{"id":174,"date":"2023-03-19T20:08:21","date_gmt":"2023-03-19T12:08:21","guid":{"rendered":"https:\/\/blog.byzhb.top\/?p=174"},"modified":"2023-03-19T20:16:52","modified_gmt":"2023-03-19T12:16:52","slug":"sqll","status":"publish","type":"post","link":"https:\/\/blog.byzhb.top\/index.php\/2023\/03\/19\/sqll\/","title":{"rendered":"SQL\u6ce8\u5165\u4e4b\u4e34\u65f6\u8868"},"content":{"rendered":"<h1 id=\"%E4%B8%80%E3%80%81%E4%BB%80%E4%B9%88%E6%98%AF%E4%B8%B4%E6%97%B6%E8%A1%A8%EF%BC%9A\">\u4e00\u3001\u4ec0\u4e48\u662f\u4e34\u65f6\u8868\uff1a<\/h1>\n<ul>\n<li>\u662f\u5efa\u7acb\u5728\u7cfb\u7edf\u4e34\u65f6\u6587\u4ef6\u5939\u4e2d\u7684\u8868\uff1b<\/li>\n<li>\u53ea\u5728\u5f53\u524d\u8fde\u63a5\u53ef\u89c1\uff0c\u5f53\u5173\u95ed\u8fde\u63a5\u65f6\uff0cMySQL\u4f1a\u81ea\u52a8\u5220\u9664\u8868\u5e76\u91ca\u653e\u6240\u6709\u7a7a\u95f4\uff1b<\/li>\n<li>\u5982\u679c\u4f7f\u7528\u4e86\u5176\u4ed6MySQL\u5ba2\u6237\u7aef\u7a0b\u5e8f\u8fde\u63a5MySQL\u6570\u636e\u5e93\u670d\u52a1\u5668\u6765\u521b\u5efa\u4e34\u65f6\u8868\uff0c\u90a3\u4e48\u53ea\u6709\u5728\u5173\u95ed\u5ba2\u6237\u7aef\u7a0b\u5e8f\u65f6\u624d\u4f1a\u9500\u6bc1\u4e34\u65f6\u8868<\/li>\n<\/ul>\n<h1>\u4e8c\u3001\u4e34\u65f6\u8868\u751f\u6210\u573a\u666f\uff1a<\/h1>\n<h2>\u8be5\u5b9e\u9a8c\u7684\u539f\u59cb\u8868\u683c\u4e3a:<\/h2>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/16d18e6dff55450fa02d457b1f5ab5fe-300x134.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-177\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/16d18e6dff55450fa02d457b1f5ab5fe-300x134.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"300\" height=\"134\"  sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div><\/p>\n<h2>\u6027\u8d281\uff1a<\/h2>\n<p>\u5f53\u6211\u4eec\u67e5\u8be2\u4e00\u6761\u4e0d\u5b58\u5728\u7684\u4fe1\u606f\u65f6\uff0c\u4fbf\u4f1a\u8fd4\u56de\u4e00\u5f20\u4e34\u65f6\u8868\uff0c\u5982\u679c\u67e5\u8be2\u8bed\u53e5\u7684\u8868\u4e0d\u5b58\u5728\u6216\u6ca1\u6709\u89c4\u5b9a\u6240\u67e5\u8be2\u7684\u8868\uff0c\u90a3\u4e48\u4e34\u65f6\u8868\u4e2d\u7684\u5217\u540d\u4e5f\u4e3a\u6240\u67e5\u8be2\u7684\u4fe1\u606f\uff0c\u4e5f\u5c31\u662f\u8bf4\u5217\u540d\u548c\u5b57\u6bb5\u5185\u5bb9\u76f8\u540c\uff0c\u5982\u4e0b<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/1cce8737e58046f9a693abaa1ee49535-300x153.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-176\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/1cce8737e58046f9a693abaa1ee49535-300x153.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"300\" height=\"153\"  sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div><\/p>\n<p>&nbsp;<\/p>\n<h2>\u6027\u8d282\uff1a<\/h2>\n<p>\u5982\u679c\u67e5\u627e\u8bed\u53e5\u542b\u6709\u8868\u683c\u540d\uff0c\u5e76\u4e14\u8868\u683c\u5b58\u5728\u7684\u8bdd\uff0c\u90a3\u4e48\u67e5\u8be2\u4e0d\u5b58\u5728\u7684\u4fe1\u606f\uff0c\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5b8c\u6574\u7684\u8868\u683c\uff0c\u5982\u4e0b<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/738b162566cb4192ab0710e5def382d7-300x180.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-178\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/738b162566cb4192ab0710e5def382d7-300x180.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"300\" height=\"180\"  sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div><\/p>\n<h2>\u6027\u8d283\uff1a<\/h2>\n<p>\u5982\u679c\u67e5\u8be2\u8bed\u53e5\u5e26\u6709where\u7ea6\u675f\u6761\u4ef6\uff0c\u4f46\u7ea6\u675f\u6761\u4ef6\u4e3a\u5047\u65f6\uff0c\u4f1a\u8fd4\u56de\u4e00\u5f20\u53ea\u6709\u5217\u540d\u7684\u7a7a\u8868\uff0c\u5982\u4e0b<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/d7f544b408bf4b26b0b4e587a6072c38.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-175 size-full\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/d7f544b408bf4b26b0b4e587a6072c38.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"621\" height=\"81\"  sizes=\"auto, (max-width: 621px) 100vw, 621px\" \/><\/div><\/p>\n<h1>\u4e09\u3001\u4e34\u65f6\u8868\u4e0eunion\u8fdb\u9636\u5229\u7528\uff1a<\/h1>\n<p>\u6211\u4eec\u53ef\u5229\u7528\u5e26\u6709where\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u5f53\u5176\u540e\u9762\u7684\u7ea6\u675f\u8bed\u53e5\u4e3a\u5047\u65f6\uff0c\u4e5f\u5c31\u662f\u7ea6\u675f\u7684\u6761\u4ef6\u4e0d\u5b58\u5728\u65f6\uff0c\u8fd4\u56de\u7684\u90a3\u5f20\u53ea\u6709\u5217\u540d\u7684\u8868\uff0c\u4ece\u800c\u8fdb\u884csql\u6ce8\u5165\u521b\u5efa\u4e00\u5f20\u6211\u4eec\u60f3\u8981\u7684\u8868<\/p>\n<p>\u4f8b\u53e5\u4e3a<\/p>\n<pre class=\"code\">select * from zw where tool='fff' union select 5,5;<\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/a2256ad84fab4f08a973c215ac1a9212.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-179 size-full\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/a2256ad84fab4f08a973c215ac1a9212.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"967\" height=\"199\"  sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/div><\/p>\n<p>\u5728\u8868\u7684tool\u5217\u4e2d\uff0c\u5e76\u6ca1\u6709\u201cfff\u201d\u8fd9\u6761\u6570\u636e\uff0c\u6240\u4ee5\u53ea\u4f1a\u8fd4\u56de\u4e00\u5f20\u53ea\u6709\u5217\u540d\u7684\u7a7a\u8868\uff0c\u4f46\u662f\u540e\u9762\u6709union\u51fd\u6570<\/p>\n<blockquote><p>union\u51fd\u6570\u7684\u6027\u8d28\u4e3a\uff1a\u628a\u67e5\u8be2\u5230\u7684\u8868\u683c\uff0c<span style=\"color: #ff0000;\">\u4f9d\u6b21<\/span>\u5408\u5e76\u4e3a\u4e00\u5f20\u8868\u683c\uff0c\u5e76\u4e14\u4e0d\u4fdd\u7559\u9664\u7b2c\u4e00\u4e2a\u8868\u683c\u4e4b\u5916\u7684\u5176\u4ed6\u8868\u683c\u7684\u5217\u540d\uff0c\u53ea\u662f\u628a\u5176\u4ed6\u8868\u683c\u7684\u6570\u636e\u4f9d\u6b21\u8ffd\u52a0\u5230\u7b2c\u4e00\u4e2a\u8868\u683c\u4e4b\u540e\uff0c\u6240\u6709\u7684\u8868\u683c\u90fd=\u5171\u7528\u7b2c\u4e00\u5f20\u8868\u683c\u7684\u5217\u540d<\/p><\/blockquote>\n<p>\u5f53\u7b2c\u4e00\u4e2a\u8868\u683c\u53ea\u6709\u5217\u540d\u65f6\uff0c\u7b2c\u4e8c\u6761\u8bed\u53e5\u67e5\u627e\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u4f1a\u8fd4\u56de\u6570\u636e\u672c\u8eab\uff0c\u4e5f\u5c31\u662f\u501f\u52a9\u4e86\u7b2c\u4e00\u4e2a\u8868\u683c\u7684\u5217\u540d\uff0c\u4ece\u800c\u5de7\u5999\u7684\u4fee\u6539\u4e86\u8fd4\u56de\u7684\u5185\u5bb9\u3002<\/p>\n<h1>\u56db\u3001\u5229\u7528\u573a\u666f\uff1a<\/h1>\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u767b\u9646\u9875\u9762<\/p>\n<p>\u6b64\u9875\u9762\u7684\u9a8c\u8bc1\u673a\u5236\u4e3a\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u8d26\u53f7\u5bc6\u7801\uff0c\u8fdb\u884c\u6821\u9a8c<\/p>\n<p>\u67e5\u8be2\u8bed\u53e5\u4e3a<\/p>\n<pre class=\"code\">select user,password from users where user=\"input\";<\/pre>\n<p>\u6b64\u8bed\u53e5\u6839\u636e\u6211\u4eec\u8f93\u5165\u7684\u7528\u6237\uff0c\u5728\u6570\u636e\u5e93\u67e5\u627e\u76f8\u5e94\u7684\u7528\u6237\u540d\u4e0e\u5bc6\u7801\uff0c\u518d\u4e0e\u6211\u4eec\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884c\u6bd4\u8f83<\/p>\n<p>\u8fd9\u91cc\u6211\u4eec\u4fbf\u53ef\u5229\u7528union\u51fd\u6570\u6784\u9020\u4e00\u5f20\u65b0\u8868\u8fdb\u884c\u7ed5\u8fc7<\/p>\n<p>\u8fd9\u662f\u7528\u4e8e\u5b9e\u9a8c\u7684\u521d\u59cb\u8868\u683c\uff1a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/703c3a2bcb1749b1a1a072a9af576b62-300x111.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-181\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/703c3a2bcb1749b1a1a072a9af576b62-300x111.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"300\" height=\"111\"  sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5e38\u89c4\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u7528\u6237\u540d\u4e3aadmin\uff0c\u5bc6\u7801\u4e3a123456\u624d\u53ef\u767b\u9646\u6210\u529f<\/p>\n<p>\u4f46\u6211\u4eec\u5229\u7528\u901a\u8fc7\u4ee5\u4e0b\u8bed\u53e5<\/p>\n<pre class=\"code\">select user,password from users where user=\"6666\" union select \"admin\",\"admin\";<\/pre>\n<p>payload\u4e3a\uff1a<\/p>\n<pre class=\"code\">6666\" union select admin,admin<\/pre>\n<p>\u6784\u9020\u4e00\u5f20\u7528\u6237\u540d\u4e0e\u5bc6\u7801\u5747\u4e3aadmin\u7684\u4e34\u65f6\u8868\u6765\u5b9e\u73b0\u7ed5\u8fc7<\/p>\n<p>\u6267\u884c\u7ed3\u679c\u4e3a\uff1a<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/2164dd303d404ec9828e767b7bfb2be4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-182 size-full\" data-original=\"https:\/\/blog.byzhb.top\/wp-content\/uploads\/2023\/03\/2164dd303d404ec9828e767b7bfb2be4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" width=\"1385\" height=\"176\"  sizes=\"auto, (max-width: 1385px) 100vw, 1385px\" \/><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u4e86\u89e3SQL\u6ce8\u5165\u7684\u4e34\u65f6\u8868\u539f\u7406\uff0c\u53ca\u5176\u5229\u7528\u65b9\u6cd5<\/p>\n","protected":false},"author":1,"featured_media":177,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,13],"tags":[15,14],"class_list":["post-174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ctf","category-sql","tag-ctf","tag-sqlz"],"_links":{"self":[{"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/posts\/174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/comments?post=174"}],"version-history":[{"count":2,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/posts\/174\/revisions"}],"predecessor-version":[{"id":184,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/posts\/174\/revisions\/184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/media\/177"}],"wp:attachment":[{"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/media?parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/categories?post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.byzhb.top\/index.php\/wp-json\/wp\/v2\/tags?post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}