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TITLE:
Yet Another NOCC "lang" Local File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA33862

VERIFY ADVISORY:
http://secunia.com/advisories/33862/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Yet Another NOCC 0.x
http://secunia.com/advisories/product/21356/

DESCRIPTION:
Kacper has discovered a vulnerability in Yet Another NOCC, which can
be exploited by malicious people to disclose sensitive information.

Input passed to the "lang" parameter in check_lang.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.

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

This vulnerability is confirmed in version 0.1.0. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Kacper

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/8020

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