MS.Exchange.Server.TNEF.Code.Execution

Last Updated DateMar 31, 2009
Release DateFeb 16, 2009
SeverityCritical
ImpactSystem Compromise: Remote attackers can gain control of vulnerable systems.
DescriptionThis indicates an attack attempt against a buffer-overflow vulnerability in Microsoft Exchange.

The vulnerability is caused by an error when the vulnerable software handles a crafted TNEF context. It allows a remote attacker to execute arbitrary code via sending a crafted mail.
Affected ProductsMicrosoft Exchange 2000 Server Service Pack 3 with the Update Rollup of August 2004
Microsoft Exchange Server 2003 Service Pack 2
Microsoft Exchange Server 2007 Service Pack 1
Recommended ActionsApply the patch, available from the vendor's website:
http://www.microsoft.com/technet/security/Bulletin/MS09-003.mspx.
Common Vulnerabilities and Exposures (CVE)http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-0098
Microsoft Bulletin IDMS09-003   http://www.microsoft.com/technet/security/Bulletin/MS09-003.mspx
Reference: VID-17255