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Secunia Security Advisory 37958

Secunia Security Advisory 37958
Posted Dec 31, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been discovered in the Avatar Studio module for PHP-Fusion, which can be exploited by malicious users to disclose sensitive information.

tags | advisory, php
MD5 | 40a6e2165caf0f76e2a49c77f25099a9

Secunia Security Advisory 37958

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TITLE:
PHP-Fusion Avatar Studio Module Local File Inclusion

SECUNIA ADVISORY ID:
SA37958

VERIFY ADVISORY:
http://secunia.com/advisories/37958/

DESCRIPTION:
A vulnerability has been discovered in the Avatar Studio module for
PHP-Fusion, which can be exploited by malicious users to disclose
sensitive information.

Input passed via the "avatar_studio" and "avatar_select" parameters
to avatar_studio.php is not properly verified before being used to
create avatar images. This can be exploited to include arbitrary
files from local resources via directory traversal attacks and by
appending e.g. a ".jpg" extension to URL-encoded NULL bytes.

The vulnerability is confirmed in version 2.02. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
bonobug

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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