Vulnerability Note VU#869640
Microsoft Outlook Express fails to properly validate malformed e-mail headers
A vulnerability exists in some versions of Microsoft Outlook Express that could allow a remote attacker to cause a denial of service.
According to Microsoft Security Bulletin MS04-018, a flaw exists in the way that some versions of Microsoft's Outlook Express mail client validate message headers. This flaw results in a vulnerability that could cause the Outlook Express program to crash when an email message containing certain malformed headers are received. The specific nature of the malformation is not known at this time.
Microsoft's bulletin states that the following versions of Outlook Express are affected by this issue:
An attacker with the ability to craft and deliver a specially-formed email message could cause the Outlook Express program on the recipient's computer to crash.
Apply a patch from the vendor
Disabling the preview pane will prevent the malicious e-mail message from causing Outlook Express to fail on each restart. To disable the preview pane, follow these steps:
Systems Affected (Learn More)
|Vendor||Status||Date Notified||Date Updated|
|Microsoft Corporation||Affected||-||14 Jul 2004|
CVSS Metrics (Learn More)
Thanks to Microsoft Security for reporting this vulnerability.
This document was written by Chad R Dougherty based upon information provided in Microsoft Security Bulletin MS04-018.
- CVE IDs: CAN-2004-0215
- Date Public: 13 Jul 2004
- Date First Published: 14 Jul 2004
- Date Last Updated: 23 Jul 2004
- Severity Metric: 7.48
- Document Revision: 16
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