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Insecure Library Loading
Highly critical

Microsoft Access Snapshot Viewer Buffer Overflow

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Release Date:  2003-09-03    Views:  34,092

Secunia Advisory SA9668

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been identified in Microsoft Access Snapshot Viewer ActiveX control potentially allowing malicious HTML documents and Microsoft Access Snapshot files to cause a buffer overflow.

The problem is that Microsoft Access Snapshot Viewer doesn't verify certain parameters properly. This allows malicous people to create snapshot files, which may cause a buffer overflow and execute arbitrary code.

Since the vulnerability exists in a digitally signed ActiveX control this also affects any Internet Explorer, which allows execution of ActiveX. Any site or person may re-introduce this vulnerability until the next update for Internet Explorer, which will set the kill-bit on the vulnerable ActiveX component.


Solution:
Secunia recommends that you disallow ActiveX for all sites and then only allow ActiveX on a "per site" basis.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Oliver Lavery

Original Advisory:
http://www.microsoft.com/technet/security/bulletin/MS03-038.asp

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Access Snapshot Viewer Buffer Overflow

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