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Category:   OS (Microsoft)  >   Windows TCP/IP Stack Vendors:   Microsoft
Windows TCP/IP Stack Lets Local Users Gain Elevated Privileges and Remote Users Deny Service
SecurityTracker Alert ID:  1024311
SecurityTracker URL:  http://securitytracker.com/id/1024311
CVE Reference:   CVE-2010-1892, CVE-2010-1893   (Links to External Site)
Date:  Aug 10 2010
Impact:   Denial of service via network, Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Vista SP2, 2008 SP2, 7, 2008 R2; and prior service packs
Description:   Two vulnerabilities were reported in the Windows TCP/IP Stack. A local user can obtain elevated privileges on the target system. A remote user can cause denial of service conditions.

A remote user can send a small number of IPv6 packets with a specially crafted extension header to cause the target system to stop responding [CVE-2010-1892].

Darren Willis of Fourteenforty Research Institute, Inc. reported this vulnerability.

A local user can trigger an integer underflow and execute arbitrary code on the target system with System-level privileges [CVE-2010-1893].

Matthieu Suiche of MoonSols reported this vulnerability.

Impact:   A local user can obtain elevated privileges on the target system.

A remote user can cause the target system to stop responding.

Solution:   The vendor has issued the following fixes:

Windows Vista Service Pack 1 and Windows Vista Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=4684C4DF-0A5C-4DBA-82E5-059378737118

Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=18152CD4-815F-425F-8694-FBABCBE80609

Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=844404BE-F2E8-47BC-9650-9E2BBE383814

Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=08491C73-66B1-4C4C-8740-EA596A730FC1

Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?familyid=8AA12902-C234-4FD9-BBA3-6767EAFC38FC

Windows 7 for 32-bit Systems:

http://www.microsoft.com/downloads/details.aspx?familyid=3A5A088E-644A-4A0E-9A09-0370BCD97688

Windows 7 for x64-based Systems:

http://www.microsoft.com/downloads/details.aspx?familyid=163FE2BD-F999-47C1-9A35-C4FC868BDA51

Windows Server 2008 R2 for x64-based Systems:

http://www.microsoft.com/downloads/details.aspx?familyid=A1F95600-34E5-44B3-B2CB-B2B2CBF645CB

Windows Server 2008 R2 for Itanium-based Systems:

http://www.microsoft.com/downloads/details.aspx?familyid=C3CD7F2F-E198-4FBD-A65D-21A1BF51EB61

A restart is required.

The Microsoft advisory is available at:

http://www.microsoft.com/technet/security/bulletin/ms10-058.mspx

Vendor URL:  www.microsoft.com/technet/security/bulletin/ms10-058.mspx (Links to External Site)
Cause:   Access control error, Boundary error

Message History:   None.


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