{"id":70,"date":"2019-12-12T01:58:20","date_gmt":"2019-12-11T17:58:20","guid":{"rendered":"http:\/\/blog.73007300.xyz\/?p=70"},"modified":"2019-12-13T22:49:53","modified_gmt":"2019-12-13T14:49:53","slug":"discuz-x3-4-%e5%90%8e%e5%8f%b0sql%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=70","title":{"rendered":"Discuz! X3.4 \u540e\u53f0SQL\u6ce8\u5165"},"content":{"rendered":"\n<p>Discuz!\u88ab\u7206\u51fa\u540e\u53f0\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5f71\u54cd Discuz! X\u7cfb\u5217\u5168\u7248\u672c\u3002<\/p>\n\n\n\n<p><br> source\\admincp\\admincp_setting.php \u5728\u5904\u7406\u8bf7\u6c42\u53c2\u6570\u65f6\uff0c\u672a\u5b8c\u5168\u8f6c\u4e49\u8fc7\u6ee4\u8bf7\u6c42\u53c2\u6570\uff0c\u5bfc\u81f4\u5b58\u5728\u4e8c\u6b21\u6ce8\u5165\u3002<br> upload\\uc_client\\model\\base.php<br> \u521d\u59cb\u5316\u65b9\u6cd5\u8c03\u7528\uff0c\u8ddf\u8fdbinit_note\u65b9\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"399\" height=\"267\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image.png\" alt=\"\" class=\"wp-image-71\"\/><\/figure>\n\n\n\n<p>\u8ddf\u8fdb note_exists \u65b9\u6cd5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1060\" height=\"411\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-1.png\" alt=\"\" class=\"wp-image-72\"\/><\/figure>\n\n\n\n<p>\u8fd9\u91cc\u7684 .UC_DBTABLEPRE. \u548c .UC_APPID. \u90fd\u662f\u4ece\u914d\u7f6e\u6587\u4ef6\u8bfb\u53d6\u7684\u3002<br> \u67e5\u627eUC_APPID<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1910\" height=\"452\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-2.png\" alt=\"\" class=\"wp-image-73\"\/><\/figure>\n\n\n\n<p>upload\\source\\admincp\\admincp_setting.php<br> \u4f20\u5165\u53c2\u6570\u6570\u7ec4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"386\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-3.png\" alt=\"\" class=\"wp-image-74\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1262\" height=\"339\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-4.png\" alt=\"\" class=\"wp-image-75\"\/><\/figure>\n\n\n\n<p>\u88ab\u6ce8\u5165\u8fc7\u7684.\/config\/config_ucenter.php \u6587\u4ef6<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"825\" height=\"451\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-5.png\" alt=\"\" class=\"wp-image-76\"\/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u53ea\u662f\u628a\u5355\u5f15\u53f7\u7528\u53cd\u659c\u6760\u8f6c\u4e49\u4fdd\u5b58\u4e86\u3002<br> \u8f6c\u4e49\u4e00\u6b21\u7684\u5b57\u7b26\u4e32\u88ab\u5199\u4eba\u6587\u4ef6\u4e2d\uff0c\u5728PHP\u89e3\u6790\u65f6\u5c31\u662f\u6ca1\u6709\u8f6c\u4e49\u8fc7\u7684\u539f\u59cb\u5185\u5bb9 \u9020\u6210\u4e86\u4e8c\u6b21\u6ce8\u5165\u7684\u4ea7\u751f\u3002<\/p>\n\n\n\n<p>\u6d4b\u8bd5demo\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\ndefine('UC_APPID', 'sadsadsadasd\\'');\nprintf(UC_APPID);<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"462\" height=\"183\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-6.png\" alt=\"\" class=\"wp-image-77\"\/><\/figure>\n\n\n\n<p>\u4e5f\u5c31\u662f UC_APPID \u7684\u503c\u88ab\u4ece\u6587\u4ef6\u53d6\u51fa\u6765\u540e\uff0cphp\u9ed8\u8ba4\u4f1a\u628a\u4ed6\u7684\u53cd\u659c\u6760\u53bb\u6389\u4e86\u3002<br>\n\u4e5f\u5c31\u662fUC_APPID\u7684\u503c\u88ab\u8fd8\u539f\u6210 1' and extractvalue(1,concat(0x7c,(select @@version))) -- 1'<\/p>\n\n\n\n<p>\u653b\u51fb\u8005\u5728\u767b\u5f55Discuz!\u7ba1\u7406\u5458\u540e\u53f0\u540e\uff0c\u53ef\u7528\u6b64\u6f0f\u6d1e\u6765\u8fdb\u884cSQL\u6ce8\u5165\uff0c\u83b7\u53d6\u6570\u636e\u5e93\u91cc\u7684\u654f\u611f\u4fe1\u606f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1509\" height=\"1037\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-7.png\" alt=\"\" class=\"wp-image-78\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1063\" height=\"179\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-8.png\" alt=\"\" class=\"wp-image-79\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1908\" height=\"862\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2019\/12\/image-9.png\" alt=\"\" class=\"wp-image-80\"\/><\/figure>\n\n\n\n<p>\u3010\u53c2\u8003\u94fe\u63a5\u3011<br>\nhttps:\/\/mp.weixin.qq.com\/s\/0PaVA9tzOxBFQVZ0EBVc9A <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discuz!\u88ab\u7206\u51fa\u540e\u53f0\u5b58\u5728SQL\u6ce8\u5165\u6f0f\u6d1e\uff0c\u5f71\u54cd Discuz! X\u7cfb\u5217\u5168\u7248\u672c\u3002 source\\admincp\\admincp_setting.php \u5728\u5904\u7406\u8bf7\u6c42\u53c2\u6570\u65f6\uff0c\u672a\u5b8c\u5168\u8f6c\u4e49\u8fc7\u6ee4\u8bf7\u6c42\u53c2\u6570\uff0c\u5bfc\u81f4\u5b58\u5728\u4e8c\u6b21\u6ce8\u5165\u3002 upload\\uc_client\\model\\base.php \u521d\u59cb\u5316\u65b9\u6cd5\u8c03\u7528\uff0c\u8ddf\u8fdbinit_note\u65b9\u6cd5\u3002 \u8ddf\u8fdb note_exists \u65b9\u6cd5\uff1a \u8fd9\u91cc\u7684 .UC_DBTABLEPRE. \u548c .UC_APPID. \u90fd\u662f\u4ece\u914d\u7f6e\u6587\u4ef6\u8bfb\u53d6\u7684\u3002 \u67e5\u627eUC_APPID upload\\source\\admincp\\admincp_setting.php \u4f20\u5165\u53c2\u6570\u6570\u7ec4\u3002 \u88ab\u6ce8\u5165\u8fc7\u7684.\/config\/config_ucenter.php \u6587\u4ef6 \u53ef\u4ee5\u770b\u5230\u53ea\u662f\u628a\u5355\u5f15\u53f7\u7528\u53cd\u659c\u6760\u8f6c\u4e49\u4fdd\u5b58\u4e86\u3002 \u8f6c\u4e49\u4e00\u6b21\u7684\u5b57\u7b26\u4e32\u88ab\u5199\u4eba\u6587\u4ef6\u4e2d\uff0c\u5728PHP\u89e3\u6790\u65f6\u5c31\u662f\u6ca1\u6709\u8f6c\u4e49\u8fc7\u7684\u539f\u59cb\u5185\u5bb9 \u9020\u6210\u4e86\u4e8c\u6b21\u6ce8\u5165\u7684\u4ea7\u751f\u3002 \u6d4b\u8bd5demo\uff1a \u4e5f\u5c31\u662f UC_APPID \u7684\u503c\u88ab\u4ece\u6587\u4ef6\u53d6\u51fa\u6765\u540e\uff0cphp\u9ed8\u8ba4\u4f1a\u628a\u4ed6\u7684\u53cd\u659c\u6760\u53bb\u6389\u4e86\u3002 \u4e5f\u5c31\u662fUC_APPID\u7684\u503c\u88ab\u8fd8\u539f\u6210 1&#8242; and extractvalue(1,concat(0x7c,(select @@version))) &#8212; 1&#8242; \u653b\u51fb\u8005\u5728\u767b\u5f55Discuz!\u7ba1\u7406\u5458\u540e\u53f0\u540e\uff0c\u53ef\u7528\u6b64\u6f0f\u6d1e\u6765\u8fdb\u884cSQL\u6ce8\u5165\uff0c\u83b7\u53d6\u6570\u636e\u5e93\u91cc\u7684\u654f\u611f\u4fe1\u606f\u3002 \u3010\u53c2\u8003\u94fe\u63a5\u3011 https:\/\/mp.weixin.qq.com\/s\/0PaVA9tzOxBFQVZ0EBVc9A<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/70"}],"collection":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=70"}],"version-history":[{"count":1,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/70\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/70\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=70"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=70"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}