VUPEN Security Research - Novell GroupWise "TZID" Variable Remote Buffer Overflow Vulnerability (VUPEN-SR-2011-004)

2011-01-2800:00:00

vulners.com

VUPEN Security Research - Novell GroupWise VCALENDAR "TZID" Variable Remote
Buffer Overflow Vulnerability (VUPEN-SR-2011-004)

http://www.vupen.com/english/research.php

I. BACKGROUND

"Novell GroupWise collaboration software is a premier collaboration tool
for large enterprise. Look no further than Novell for your collaboration
software." (Wikipedia)

II. DESCRIPTION

VUPEN Vulnerability Research Team discovered a critical vulnerability
in Novell GroupWise.

The vulnerability is caused by a buffer overflow error in the "gwwww1.dll"
module when processing the "TZID" variable within VCALENDAR data, which
could be exploited by remote unauthenticated attackers to execute arbitrary
code with SYSTEM privileges.

CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C)

III. AFFECTED PRODUCTS

Novell GroupWise version 8.02 HP 1 (Hot Patch 1) and prior

IV. Binary Analysis & Exploits/PoCs

In-depth binary analysis of the vulnerability and a code execution exploit
are available through the VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/english/services/ba-index.php

V. VUPEN Threat Protection Program

Organizations and corporations which are members of the VUPEN Threat
Protection Program (TPP) receive advanced notifications about security
vulnerabilities discovered by VUPEN, and have access to a detailed detection
guidance to proactively protect national and critical infrastructures
against potential attacks exploiting this vulnerability:

http://www.vupen.com/english/services/tpp-index.php

VI. SOLUTION

Upgrade to Novell GroupWise version 8.02 HP 2 (Hot Patch 2).

VII. CREDIT

This vulnerability was discovered by Sebastien Renaud of VUPEN Security

VIII. ABOUT VUPEN Security

VUPEN is a leading IT security research company providing vulnerability
management and security intelligence solutions which enable enterprises
and institutions to eliminate vulnerabilities before they can be exploited,
ensure security policy compliance and meaningfully measure and manage risks.

Governmental and federal agencies, and global enterprises in the financial
services, insurance, manufacturing and technology industries rely on VUPEN
to improve their security, prioritize resources, cut time and costs, and
stay ahead of the latest threats.