Vulnerability Note VU#130614

Microsoft Outlook Express vulnerable to remote code execution

Overview

A vulnerability in Microsoft Outlook Express's NNTP response parsing may allow an attacker to execute arbitrary code.

I. Description

Microsoft Outlook Express contains support for Network News Transfer Protocol (NNTP) data, which is defined in RFC 977 and RFC 2980. A flaw in Outlook Express' handling of NNTP responses may lead to a buffer overflow condition if a specially-crafted reply is sent by a compromised or malicious NNTP server.

II. Impact

A remote, unauthenticated attacker with the ability to control an NNTP server that a host is connected to may be able to execute arbitrary code in the security context of the local user.

III. Solution

Apply an Update

Please see Microsoft Security Bulletin MS05-030 for more information, such as workarounds and patches.

Utilize Workarounds

Microsoft Security Bulletin MS05-030

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	14-Jun-2005

References

http://www.microsoft.com/technet/security/bulletin/MS05-030.mspx
http://secunia.com/advisories/15695/

Credit

Thanks to Microsoft for information on this vulnerability, who in turn credit iDEFENSE with reporting this vulnerability.

This document was written by Ken MacInnis.

Other Information

Date Public:	2005-06-14
Date First Published:	2005-06-14
Date Last Updated:	2005-06-20
CERT Advisory:
CVE-ID(s):	CAN-2005-1213
NVD-ID(s):	CAN-2005-1213
US-CERT Technical Alerts:
Metric:	2.81
Document Revision:	9

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Produced 2005 by US-CERT, a government organization
Disclaimers and copyright information

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