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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2010-0262
Microsoft Windows Routing and Remote Access Local Privilege Escalation Vulnerability

Original Issue Date:December 15, 2010

Severity Rating: MEDIUM

Systems Affected

  • Windows XP SP3 and prior 
  • Windows XP Professional x64 Edition SP2 and prior 
  • Windows Server 2003 SP2 and prior 
  • Windows Server 2003 x64 Edition SP2 and prior 
  • Windows Server 2003 Itanium-based Edition SP2 and prior

Overview

A vulnerability has been reported in Routing and Remote Access NDProxy component of Microsoft Windows that could allow a local user to to gain elevated privileges on a targeted system.

Description

NDPROXY is a system-provided driver that interfaces NDISWAN and CoNDIS WAN drivers (WAN miniport drivers, call managers, and miniport call managers) to the TAPI(Telephony_Application_Programming_Interface) services. NDPROXY provides the kernel-mode component of the service provider interface (SPI) for CoNDIS WAN.

The vulnerability is due to improper validation of user-supplied input to the Windows Kernel. A local user could exploit the vulnerability by running a malicious program that is designed to submit input to the NDProxy component. If successful, the attacker could create a a buffer overflow condition and execute arbitrary code on the system with kernel level privileges.

Solution

Apply appropriate patches as mentioned in the Microsoft Security Bulletin MS10-099

Vendor Information

Microsoft
http://www.microsoft.com/technet/security/bulletin/ms10-099.mspx
http://msdn.microsoft.com/en-us/library/ff568322%28VS.85%29.aspx

References

SecurityTracker
http://securitytracker.com/alerts/2010/Dec/1024881.html

Cisco
http://tools.cisco.com/security/center/viewAlert.x?alertId=21999

CVE Name
CVE-2010-3963

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-24368572

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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