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FlatNuke "id" Local File Inclusion Vulnerability
Secunia Advisory: SA16650
Release Date: 2005-09-01
Last Update: 2006-01-13
Popularity: 4,287 views

Critical:
Highly critical
Impact: Exposure of sensitive information
System access
Security Bypass
Where: From remote
Solution Status: Unpatched

Software:FlatNuke 2.x

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CVE reference:CVE-2005-2813
CVE-2005-2814
CVE-2005-2815
CVE-2005-4448
CVE-2005-4449
CVE-2005-4208


Description:
rgod has discovered a vulnerability in FlatNuke, which can be exploited by malicious people to disclose sensitive information and compromise a vulnerable system.

Input passed to the "id" parameter in index.php isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.

This can reportedly further be exploited to disclose encrypted user credentials and access the administration section where arbitrary PHP files can be edited.

Successful exploitation requires that "magic_quotes_gpc" is disabled.

The vulnerability has been confirmed in version 2.5.6. Other versions may also be affected.

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

Provided and/or discovered by:
rgod

Changelog:
2005-09-27: Added CVE references.
2005-12-12: rgod released details for how the local file inclusion vulnerability can be exploited to execute arbitrary PHP code. Increased criticality.
2006-01-13: Added CVE references.


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