Dj7xpl has reported a vulnerability in PHP121 Instant Messenger, which can be exploited by malicious people to compromise a vulnerable system.
Input passed to the "php121dir" parameter in php121db.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local or external resources.
Successful exploitation requires that "register_globals" is enabled.
The vulnerability is reported in version 2.2. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
Provided and/or discovered by: Dj7xpl
Original Advisory: http://www.milw0rm.com/exploits/3694
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