Vulnerability Note VU#992132

Microsoft Access Snapshot Viewer vulnerable to buffer overflow when validating parameters

Overview

A remotely exploitable vulnerability exists in the Microsoft Access Snapshot Viewer ActiveX control. Exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the local system with the privileges of the current user.

I. Description

According to Microsoft's Security Bulletin MS03-038, a buffer overflow vulnerability exists in the ActiveX control that is used to view Microsoft Access databases without having Microsoft Access installed. The buffer overflow occurs in the code that validates parameters for the Snapshot Viewer control. This vulnerability can be exploited via a malicious webpage, HTML-parsed email or any application that recognizes and launches ActiveX controls. A victim must visit a malicious site, or open a malicious message to be exploited. This control is not installed by default, but can be installed with Access, or as a stand-alone control.

II. Impact

Exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the local system with the privileges of the current user.

III. Solution

Apply the patch from Microsoft's Security Bulletin MS03-038.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	4-Sep-2003

References

http://www.microsoft.com/technet/security/bulletin/MS03-038.asp
http://www.microsoft.com/security/security_bulletins/ms03-038.asp
http://www.secunia.com/advisories/9668/

Credit

Thanks to the Microsoft Security team for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

Date Public:	2003-09-03
Date First Published:	2003-09-04
Date Last Updated:	2003-09-04
CERT Advisory:
CVE-ID(s):	CAN-2003-0665
NVD-ID(s):	CAN-2003-0665
US-CERT Technical Alerts:
Metric:	16.87
Document Revision:	3

If you have feedback, comments, or additional information about this vulnerability, please send us email.