10691 : Microsoft Windows Virtual DOS Machine Subsystem Local Privilege Escalation
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	232	over 7 years ago	about 1 year ago	5 times	100%

Timeline

Vendor Informed Date	Disclosure Date	Vendor Solution Date
2004-03-18	2004-10-12	2004-10-12

Time to Patch
208 days

Description

Windows contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is triggered within a portion of the Windows kernel that handles 16-bit code within a Virtual DOS Machine will give special opcode byte sequence special treatment during relay to the 32-bit host code. With a specially crafted request, an attacker could use this to leverage increased privileges on the system.

Classification

Location: Local Access Required
Attack Type: Authentication Management
Impact: Loss of Integrity
Exploit: Exploit Rumored
Disclosure: OSVDB Verified, Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products

Microsoft Corporation	Windows	NT Server 4.0 SP6
		NT Server Terminal Server Edition 4.0 SP6
		2000 SP3
		2000 SP4
		XP
		XP SP1
		XP 64-Bit SP1
		XP 64-Bit 2003
		2003 Server x64
		2003 Server

References

Security Tracker: 1011645
Related OSVDB ID: 10690 10692 10693
Secunia Advisory ID: 12804
CVE ID: 2004-0208 (see also: NVD)
Microsoft Knowledge Base Article: 840987
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2004-10/0401.html
Other Advisory URL: http://research.eeye.com/html/advisories/published/AD20041012.html
http://www.eeye.com/html/research/advisories/AD20041012.html [ Link is 404 ]
Microsoft Security Bulletin: MS04-032

Tools & Filters

	15457

Credit

Derek Soeder - eEye Digital Security

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Blogs

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