Technical Description

Multiple vulnerabilities have been identified in Microsoft Windows, which could be exploited by attackers to cause a denial of service or take complete control of an affected system.

The first issue is caused by an error in the Windows kernel when processing fragmented router advertisement ICMP packets, which could be exploited by remote attackers to cause a vulnerable system to stop responding via specially crafted ICMP packets.

Note : Router Discovery Protocol (RDP) is required in order to exploit this vulnerability (disabled by default).

The second vulnerability is caused by an error in the Windows kernel when storing the state of IGMP requests processed by TCP/IP, which could be exploited by remote attackers to crash or compromise a vulnerable system via specially crafted IGMPv3 and MLDv2 packets.

Affected Products

Microsoft Windows 2000 Service Pack 4
Microsoft Windows XP Service Pack 2
Microsoft Windows XP Professional x64 Edition
Microsoft Windows XP Professional x64 Edition Service Pack 2
Microsoft Windows Server 2003 Service Pack 1
Microsoft Windows Server 2003 Service Pack 2
Microsoft Windows Server 2003 x64 Edition
Microsoft Windows Server 2003 x64 Edition Service Pack 2
Microsoft Windows Server 2003 SP1 (Itanium)
Microsoft Windows Server 2003 SP2 (Itanium)
Microsoft Windows Vista
Microsoft Windows Vista x64 Edition

Solution

Apply patch for Microsoft Windows 2000 Service Pack 4 :
http://www.microsoft.com/downloads/details.aspx?FamilyID=980f5457-c7b5-421c-8643-0e57429ec156

Apply patch for Microsoft Windows XP Service Pack 2 :
http://www.microsoft.com/downloads/details.aspx?FamilyID=0a766242-2342-4fa0-9b66-8953c54a2211

Apply patch for Microsoft Windows XP Professional x64 :
http://www.microsoft.com/downloads/details.aspx?FamilyID=2e8bc7d5-fe81-4ed5-9efa-360738d160ee

Apply patch for Microsoft Windows Server 2003 :
http://www.microsoft.com/downloads/details.aspx?FamilyID=fda060a5-9a1e-4036-9899-13eb61fdd8be

Apply patch for Microsoft Windows Server 2003 x64 Edition :
http://www.microsoft.com/downloads/details.aspx?FamilyID=19d993f9-06dd-4dc4-b0cc-c59e822eb8fa

Apply patch for Microsoft Windows Server 2003 (Itanium) :
http://www.microsoft.com/downloads/details.aspx?FamilyID=2c2264f7-ebbb-40ab-9dbf-9b4e313665a7

Apply patch for Microsoft Windows Vista :
http://www.microsoft.com/downloads/details.aspx?FamilyID=23c0e03a-db66-4618-bce0-af55e5c1b067

Apply patch for Microsoft Windows Vista x64 Edition :
http://www.microsoft.com/downloads/details.aspx?FamilyID=5f6a37b1-c604-47c9-932f-485db2eda133

References

http://www.vupen.com/english/advisories/2008/0069
http://www.microsoft.com/technet/security/bulletin/ms08-001.mspx

Credits

Vulnerabilities reported by Alex Wheeler and Ryan Smith (IBM ISS X-Force).

ChangeLog

2008-01-08 : Initial release

Vulnerability Management

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