BID:10122

Microsoft Windows Local Descriptor Table Local Privilege Escalation Vulnerability

Info

Microsoft Windows Local Descriptor Table Local Privilege Escalation Vulnerability

Bugtraq ID:	10122
Class:	Access Validation Error
CVE:	CVE-2003-0910
Remote:	No
Local:	Yes
Published:	Apr 13 2004 12:00AM
Updated:	Oct 02 2007 05:49PM
Credit:	Discovery of this vulnerability has been credited to 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 Windows Local Descriptor Table Local Privilege Escalation Vulnerability

Microsoft Windows Local Descriptor Table programming interface is prone to a privilege-escalation vulnerability.

A local attacker may be able to create a malicious entry in the Local Descriptor Table. This entry may point into protected memory. Since this memory space is reserved for kernel operations, the attacker will likely exploit this condition to execute arbitrary code with elevated privileges.

Exploit / POC

Microsoft Windows Local Descriptor Table Local Privilege Escalation Vulnerability

The following proof of concept was supplied:

/data/vulnerabilities/exploits/localDescriptorTableLocalPrivEscExlpoit.c

Solution / Fix

Microsoft Windows Local Descriptor Table Local Privilege Escalation Vulnerability

Solution:
Microsoft has released a security bulletin and fixes to address this issue. Please see the referenced advisories for details.

Microsoft Windows 2000 Server SP2