Microsoft Exchange Server fails to properly decode MIME email messages

Overview

Microsoft Exchange Server contains a remote code execution vulnerability that could enable an attacker to execute arbitrary code and gain complete control of the vulnerable system.

Description

Microsoft Exchange Server fails to properly process MIME messages. When an email message containing base64 encoded content is opened, Microsoft Exchange Server does not properly decode the base64 content. An attacker could send a specially crafted email that, when opened, could allow the attacker to execute arbitrary code. The attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

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Impact

By sending a specially crafted email message to a Microsoft Exchange Server, a remote, unauthenticated attacker could execute arbitrary code on the server.

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Solution

Microsoft addresses this vulnerability with the updates listed in Microsoft Security Bulletin MS07-026.

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Vendor Information

343145

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Updated: May 08, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Microsoft addresses this vulnerability with the updates listed in Microsoft Security Bulletin MS07-026.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23343145 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/ms07-026.mspx&gt;
• <http://secunia.com/advisories/25183/&gt;

Acknowledgements

This document was written by Joseph W Pruszynski.

Other Information

CVE IDs:	CVE-2007-0213
Severity Metric:	68.85 Date Public: