{"id":76732,"date":"2024-10-16T09:22:17","date_gmt":"2024-10-16T01:22:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76732\/"},"modified":"2024-10-16T09:22:17","modified_gmt":"2024-10-16T01:22:17","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%8f%a6%e9%a1%9e%e7%9b%b2%e6%b3%a8%e7%9a%84%e4%b8%80%e4%ba%9b%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76732\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u4e2d\u53e6\u985e\u76f2\u6ce8\u7684\u4e00\u4e9b\u6280\u5de7"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%8f%a6%e9%a1%9e%e7%9b%b2%e6%b3%a8%e7%9a%84%e4%b8%80%e4%ba%9b%e6%8a%80%e5%b7%a7-BemgccKorW\">MySQL\u6578\u64da\u5eab\u4e2d\u53e6\u985e\u76f2\u6ce8\u7684\u4e00\u4e9b\u6280\u5de7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u5b89\u5168\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u7d93\u5e38\u6210\u70ba\u653b\u64ca\u8005\u7684\u76ee\u6a19\u3002\u76f2\u6ce8\uff08Blind Injection\uff09\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u653b\u64ca\u624b\u6cd5\uff0c\u653b\u64ca\u8005\u901a\u904e\u5411\u6578\u64da\u5eab\u767c\u9001\u7279\u88fd\u7684\u8acb\u6c42\u4f86\u7372\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u770b\u5230\u6578\u64da\u5eab\u7684\u8fd4\u56de\u7d50\u679c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5728MySQL\u6578\u64da\u5eab\u4e2d\u9032\u884c\u53e6\u985e\u76f2\u6ce8\u7684\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%9b%b2%e6%b3%a8%ef%bc%9f-BemgccKorW\">\u4ec0\u9ebc\u662f\u76f2\u6ce8\uff1f<\/h2>\n<p>\u76f2\u6ce8\u662f\u4e00\u7a2eSQL\u6ce8\u5165\u653b\u64ca\uff0c\u7576\u653b\u64ca\u8005\u7121\u6cd5\u76f4\u63a5\u770b\u5230\u6578\u64da\u5eab\u7684\u932f\u8aa4\u4fe1\u606f\u6216\u8fd4\u56de\u6578\u64da\u6642\uff0c\u4ecd\u7136\u53ef\u4ee5\u901a\u904e\u89c0\u5bdf\u61c9\u7528\u7a0b\u5e8f\u7684\u884c\u70ba\u4f86\u63a8\u65b7\u6578\u64da\u3002\u9019\u7a2e\u653b\u64ca\u901a\u5e38\u5206\u70ba\u5169\u7a2e\u4e3b\u8981\u985e\u578b\uff1a\u57fa\u65bc\u5e03\u723e\u7684\u76f2\u6ce8\u548c\u57fa\u65bc\u6642\u9593\u7684\u76f2\u6ce8\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%96%bc%e5%b8%83%e7%88%be%e7%9a%84%e7%9b%b2%e6%b3%a8-BemgccKorW\">\u57fa\u65bc\u5e03\u723e\u7684\u76f2\u6ce8<\/h3>\n<p>\u5728\u57fa\u65bc\u5e03\u723e\u7684\u76f2\u6ce8\u4e2d\uff0c\u653b\u64ca\u8005\u901a\u904e\u767c\u9001\u7279\u5b9a\u7684SQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u67d0\u500b\u689d\u4ef6\u662f\u5426\u70ba\u771f\u6216\u5047\u3002\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u63a8\u65b7\u51fa\u6578\u64da\u7684\u5b58\u5728\u8207\u5426\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'admin' AND (SELECT SUBSTRING(password,1,1) FROM users WHERE username='admin') = 'a';\n<\/code><\/pre>\n<p>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u8fd4\u56de\u7684\u7d50\u679c\u662f\u201c\u7121\u6cd5\u627e\u5230\u7528\u6236\u201d\uff0c\u5247\u653b\u64ca\u8005\u77e5\u9053\u7b2c\u4e00\u500b\u5b57\u7b26\u4e0d\u662f&#8217;a&#8217;\u3002\u9019\u6a23\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u9010\u6b65\u731c\u6e2c\u5bc6\u78bc\u7684\u6bcf\u4e00\u500b\u5b57\u7b26\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%96%bc%e6%99%82%e9%96%93%e7%9a%84%e7%9b%b2%e6%b3%a8-BemgccKorW\">\u57fa\u65bc\u6642\u9593\u7684\u76f2\u6ce8<\/h3>\n<p>\u57fa\u65bc\u6642\u9593\u7684\u76f2\u6ce8\u5247\u662f\u901a\u904e\u5ef6\u9072\u97ff\u61c9\u4f86\u7372\u53d6\u4fe1\u606f\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u4f7f\u7528SQL\u7684\u5ef6\u9072\u51fd\u6578\u4f86\u4f7f\u6578\u64da\u5eab\u5728\u7279\u5b9a\u689d\u4ef6\u4e0b\u5ef6\u9072\u97ff\u61c9\uff0c\u5f9e\u800c\u63a8\u65b7\u51fa\u6578\u64da\u7684\u5b58\u5728\u3002<\/p>\n<pre><code>SELECT IF((SELECT SUBSTRING(password,1,1) FROM users WHERE username='admin') = 'a', SLEEP(5), 0);\n<\/code><\/pre>\n<p>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u7684\u97ff\u61c9\u5ef6\u9072\u4e865\u79d2\uff0c\u5247\u653b\u64ca\u8005\u77e5\u9053\u7b2c\u4e00\u500b\u5b57\u7b26\u662f&#8217;a&#8217;\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u7121\u6cd5\u76f4\u63a5\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%8f%a6%e9%a1%9e%e7%9b%b2%e6%b3%a8%e6%8a%80%e5%b7%a7-BemgccKorW\">\u53e6\u985e\u76f2\u6ce8\u6280\u5de7<\/h2>\n<h3 id=\"%e4%bd%bf%e7%94%a8union%e6%9f%a5%e8%a9%a2-BemgccKorW\">\u4f7f\u7528UNION\u67e5\u8a62<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528UNION\u67e5\u8a62\u4f86\u7372\u53d6\u66f4\u591a\u7684\u4fe1\u606f\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u653b\u64ca\u8005\u5728\u76f2\u6ce8\u7684\u904e\u7a0b\u4e2d\u7372\u53d6\u5176\u4ed6\u8868\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE id = 1 UNION SELECT username, password FROM users;\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u5728\u4e0d\u76f4\u63a5\u770b\u5230\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\uff0c\u901a\u904e\u89c0\u5bdf\u61c9\u7528\u7a0b\u5e8f\u7684\u884c\u70ba\u4f86\u63a8\u65b7\u51fa\u5176\u4ed6\u7528\u6236\u7684\u5bc6\u78bc\u3002<\/p>\n<h3 id=\"%e5%88%a9%e7%94%a8%e9%8c%af%e8%aa%a4%e4%bf%a1%e6%81%af-BemgccKorW\">\u5229\u7528\u932f\u8aa4\u4fe1\u606f<\/h3>\n<p>\u5373\u4f7f\u5728\u76f2\u6ce8\u4e2d\uff0c\u653b\u64ca\u8005\u4e5f\u53ef\u4ee5\u5229\u7528\u4e00\u4e9b\u932f\u8aa4\u4fe1\u606f\u4f86\u7372\u53d6\u7dda\u7d22\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u6703\u5728\u67e5\u8a62\u5931\u6557\u6642\u8fd4\u56de\u7279\u5b9a\u7684\u932f\u8aa4\u4ee3\u78bc\uff0c\u9019\u4e9b\u4ee3\u78bc\u53ef\u4ee5\u5e6b\u52a9\u653b\u64ca\u8005\u63a8\u65b7\u51fa\u6578\u64da\u7684\u7d50\u69cb\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%af%84%e6%8e%aa%e6%96%bd-BemgccKorW\">\u9632\u7bc4\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u9632\u6b62\u76f2\u6ce8\u653b\u64ca\uff0c\u958b\u767c\u8005\u61c9\u8a72\u63a1\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff0c\u907f\u514d\u76f4\u63a5\u62fc\u63a5SQL\u8a9e\u53e5\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\u7684\u932f\u8aa4\u4fe1\u606f\u8fd4\u56de\uff0c\u907f\u514d\u6cc4\u9732\u654f\u611f\u4fe1\u606f\u3002<\/li>\n<li>\u5b9a\u671f\u9032\u884c\u5b89\u5168\u6e2c\u8a66\uff0c\u53ca\u6642\u4fee\u88dc\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BemgccKorW\">\u7e3d\u7d50<\/h2>\n<p>\u76f2\u6ce8\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u653b\u64ca\u624b\u6cd5\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u6280\u5de7\u4f86\u7372\u53d6\u654f\u611f\u4fe1\u606f\u3002\u4e86\u89e3\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u6709\u52a9\u65bc\u5b89\u5168\u5c08\u5bb6\u52a0\u5f37\u9632\u7bc4\u63aa\u65bd\uff0c\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u8a2d\u8a08\u66f4\u5b89\u5168\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u5b89\u5168\u6027\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u900f\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u7ba1\u7406\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u76f2\u6ce8\u7b49\u653b\u64ca\u7684\u98a8\u96aa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6578\u64da\u5eab\u4e2d\u53e6\u985e\u76f2\u6ce8\u7684\u6280\u5de7\uff0c\u63d0\u5347\u5b89\u5168\u6027\u8207\u6578\u64da\u4fdd\u8b77\uff0c\u9632\u7bc4\u6f5b\u5728\u7684\u653b\u64ca\u98a8\u96aa\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-76732","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76732","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=76732"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76732\/revisions"}],"predecessor-version":[{"id":76733,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76732\/revisions\/76733"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}