[SA34518] WebEdition "WE_LANGUAGE" File Inclusion Vulnerability

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TITLE:
WebEdition "WE_LANGUAGE" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA34518

VERIFY ADVISORY:
http://secunia.com/advisories/34518/

DESCRIPTION:
A vulnerability has been discovered in WebEdition, which can be
exploited by malicious people to disclose sensitive information.

Input passed to the "WE_LANGUAGE" parameter in webEdition/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.

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

The vulnerability is confirmed in version 6.0.0.4. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Salvatore "drosophila" Fresta.

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