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Microsoft Access Snapshot Viewer ActiveX Control Vulnerability
Secunia Advisory: SA30883
Release Date: 2008-07-07
Last Update: 2008-10-15
Popularity: 18,173 views

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

Software:Microsoft Access 2000
Microsoft Access 2002
Microsoft Access 2003
Microsoft Access Snapshot Viewer
Microsoft Office 2000
Microsoft Office 2003 Professional Edition
Microsoft Office 2003 Small Business Edition
Microsoft Office 2003 Standard Edition
Microsoft Office 2003 Student and Teacher Edition
Microsoft Office XP

Binary Analysis: BA513 :: Available for 1 Credit

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CVE reference:CVE-2008-2463


Description:
A vulnerability has been discovered in Snapshot Viewer for Microsoft Access, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a race condition in the snapview.ocx ActiveX control when setting the "SnapshotPath" and "CompressedPath" properties. This can be exploited to automatically download files to arbitrary locations on a user's system when e.g. visiting a malicious website.

Successful exploitation allows execution of arbitrary code.

NOTE: The vulnerability is currently being actively exploited.

Solution:
Apply patches.

Snapshot Viewer for Microsoft Access:
http://www.microsoft.com/downloads/de...=7C22BB32-7CE3-4FF2-8366-BA2EB5135833

Microsoft Office Access 2000 SP3:
http://www.microsoft.com/downloads/de...=54e4031d-298f-480c-88d5-0ad3b2b62ba9

Microsoft Office Access 2002 SP3:
http://www.microsoft.com/downloads/de...=34b655f8-1922-4246-94ca-ed381c3e3b13

Microsoft Office Access 2003 SP2/SP3:
http://www.microsoft.com/downloads/de...=fd698517-a504-427d-9e5f-fde8f102142c

NOTE: Microsoft has issued a Security Update that sets the kill-bits for affected components.
http://support.microsoft.com/kb/956391

Provided and/or discovered by:
Reported as a 0-day.

Changelog:
2008-08-12: Added additional information. Updated "Solution" section.
2008-10-15: Updated "Solution" section with "Snapshot Viewer for Microsoft Access" patch information. Added note to "Solution" and link to "Original Advisory" section.

Original Advisory:
MS08-041 (KB955617):
http://www.microsoft.com/technet/security/Bulletin/MS08-041.mspx

Microsoft:
http://www.microsoft.com/technet/security/advisory/955179.mspx
http://blogs.technet.com/msrc/archive...er-activex-control-vulnerability.aspx
http://www.microsoft.com/technet/security/advisory/956391.mspx

Other References:
US-CERT VU#837785:
http://www.kb.cert.org/vuls/id/837785

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