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Microsoft Windows GP Trap Handler Privilege Escalation Vulnerability

Information

Severity

Severity

High

Family

Family

Windows

CVSSv2 Base

CVSSv2 Base

7.2

CVSSv2 Vector

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Wont Fix

Created

Created

14 years ago

Modified

Modified

3 years ago

Summary

The host is installed with Microsoft Windows operating system and is prone to Privilege Escalation Vulnerability. This NVT has been replaced by OID:1.3.6.1.4.1.25623.1.0.900740.

Insight

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 Software

Affected Software

- 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

Solution

Solution

No known solution was made available for at least one year since the 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.

Common Vulnerabilities and Exposures (CVE)