"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}