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TITLE:
FOG Forum "index.php" Local File Inclusion Vulnerabilities

SECUNIA ADVISORY ID:
SA30613

VERIFY ADVISORY:
http://secunia.com/advisories/30613/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
FOG Forum 0.x
http://secunia.com/product/19060/

DESCRIPTION:
CWH Underground has discovered two vulnerabilities in FOG Forum,
which can be exploited by malicious people to disclose sensitive
information.

Input passed to the "fog_lang" and "fog_skin" parameters in index.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.

The vulnerabilities are confirmed in version 0.8.1. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
CWH Underground

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/5784

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

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

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