Microsoft Outlook / Exchange TNEF Decoding Arbitrary Code Execution - Advisories

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Microsoft Outlook / Exchange TNEF Decoding Arbitrary Code Execution

Secunia Advisory:	SA18368
Release Date:	2006-01-10
Last Update:	2006-05-04

Critical:	Highly critical
Impact:	System access
Where:	From remote
Solution Status:	Vendor Patch

Software:	Microsoft Exchange 2000 Enterprise Server Microsoft Exchange 5 Microsoft Exchange 5.5 Microsoft Exchange Server 2000 Microsoft Outlook 2000 Microsoft Outlook 2002 Microsoft Outlook 2003

CVE reference:	CVE-2006-0002 (Secunia mirror)

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Description: NGSSoftware has reported a vulnerability in Microsoft Outlook / Exchange, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to boundary error when decoding the Transport Neutral Encapsulation Format (TNEF) MIME attachment. This can be exploited to execute arbitrary code when the user opens or previews a specially crafted TNEF email message or when the Microsoft Exchange Server Information Store processes the message. Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, scan using the Network Software Inspector. Solution: Apply patches. -- Microsoft Office 2000 Service Pack 3 -- Microsoft Outlook 2000: http://www.microsoft.com/downloads/de...=64D0336D-F962-4AB1-A724-9F6BA2108CB9 Microsoft Office 2000 MultiLanguage Packs: http://www.microsoft.com/downloads/de...=2C0FA7C7-91AA-49B4-9731-9E83E3E0823D Microsoft Outlook 2000 English MultiLanguage Packs: http://www.microsoft.com/downloads/de...=2C0FA7C7-91AA-49B4-9731-9E83E3E0823D -- Microsoft Office XP Service Pack 3 -- Microsoft Outlook 2002: http://www.microsoft.com/downloads/de...=9A85CEBB-0D9A-465D-A4BC-AF501562772D Microsoft Office XP Multilingual User Interface Packs: http://www.microsoft.com/downloads/de...=CCA9399A-6DA3-4163-8398-C58DC328182B -- Microsoft Office 2003 Service Pack 1 and Service Pack 2 -- Microsoft Outlook 2003: http://www.microsoft.com/downloads/de...=1D156043-B041-4305-8442-3C4E3B832788 Microsoft Office 2003 Multilingual User Interface Packs: http://www.microsoft.com/downloads/de...=D69554AD-196F-4789-91E5-B2A753EED854 Microsoft Office 2003 Language Interface Packs: http://www.microsoft.com/downloads/de...=db080de8-8193-4c32-9019-9980ecd6874a -- Microsoft Exchange Server -- Microsoft Exchange Server 5.0 Service Pack 2: http://www.microsoft.com/downloads/de...=0A8DF1C3-ABF9-4A21-9B49-81FA362B251F Microsoft Exchange Server 5.5 Service Pack 4: http://www.microsoft.com/downloads/de...=EC6BD30E-12DE-4CA1-9432-D2E73AF62427 Microsoft Exchange 2000 Server Pack 3 (with the Exchange 2000 Post-Service Pack 3 Update Rollup of August 2004): http://www.microsoft.com/downloads/de...=372FF07F-C3CA-4301-8559-9B90344EDC02 Note: Microsoft Exchange Server 2003 SP1/SP2 are not affected. Provided and/or discovered by: John Heasman and Mark Litchfield of NGSSoftware. Changelog: 2006-01-11: Updated "Other References" section. 2006-05-04: Added links to NGSSoftware advisory. Original Advisory: MS06-003 (KB902412): http://www.microsoft.com/technet/security/Bulletin/MS06-003.mspx NGSSoftware: http://www.ngssoftware.com/advisories/tnefout.txt http://www.ngssoftware.com/advisories/tnefexc.txt Other References: US-CERT VU#252146: http://www.kb.cert.org/vuls/id/252146



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise. Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

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