Virangar Security has discovered a vulnerability in PowerNews, which can be exploited by malicious people to conduct SQL injection attacks.

Input passed via the "newsid" parameter in news.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation of this vulnerability requires that "magic_quotes_gpc" is disabled.

This vulnerability is confirmed in version 2.5.4. Other versions may also be affected.

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

Provided and/or discovered by
Virangar Security

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://www.milw0rm.com/exploits/7641

Deep Links
Links available to Secunia VIM customers