Technical Description

A vulnerability has been identified in Microsoft Windows, which could be exploited by remote attackers to execute arbitrary commands. This flaw is due to a heap overflow error in the "MTX_LZCOMP_UnPackMemory" function of "T2EMBED.DLL" when uncompressing Embedded Open Type (EOT) Web fonts, which could be exploited by remote attackers to compromise a vulnerable system by convincing a user to visit a malicious Web site or view a specially crafted e-mail message.

Affected Products

Microsoft Windows 2000 Service Pack 4
Microsoft Windows XP Service Pack 1
Microsoft Windows XP Service Pack 2
Microsoft Windows XP Professional x64 Edition
Microsoft Windows Server 2003
Microsoft Windows Server 2003 Service Pack 1
Microsoft Windows Server 2003 (Itanium)
Microsoft Windows Server 2003 SP1 (Itanium)
Microsoft Windows Server 2003 x64 Edition
Microsoft Windows 98
Microsoft Windows 98 Second Edition (SE)
Microsoft Windows Millennium Edition (ME)

Solution

Microsoft Windows 2000 Service Pack 4 :
http://www.microsoft.com/downloads/details.aspx?FamilyId=DC6C2FE8-3C81-4661-994B-4146775BF590

Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2 :
http://www.microsoft.com/downloads/details.aspx?FamilyId=6DAEA2AF-3723-4CDF-B5BD-B21AC75B5243

Microsoft Windows XP Professional x64 Edition :
http://www.microsoft.com/downloads/details.aspx?FamilyId=1990B2CF-AE88-4849-AEAB-3F833969E197

Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 :
http://www.microsoft.com/downloads/details.aspx?FamilyId=5FC12654-486F-45BF-8D34-BDF0998869C5

Microsoft Windows Server 2003 (Itanium) and Microsoft Windows Server 2003 SP1 (Itanium) :
http://www.microsoft.com/downloads/details.aspx?FamilyId=E39D2E29-8934-4AA1-844D-11EFA57D9CC5

Microsoft Windows Server 2003 x64 Edition :
http://www.microsoft.com/downloads/details.aspx?FamilyId=80B05C56-5BCE-4262-8142-AF0D8A7BC388

References

http://www.vupen.com/english/advisories/2006/0118
http://www.microsoft.com/technet/security/Bulletin/MS06-002.mspx

Credits

Vulnerability reported by eEye Digital Security

ChangeLog

2006-01-10 : Initial release

Vulnerability Management

Subscribe to VUPEN VNS and receive real-time alerts when new advisories or patches relevant to your systems and network configurations are available.

Feedback

If you have additional information or corrections for this security advisory please submit them via our contact form.