Vulnerability Note VU#381161

Novell NetMail IMAP vulnerable to buffer overflow when processing command continuation requests

Overview

A vulnerability in the way Novell Netmail handles IMAP command continuation requests may cause a buffer overflow that may allow remote execution of arbitrary code.

I. Description

Novell Netmail's IMAP server, imapd.exe, fails to properly check user input. A buffer overflow may occur when processing parameters supplied when specifying command continuation requests. An attacker must login to an affected system in order to take advantage of this vulnerability.

II. Impact

A remote, authenticated attacker may be able to execute arbitrary code or cause a denial-of-service condition.

III. Solution

Update

Novell has released an update to address this issue. See Novell document 3096026 for more details.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Novell, Inc.	Vulnerable	16-Jan-2007

References

https://secure-support.novell.com/KanisaPlatform/Publishing/134/3096026_f.SAL_Public.html
http://secunia.com/advisories/23437/
http://www.zerodayinitiative.com/advisories/ZDI-06-053.html

Credit

This issue is addressed in Novell document 3096026. Novell credits an anonymous researcher working with TippingPoint and the Zero Day Initiative for reporting this issue.

This document was written by Chris Taschner.

Other Information

Date Public:	2006-12-23
Date First Published:	2007-01-18
Date Last Updated:	2007-01-18
CERT Advisory:
CVE-ID(s):	CVE-2006-6424
NVD-ID(s):	CVE-2006-6424
US-CERT Technical Alerts:
Metric:	5.49
Document Revision:	10

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Produced 2007 by US-CERT, a government organization
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