BID:10117

Microsoft Virtual DOS Machine Local Privilege Escalation Vulnerability

Info

Microsoft Virtual DOS Machine Local Privilege Escalation Vulnerability

Bugtraq ID:	10117
Class:	Access Validation Error
CVE:
Remote:	No
Local:	Yes
Published:	Apr 13 2004 12:00AM
Updated:	Apr 13 2004 12:00AM
Credit:	Discovery is credited to Derek Soeder of eEye Digital Security.
Vulnerable:	Microsoft Windows NT Workstation 4.0 SP6a Microsoft Windows NT Workstation 4.0 SP6 Microsoft Windows NT Workstation 4.0 SP5 Microsoft Windows NT Workstation 4.0 SP4 Microsoft Windows NT Workstation 4.0 SP3 Microsoft Windows NT Workstation 4.0 SP2 Microsoft Windows NT Workstation 4.0 SP1 Microsoft Windows NT Workstation 4.0 Microsoft Windows NT Terminal Server 4.0 SP6 Microsoft Windows NT Terminal Server 4.0 SP5 Microsoft Windows NT Terminal Server 4.0 SP4 Microsoft Windows NT Terminal Server 4.0 SP3 Microsoft Windows NT Terminal Server 4.0 SP2 Microsoft Windows NT Terminal Server 4.0 SP1 Microsoft Windows NT Terminal Server 4.0 Microsoft Windows NT Server 4.0 SP6a + Avaya DefinityOne Media Servers + Avaya DefinityOne Media Servers + Avaya IP600 Media Servers + Avaya IP600 Media Servers + Avaya S3400 Message Application Server 0 + Avaya S8100 Media Servers 0 + Avaya S8100 Media Servers 0 Microsoft Windows NT Server 4.0 SP6 Microsoft Windows NT Server 4.0 SP5 Microsoft Windows NT Server 4.0 SP4 Microsoft Windows NT Server 4.0 SP3 Microsoft Windows NT Server 4.0 SP2 Microsoft Windows NT Server 4.0 SP1 Microsoft Windows NT Server 4.0 Microsoft Windows NT Enterprise Server 4.0 SP6a Microsoft Windows NT Enterprise Server 4.0 SP6 Microsoft Windows NT Enterprise Server 4.0 SP5 Microsoft Windows NT Enterprise Server 4.0 SP4 Microsoft Windows NT Enterprise Server 4.0 SP3 Microsoft Windows NT Enterprise Server 4.0 SP2 Microsoft Windows NT Enterprise Server 4.0 SP1 Microsoft Windows NT Enterprise Server 4.0 Microsoft Windows 2000 Server SP4 Microsoft Windows 2000 Server SP3 Microsoft Windows 2000 Server SP2 Microsoft Windows 2000 Server SP1 Microsoft Windows 2000 Server + Avaya DefinityOne Media Servers + Avaya IP600 Media Servers + Avaya S3400 Message Application Server 0 + Avaya S8100 Media Servers 0 Microsoft Windows 2000 Professional SP4 Microsoft Windows 2000 Professional SP3 Microsoft Windows 2000 Professional SP2 Microsoft Windows 2000 Professional SP1 Microsoft Windows 2000 Professional Microsoft Windows 2000 Datacenter Server SP4 Microsoft Windows 2000 Datacenter Server SP3 Microsoft Windows 2000 Datacenter Server SP2 Microsoft Windows 2000 Datacenter Server SP1 Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Advanced Server SP4 Microsoft Windows 2000 Advanced Server SP3 Microsoft Windows 2000 Advanced Server SP2 Microsoft Windows 2000 Advanced Server SP1 Microsoft Windows 2000 Advanced Server Avaya S8100 Media Servers 0 + Microsoft Windows 2000 Server + Microsoft Windows NT Server 4.0 SP6a Avaya S3400 Message Application Server 0 + Microsoft Windows 2000 Server Avaya IP600 Media Servers Avaya DefinityOne Media Servers

Not Vulnerable:

Discussion

Microsoft Virtual DOS Machine Local Privilege Escalation Vulnerability

A problem exists in the Virtual DOS Machine (VDM) that may allow a local user to elevate their privilege level. The issue exists because an attacker may use the VDM to write arbitrary code to protected kernel memory locations.

Exploit / POC

Microsoft Virtual DOS Machine Local Privilege Escalation Vulnerability

A private exploit developed by eEye is known to exist for this issue. It is not known to be circulating in the wild at present.

Solution / Fix

Microsoft Virtual DOS Machine Local Privilege Escalation Vulnerability

Solution:
Avaya has released an advisory to announce that Avaya System Products shipping on Microsoft platforms are also affected by this vulnerability. Avaya advise that customers follow the Microsoft recommendations for the resolution of this issue. The aforementioned advisory can be viewed at the following location:
http://support.avaya.com/japple/css/japple?temp.groupID=&temp.selectedFamily=128451&temp.selectedProduct=154235&temp.selectedBucket=126655&temp.feedbackState=askForFeedback&temp.documentID=161384&PAGE=avaya.css.CSSLvl1Detail&executeTransaction=avaya.css.UsageUpdate()

Microsoft has released fixes.

US-CERT has released an advisory TA04-104A to address this and other issues. Please see the referenced advisory for more information.

June 15, 2004 - Microsoft has updated security bulletin MS04-011 to release a Windows NT 4.0 Workstation update for the Pan Chinese language. The Pan Chinese update should be installed by customers who installed Windows NT 4.0 Workstation for Pan Chinese update or who use the Pan Chinese product.

Microsoft Windows 2000 Server SP2