Microsoft Windows GP Trap Handler Privilege Escalation Vulnerability

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  3. Microsoft Windows GP Trap Handler Privilege Escalation Vulnerability
Summary
The host is installed with Microsoft Windows operating system and is prone to Privilege Escalation Vulnerability. This NVT has been replaced by NVT secpod_ms10-015.nasl (OID:1.3.6.1.4.1.25623.1.0.900740).
Impact
Successful exploitation will allow remote attackers to bypass certain security restrictions or can gain escalated privileges via specially crafted attack. Impact Level: System.
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
This issue is due to the kernel not properly handling certain exceptions when setting up a VDM (Virtual DOS Machine) context, which allows users to gain kernel privileges by setting up a crafted 'DM_TIB' in their 'TEB' and reach the 'Ki386BiosCallReturnAddress()' function via the '#GP trap handler (nt!KiTrap0D)'.
Affected
Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2000 Service Pack 4 and prior. Microsoft Windows Server 2003 Service Pack 2 and prior.
References
Updated on 2015-03-25
Severity
High Severity
Classification
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