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Home >> Browse Vulnerability Assessment Database >> CGI abuses >> VHCS check_login Authentication Bypass Vulnerability


Vulnerability Assessment Details

VHCS check_login Authentication Bypass Vulnerability

Vulnerability Assessment Summary
Tries to access a restricted script using VHCS

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a PHP application that is prone to an
authentication bypass vulnerability.

Description :

The remote host is running VHCS, a control panel for hosting
providers.

The GUI portion of the version of VHCS installed on the remote host
does not halt script execution if 'check_login()' fails. A possible hacker
can leverage this flaw to bypass authentication and access VHCS
application scripts that would otherwise be restricted.

See also :

http://www.rs-labs.com/adv/RS-Labs-Advisory-2006-1.txt
http://archives.neohapsis.com/archives/bugtraq/2006-02/0166.html
http://www.rs-labs.com/exploitsntools/rs_vhcs_simple_poc.html
http://vhcs.net/new/modules/news/article.php?storyid=25

Solution :

Apply Security Patch 2006-02-09 referenced in the project advisory
above.

Network Security Threat Level:

Critical / CVSS Base Score : 10.0
(AV:R/AC:L/Au:NR/C:C/I:C/A:C/B:N)

Networks Security ID: 16600

Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security

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