Some vulnerabilities have been discovered in FlexPHPLink Pro, which can be exploited by malicious people to conduct SQL injection attacks and compromise a vulnerable system.
1) A vulnerability is caused due to the "submitlink.php" script failing to validate the types of uploaded images. This can be exploited to upload files with arbitrary extensions (e.g. php) and execute arbitrary PHP code on the server.
2) Input passed to the "checkuser" and "checkpass" parameters in admin/index.php is not properly sanitised before being used in SQL queries in admin/usercheck.php. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation may require that "magic_quotes_gpc" is disabled.
Vulnerability #1 is confirmed in version 0.0.7 and vulnerability #2 is confirmed in version 0.0.6. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly verified.
Provided and/or discovered by: 1) Osirys
Original Advisory: 1) http://www.milw0rm.com/exploits/7600
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Subject: FlexPHPLink Pro Multiple Vulnerabilities
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