Vulnerability CVE-2010-0232


Published: 2010-01-21   Modified: 2012-02-13

Description:
The kernel in Microsoft Windows NT 3.1 through Windows 7, including Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, and Windows Server 2008 Gold and SP2, when access to 16-bit applications is enabled on a 32-bit x86 platform, does not properly validate certain BIOS calls, which allows local users to gain privileges by crafting a VDM_TIB data structure in the Thread Environment Block (TEB), and then calling the NtVdmControl function to start the Windows Virtual DOS Machine (aka NTVDM) subsystem, leading to improperly handled exceptions involving the #GP trap handler (nt!KiTrap0D), aka "Windows Kernel Exception Handler Vulnerability."

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Microsoft Windows GP Trap Handler Privilege Escalation Vulnerability
Tavis Ormandy
23.01.2010
High
Windows SYSTEM Escalation Via KiTrap0D
Tavis Ormandy
15.11.2013

Type:

CWE-264

(Permissions, Privileges, and Access Controls)

Vendor: Microsoft
Product: Windows 2000 
Version: sp4;
Product: Windows xp 
Version: sp3; sp2;
Product: Windows vista 
Version: sp2; sp1;
Product: Windows server 2008 
Version: sp2;
Product: Windows-nt 
Version: 3.1;
Product: Windows nt 
Version: 3.1;
Product: Windows server 2003 
Product: Windows 7 

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

 References:
http://blogs.technet.com/msrc/archive/2010/01/20/security-advisory-979682-released.aspx
http://lists.immunitysec.com/pipermail/dailydave/2010-January/006000.html
http://lock.cmpxchg8b.com/c0af0967d904cef2ad4db766a00bc6af/KiTrap0D.zip
http://seclists.org/fulldisclosure/2010/Jan/341
http://securitytracker.com/id?1023471
http://www.microsoft.com/technet/security/advisory/979682.mspx
http://www.securityfocus.com/archive/1/509106/100/0/threaded
http://www.securityfocus.com/bid/37864
http://www.us-cert.gov/cas/techalerts/TA10-040A.html
http://www.vupen.com/english/advisories/2010/0179
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-015
https://exchange.xforce.ibmcloud.com/vulnerabilities/55742
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8344

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