Vulnerability Note VU#334928

Overview

Certain versions of Microsoft Internet Explorer (IE) that support double-byte character sets (DBCS) contain a buffer overflow vulnerability in the Type attribute of the OBJECT element. A remote attacker could execute arbitrary code with the privileges of the user running IE.

Description

Microsoft Security Bulletin MS03-032 and SNS Advisory No.68 describe a buffer overflow vulnerability in the Type attribute of the OBJECT element. This vulnerability only affects double-byte character set versions of IE (e.g. Japanese) and may be related to VU#679556/CAN-2003-0344/MS030-020.

Impact

By convincing a victim to view an HTML document (web site, HTML email message), a remote attacker could execute arbitrary code with the privileges of the victim.

Solution

Apply patch Apply 822925 or a more recent cumulative patch for IE. See Microsoft Security Bulletin MS03-032.

Systems Affected (Learn More)

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Affected	25 Aug 2003	25 Aug 2003

If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group	Score	Vector
Base	N/A	N/A
Temporal	N/A	N/A
Environmental	N/A	N/A

References

• http://www.lac.co.jp/security/english/snsadv_e/68_e.html
• http://www.microsoft.com/technet/security/bulletin/MS03-032.asp
• http://msdn.microsoft.com/workshop/author/dhtml/reference/objects/object.asp
• http://xforce.iss.net/xforce/xfdb/12970
• http://www.securityfocus.com/bid/7806

Credit

Microsoft credits LAC/SNS for reporting this vulnerability. Information used in this document came from LAC/SNS and Microsoft.

This document was written by Art Manion.

Other Information

• CVE IDs: CAN-2003-0701
• CERT Advisory: CA-2003-22
• Date Public: 20 Aug 2003
• Date First Published: 26 Aug 2003
• Date Last Updated: 11 Aug 2005
• Severity Metric: 7.09
• Document Revision: 16