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phpBB Knowledge Base Mod File Inclusion Vulnerability
Secunia Advisory: SA19892
Release Date: 2006-05-01
Last Update: 2006-05-04
Popularity: 7,347 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software:Knowledge Base Mod 2.x (module for phpBB)

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CVE reference:CVE-2006-2134


Description:
[Oo] has discovered a vulnerability Knowledge Base Mod for phpBB, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the "module_root_path" parameter in /includes/kb_constants.php isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from external and local resources.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability has been confirmed in version 2.0.2. Other versions may also be affected.

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

Provided and/or discovered by:
[Oo]

Changelog:
2006-05-04: Added CVE reference.

Original Advisory:
http://milw0rm.com/exploits/1728


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