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Exero CMS "theme" Local File Inclusion Vulnerabilities
Secunia Advisory: SA30711
Release Date: 2008-06-18
Last Update: 2008-06-25
Popularity: 1,780 views

Critical:
Moderately critical
Impact: Exposure of system information
Exposure of sensitive information
Where: From remote
Solution Status: Vendor Patch

Software:Exero CMS 1.x

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CVE reference:CVE-2008-2840


Description:
Some vulnerabilities have been reported in Exero CMS, which can be exploited by malicious people to disclose sensitive information.

Input passed to the "theme" parameter in custompage.php, errors/404.php, members/memberslist.php, members/profile.php, news/fullview.php, news/index.php, nopermission.php, usercp/avatar.php, and usercp/editpassword.php is not properly verified before being used to include files. This can be exploited to include arbitrary files from local resources via directory traversal attacks and URL-encoded NULL bytes. All scripts are located in the "themes/Default" directory.

Successful exploitation requires that "register_globals" is enabled and that "magic_quotes_gpc" is disabled.

The vulnerabilities are reported in versions 1.0.0 and 1.0.1.

Solution:
Update to version 1.0.1.1.

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2008-06-25: Added CVE reference.

Original Advisory:
http://sourceforge.net/project/shownotes.php?release_id=607502


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