1. /
  2. Security Response/
  3. Microsoft Windows Program Group Converter Filename Local Buffer Overrun Vulnerability

Microsoft Windows Program Group Converter Filename Local Buffer Overrun Vulnerability

Risk

Medium

Date Discovered

July 7, 2004

Description

Microsoft Windows Program Group Converter (grpconv.exe) is reported prone to a buffer overrun vulnerability. The issue is reported to exist due to a lack of sufficient validation performed on filename data. An attacker may craft a malicious file and present it to a victim in order to exploit this vulnerability. Additionally, it is demonstrated that this vulnerability may also be exploited using a series of seperate vulnerabilities in Internet Explorer in order to exploit this vulnerability when a malicious website is viewed. It is reported that exploitation may be hindered because parameter data is stored in Unicode format.

Technologies Affected

  • Avaya DefinityOne Media Servers
  • Avaya DefinityOne Media Servers R10
  • Avaya DefinityOne Media Servers R11
  • Avaya DefinityOne Media Servers R12
  • Avaya DefinityOne Media Servers R6
  • Avaya DefinityOne Media Servers R7
  • Avaya DefinityOne Media Servers R8
  • Avaya DefinityOne Media Servers R9
  • Avaya IP600 Media Servers
  • Avaya IP600 Media Servers R10
  • Avaya IP600 Media Servers R11
  • Avaya IP600 Media Servers R12
  • Avaya IP600 Media Servers R6
  • Avaya IP600 Media Servers R7
  • Avaya IP600 Media Servers R8
  • Avaya Modular Messaging (MSS) 1.1.0
  • Avaya Modular Messaging (MSS) 2.0.0
  • Avaya S3400 Message Application Server
  • Avaya S8100 Media Servers
  • Avaya S8100 Media Servers R10
  • Avaya S8100 Media Servers R11
  • Avaya S8100 Media Servers R12
  • Avaya S8100 Media Servers R6
  • Avaya S8100 Media Servers R7
  • Avaya S8100 Media Servers R8
  • Avaya S8100 Media Servers R9
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Advanced Server SP1
  • Microsoft Windows 2000 Advanced Server SP2
  • Microsoft Windows 2000 Advanced Server SP3
  • Microsoft Windows 2000 Advanced Server SP4
  • Microsoft Windows 2000 Datacenter Server
  • Microsoft Windows 2000 Datacenter Server SP1
  • Microsoft Windows 2000 Datacenter Server SP2
  • Microsoft Windows 2000 Datacenter Server SP3
  • Microsoft Windows 2000 Datacenter Server SP4
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Professional SP1
  • Microsoft Windows 2000 Professional SP2
  • Microsoft Windows 2000 Professional SP3
  • Microsoft Windows 2000 Professional SP4
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Server SP1
  • Microsoft Windows 2000 Server SP2
  • Microsoft Windows 2000 Server SP3
  • Microsoft Windows 2000 Server SP4
  • Microsoft Windows 98SE
  • Microsoft Windows ME
  • Microsoft Windows NT 4.0
  • Microsoft Windows NT 4.0 SP1
  • Microsoft Windows NT 4.0 SP2
  • Microsoft Windows NT 4.0 SP3
  • Microsoft Windows NT 4.0 SP4
  • Microsoft Windows NT 4.0 SP5
  • Microsoft Windows NT 4.0 SP6
  • Microsoft Windows NT 4.0 SP6a
  • Microsoft Windows NT Enterprise Server 4.0
  • Microsoft Windows NT Enterprise Server 4.0 SP1
  • Microsoft Windows NT Enterprise Server 4.0 SP2
  • Microsoft Windows NT Enterprise Server 4.0 SP3
  • Microsoft Windows NT Enterprise Server 4.0 SP4
  • Microsoft Windows NT Enterprise Server 4.0 SP5
  • Microsoft Windows NT Enterprise Server 4.0 SP6
  • Microsoft Windows NT Enterprise Server 4.0 SP6a
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Server 4.0 SP1
  • Microsoft Windows NT Server 4.0 SP2
  • Microsoft Windows NT Server 4.0 SP3
  • Microsoft Windows NT Server 4.0 SP4
  • Microsoft Windows NT Server 4.0 SP5
  • Microsoft Windows NT Server 4.0 SP6
  • Microsoft Windows NT Server 4.0 SP6a
  • Microsoft Windows NT Terminal Server 4.0
  • Microsoft Windows NT Terminal Server 4.0 SP1
  • Microsoft Windows NT Terminal Server 4.0 SP2
  • Microsoft Windows NT Terminal Server 4.0 SP3
  • Microsoft Windows NT Terminal Server 4.0 SP4
  • Microsoft Windows NT Terminal Server 4.0 SP5
  • Microsoft Windows NT Terminal Server 4.0 SP6
  • Microsoft Windows NT Workstation 4.0
  • Microsoft Windows NT Workstation 4.0 SP1
  • Microsoft Windows NT Workstation 4.0 SP2
  • Microsoft Windows NT Workstation 4.0 SP3
  • Microsoft Windows NT Workstation 4.0 SP4
  • Microsoft Windows NT Workstation 4.0 SP5
  • Microsoft Windows NT Workstation 4.0 SP6
  • Microsoft Windows NT Workstation 4.0 SP6a
  • Microsoft Windows Server 2003 Datacenter Edition
  • Microsoft Windows Server 2003 Datacenter Edition Itanium
  • Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Beta 1
  • Microsoft Windows Server 2003 Datacenter Edition SP1 Beta 1
  • Microsoft Windows Server 2003 Enterprise Edition
  • Microsoft Windows Server 2003 Enterprise Edition Itanium
  • Microsoft Windows Server 2003 Enterprise Edition Itanium SP1 Beta 1
  • Microsoft Windows Server 2003 Enterprise Edition SP1 Beta 1
  • Microsoft Windows Server 2003 Standard Edition
  • Microsoft Windows Server 2003 Standard Edition SP1 Beta 1
  • Microsoft Windows Server 2003 Web Edition
  • Microsoft Windows Server 2003 Web Edition SP1 Beta 1
  • Microsoft Windows XP 64-bit Edition
  • Microsoft Windows XP 64-bit Edition SP1
  • Microsoft Windows XP 64-bit Edition Version 2003
  • Microsoft Windows XP 64-bit Edition Version 2003 SP1
  • Microsoft Windows XP Home
  • Microsoft Windows XP Home SP1
  • Microsoft Windows XP Media Center Edition
  • Microsoft Windows XP Media Center Edition SP1
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Professional SP1
  • Microsoft grpconv

Recommendations

Do not accept or execute files from untrusted or unknown sources.

A '.grp' file may be used to exploit this vulnerability. Do not accept or open '.grp' files that originate from users of questionable integrity.

Do not follow links provided by unknown or untrusted sources.

An attacker may present a link to a malicious site designed to exploit this vulnerability. Avoid following links that are received unexpectedly or that originate from users of questionable integrity.
Microsoft has released Security Bulletin MS04-037 dealing with this issue. Avaya has released an advisory that acknowledges this vulnerability for Avaya products. The issue is considered low risk as it requires local interactive access in order to be exploited. Customers are advised to follow Microsoft's guidance for applying patches. Please see the referenced Avaya advisory at the following location for further details: http://support.avaya.com/japple/css/japple?temp.groupID=128450&temp.selectedFamily=128451&temp.selectedProduct=154235&temp.selectedBucket=126655&temp.feedbackState=askForFeedback&temp.documentID=203487&PAGE=avaya.css.CSSLvl1Detail&executeTransaction=avaya.css.UsageUpdate()

Credits

Discovery of this vulnerability is credited to Andreas Sandblad.
Copyright © Symantec Corporation.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
Symantec, Symantec products, Symantec Security Response, and secure@symantec.com are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.

Threat Intelligence

Subscribe
Follow the Threat Intelligence Twitter feed
STAR Antimalware Protection Technologies
Internet Security Threat Report
Symantec DeepSight Screensaver