Secunia

Some vulnerabilities have been reported in Clansys, which can be exploited by malicious people to conduct cross-site scripting and SQL injection attacks, and compromise a vulnerable system.

1) Input passed to the "showid" parameter in index.php is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Example:
http://[host]/index.php?page=member&func=detail&showid=[code]

The vulnerability has been confirmed in version 1.1. Other versions may also be affected.

2) Input passed to the "page" parameter in index.php and the "keyword" parameter in the archive search functionality is not properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.

3) Input passed to the "page" parameter in index.php isn't properly sanitised before being used in an "eval()" call. This can be exploited to inject and execute arbitrary PHP code.

The vulnerabilities has been reported in version 1.1. Other versions may also be affected.

Solution
Edit the source code to ensure that input is properly sanitised.

Provided and/or discovered by
1) snatcher
2) Soot
3) Mustafa Can Bjorn

Changelog
Further details available in Customer Area

Original Advisory
1) http://milw0rm.com/exploits/1662
2) http://soot.shabgard.org/bugs/Clansys.txt
3) http://www.nukedx.com/?viewdoc=29

Deep Links
Links available in Customer Area