PRL-2010-07

#####################################################################################
Application:   Novell Groupwise Webaccess Remote Code Execution

Platforms:   Windows, Linux & Netware (GroupWise 7.0, 7.01, 7.02, 7.03x, 7.04, 8.0, 8.01x)

Exploitation:   Authenticated Remote code execution

CVE Number:

Novell TID:   7006380

ZDI:

{PRL}:   2010-07

Author:   Francis Provencher (Protek Research Lab’s)

Website:   http://www.protekresearchlab.com/

Twitter:   @ProtekResearchApplication:

#####################################################################################

1) Introduction
2) Report Timeline
3) Technical details
4) The Code

#####################################################################################

===============
1) Introduction
===============

Novell, Inc. is a global software and services company based in Waltham, Massachusetts. The company specializes in

enterprise operating systems, such as SUSE Linux Enterprise and Novell NetWare; identity, security, and systems

management solutions; and collaboration solutions, such as Novell Groupwise and Novell Pulse.

Novell was instrumental in making the Utah Valley a focus for technology and software development. Novell technology

contributed to the emergence of local area networks, which displaced the dominant mainframe computing model

and changed computing worldwide. Today, a primary focus of the company is on developing open source

software for enterprise clients.

(http://en.wikipedia.org/wiki/Novell)

#####################################################################################

============================
2) Report Timeline
============================

2010-05-27 Vendor Contact
2010-05-28 Vendor repsonse
2010-07-15 Patch is release

#####################################################################################

============================
3) Technical details
============================

The user Proxy feature of Novell GroupWise WebAccess is vulnerable to a stack overflow exploit.

An authenticated user could potentially trigger and execute arbitrary code with “Root” or

“SYSTEM” rigths. To overwrite the stack, 1294 byte have to been sent to the user proxy feature.

#####################################################################################

===========
4) The Code
===========

Here

###############################################################################