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AUSCERT External Security Bulletin Redistribution
ESB-2010.1140
Vulnerability in Routing and Remote Access Could Allow
Elevation of Privilege (2440591)
15 December 2010
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AusCERT Security Bulletin Summary
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Product: Routing and Remote Access NDProxy component
Publisher: Microsoft
Operating System: Windows XP
Windows Server 2003
Impact/Access: Administrator Compromise -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2010-3963
Original Bulletin:
http://www.microsoft.com/technet/security/Bulletin/MS10-099.mspx
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Microsoft Security Bulletin MS10-099 - Important
Vulnerability in Routing and Remote Access Could Allow Elevation of Privilege
(2440591)
Version: 1.0
General Information
Executive Summary
This security update addresses a privately reported vulnerability in the
Routing and Remote Access NDProxy component of Microsoft Windows. This
security update is rated Important for all supported editions of Windows XP
and Windows Server 2003. All supported editions of Windows Vista, Windows
Server 2008, Windows 7, and Windows Server 2008 R2 are not affected by the
vulnerability. For more information, see the subsection, Affected and
Non-Affected Software, in this section.
The vulnerability could allow elevation of privilege if an attacker logs on to
an affected system and runs a specially crafted application. An attacker must
have valid logon credentials and be able to log on locally to exploit this
vulnerability. The vulnerability could not be exploited remotely or by
anonymous users.
The security update addresses the vulnerability by correcting the validation
in the Routing and Remote Access component. For more information about the
vulnerability, see the Frequently Asked Questions (FAQ) subsection for the
specific vulnerability entry under the next section, Vulnerability
Information.
Affected Software
Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Vulnerability Information
Kernel NDProxy Buffer Overflow Vulnerability - CVE-2010-3963
An elevation of privilege vulnerability exists in the Routing and Remote
Access NDProxy component of the Windows kernel due to improper validation
of input passed from user mode to the kernel. The vulnerability could
allow an attacker to run code with elevated privileges. A local attacker
who successfully exploited this vulnerability could execute arbitrary code
and take complete control of an affected system. The attacker could then
install programs; view, change, or delete data; or create new accounts
with full user rights.
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