{"id":167047,"date":"2024-11-05T21:55:29","date_gmt":"2024-11-05T13:55:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167047\/"},"modified":"2024-11-05T21:55:29","modified_gmt":"2024-11-05T13:55:29","slug":"%e5%88%a9%e7%94%a8mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b3%a8%e5%85%a5%e9%bb%9e%e4%be%86%e7%8d%b2%e5%be%97%e6%9b%b4%e5%a4%9a%e4%bf%a1%e6%81%af%e5%af%a6%e6%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167047\/","title":{"rendered":"\u5229\u7528MySQL\u6578\u64da\u5eab\u6ce8\u5165\u9ede\u4f86\u7372\u5f97\u66f4\u591a\u4fe1\u606f\u5be6\u64cd"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b3%a8%e5%85%a5%e9%bb%9e%e4%be%86%e7%8d%b2%e5%be%97%e6%9b%b4%e5%a4%9a%e4%bf%a1%e6%81%af%e5%af%a6%e6%93%8d-ayabzFumcM\">\u5229\u7528MySQL\u6578\u64da\u5eab\u6ce8\u5165\u9ede\u4f86\u7372\u5f97\u66f4\u591a\u4fe1\u606f\u5be6\u64cd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u5b89\u5168\u6027\u6210\u70ba\u4e86\u7db2\u7ad9\u958b\u767c\u548c\u904b\u71df\u4e2d\u4e0d\u53ef\u5ffd\u8996\u7684\u4e00\u74b0\u3002MySQL\u4f5c\u70ba\u6700\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u4e4b\u4e00\uff0c\u7d93\u5e38\u6210\u70ba\u653b\u64ca\u8005\u7684\u76ee\u6a19\u3002\u6578\u64da\u5eab\u6ce8\u5165\uff08SQL Injection\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u653b\u64ca\u624b\u6cd5\uff0c\u653b\u64ca\u8005\u901a\u904e\u5728SQL\u67e5\u8a62\u4e2d\u63d2\u5165\u60e1\u610f\u4ee3\u78bc\u4f86\u7372\u53d6\u672a\u7d93\u6388\u6b0a\u7684\u4fe1\u606f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528MySQL\u6578\u64da\u5eab\u6ce8\u5165\u9ede\u4f86\u7372\u5f97\u66f4\u591a\u4fe1\u606f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u64cd\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e6%b3%a8%e5%85%a5%ef%bc%9f-ayabzFumcM\">\u4ec0\u9ebc\u662fSQL\u6ce8\u5165\uff1f<\/h2>\n<p>SQL\u6ce8\u5165\u662f\u4e00\u7a2e\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u64cd\u7e31\u61c9\u7528\u7a0b\u5e8f\u7684SQL\u67e5\u8a62\u4f86\u57f7\u884c\u672a\u7d93\u6388\u6b0a\u7684\u64cd\u4f5c\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\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u9ede\u4f86\u7372\u53d6\u654f\u611f\u6578\u64da\u3001\u4fee\u6539\u6578\u64da\u5eab\u5167\u5bb9\uff0c\u751a\u81f3\u5b8c\u5168\u63a7\u5236\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"sql%e6%b3%a8%e5%85%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-ayabzFumcM\">SQL\u6ce8\u5165\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>SQL\u6ce8\u5165\u7684\u57fa\u672c\u539f\u7406\u662f\u901a\u904e\u5728\u7528\u6236\u8f38\u5165\u7684\u6578\u64da\u4e2d\u63d2\u5165SQL\u8a9e\u53e5\u4f86\u6539\u8b8a\u539f\u6709\u7684\u67e5\u8a62\u908f\u8f2f\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u4e00\u500b\u767b\u9304\u8868\u55ae\u7684SQL\u67e5\u8a62\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\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\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\u59cb\u7d42\u8fd4\u56de\u771f\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%e5%88%a9%e7%94%a8sql%e6%b3%a8%e5%85%a5%e7%8d%b2%e5%8f%96%e6%9b%b4%e5%a4%9a%e4%bf%a1%e6%81%af-ayabzFumcM\">\u5982\u4f55\u5229\u7528SQL\u6ce8\u5165\u7372\u53d6\u66f4\u591a\u4fe1\u606f<\/h2>\n<p>\u4e00\u65e6\u653b\u64ca\u8005\u6210\u529f\u9032\u884cSQL\u6ce8\u5165\uff0c\u4ed6\u5011\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u6280\u8853\u4f86\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6280\u8853\uff1a<\/p>\n<h3 id=\"1-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%89%88%e6%9c%ac-ayabzFumcM\">1. \u7372\u53d6\u6578\u64da\u5eab\u7248\u672c<\/h3>\n<p>\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u7248\u672c\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT @@version;<\/code><\/pre>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e8%a1%a8%e5%90%8d-ayabzFumcM\">2. \u7372\u53d6\u6578\u64da\u8868\u540d<\/h3>\n<p>\u653b\u64ca\u8005\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u540d\uff1a<\/p>\n<pre><code>SELECT table_name FROM information_schema.tables WHERE table_schema = 'your_database_name';<\/code><\/pre>\n<h3 id=\"3-%e7%8d%b2%e5%8f%96%e5%88%97%e5%90%8d-ayabzFumcM\">3. \u7372\u53d6\u5217\u540d<\/h3>\n<p>\u4e00\u65e6\u77e5\u9053\u4e86\u8868\u540d\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u9032\u4e00\u6b65\u7372\u53d6\u8a72\u8868\u4e2d\u7684\u5217\u540d\uff1a<\/p>\n<pre><code>SELECT column_name FROM information_schema.columns WHERE table_name = 'your_table_name';<\/code><\/pre>\n<h3 id=\"4-%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a-ayabzFumcM\">4. \u7372\u53d6\u6578\u64da<\/h3>\n<p>\u6700\u5f8c\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u7372\u53d6\u7279\u5b9a\u8868\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM your_table_name;<\/code><\/pre>\n<h2 id=\"%e9%98%b2%e7%af%84sql%e6%b3%a8%e5%85%a5%e7%9a%84%e6%8e%aa%e6%96%bd-ayabzFumcM\">\u9632\u7bc4SQL\u6ce8\u5165\u7684\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\uff0c\u958b\u767c\u8005\u61c9\u63a1\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\uff08Prepared Statements\uff09\u548c\u53c3\u6578\u5316\u67e5\u8a62\u3002<\/li>\n<li>\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u56b4\u683c\u7684\u9a57\u8b49\u548c\u904e\u6ffe\u3002<\/li>\n<li>\u9650\u5236\u6578\u64da\u5eab\u7528\u6236\u7684\u6b0a\u9650\uff0c\u78ba\u4fdd\u5176\u50c5\u80fd\u8a2a\u554f\u5fc5\u8981\u7684\u6578\u64da\u3002<\/li>\n<li>\u5b9a\u671f\u9032\u884c\u5b89\u5168\u6e2c\u8a66\u548c\u4ee3\u78bc\u5be9\u67e5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ayabzFumcM\">\u7e3d\u7d50<\/h2>\n<p>SQL\u6ce8\u5165\u662f\u4e00\u7a2e\u5371\u96aa\u7684\u653b\u64ca\u624b\u6cd5\uff0c\u80fd\u5920\u8b93\u653b\u64ca\u8005\u7372\u53d6\u654f\u611f\u4fe1\u606f\u3002\u4e86\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u9632\u7bc4\u63aa\u65bd\u5c0d\u65bc\u4fdd\u8b77\u6578\u64da\u5eab\u5b89\u5168\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u548c\u56b4\u683c\u7684\u8f38\u5165\u9a57\u8b49\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4eSQL\u6ce8\u5165\u7684\u98a8\u96aa\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5229\u7528MySQL\u6578\u64da\u5eab\u6ce8\u5165\u9ede\u9032\u884c\u5be6\u64cd\uff0c\u7372\u53d6\u66f4\u591a\u4fe1\u606f\uff0c\u63d0\u5347\u5b89\u5168\u6e2c\u8a66\u6280\u80fd\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-167047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167047","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=167047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167047\/revisions"}],"predecessor-version":[{"id":167048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167047\/revisions\/167048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}