Tuesday, October 11, 2005

Microsoft Exchange Buffer Overflow in Collaboration Data Objects Lets Remote Users Execute Arbitrary Code

SecurityTracker Alert ID: 1015038
SecurityTracker URL: http://securitytracker.com/id?1015038
CVE Reference: CAN-2005-1987
Date: Oct 11 2005
Impact: Execution of arbitrary code via network, User access via network
Fix Available: Yes Vendor Confirmed: Yes
Advisory: Microsoft Security Advisory
Version(s): Microsoft Exchange 2000 Server SP3
Description: A vulnerability was reported in Microsoft Exchange in the Collaboration Data Objects component. A remote user can execute arbitrary code on the target system.

The Collaboration Data Objects (CDO) COM component contains a buffer overflow. A remote user can supply a specially crafted message to be processed by CDOSYS or CDOEX to trigger a buffer overflow and execute arbitrary code on the target system. SMTP can be used as an attack vector.

Microsoft Windows is also affected.

The vendor credits Gary O leary-Steele of Sec-1 with reporting this vulnerability.
Impact: A remote user can execute arbitrary code on the target system.
Solution: The vendor has issued the following fixes:

Microsoft Windows 2000 Service Pack 4:

http://www.microsoft.com/downloads/details.aspx?FamilyId=AE0BA6D7-37AF-46E8-9E25-AB 63883FA944

Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2:

http://www.microsoft.com/downloads/details.aspx?FamilyId=E0DAF2D1-656C-4580- 94C1-8AB009B4AD4F

Microsoft Windows XP Professional x64 Edition:

http://www.microsoft.com/downloads/details.aspx?FamilyId=D389EF4D-583D-41C0-9081-844D348F3817

Mi crosoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1:

http://www.microsoft.com/downloads/details.aspx?FamilyId=1BC06799-B9F5-416F-8965-DC0E07A2 4A29

Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems:

http://www.microsoft.com/download s/details.aspx?FamilyId=956FFD90-60AF-4296-8765-F0A17A77DB77

Microsoft Windows Server 2003 x64 Edition:

http://www.microsoft.com/downloads/details.aspx?FamilyId=550 4C410-CDCB-4826-B002-DBA0E3A402A4

Microsoft Exchange 2000 Server Service Pack 3 with the Exchange 2000 Post-Service Pack 3 Update Rollup of August 2004:

http://www.microsoft.com/downloads/details.aspx?FamilyId=60FD0DDC-04B7-4879-930B-53375823CD51

A restart is not required.
Vendor URL: www.microsoft.com/technet/security/Bulletin/MS05-048.mspx
Cause: Boundary error
Underlying OS: Windows (2000), Windows (2003), Windows (XP)

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posted by Xnet Solutions : Microsoft Exchange Buffer Overflow in Collaboration Data Objects Lets Remote Users Execute Arbitrary Code