Public Vulnerability Reports

Novell Netmail IMAP append Denial of Service Vulnerability



Novell NetMail is an e-mail and calendar system that is based on standard Internet protocols.

More information can be found at the vendors site:


Remote exploitation of a Denial of Service vulnerability in Novell Netmail 3.52 could allow an authenticated attacker the ability to crash the imapd server.

Novell NetMail can be made to crash by sending an APPEND command with a single '(' character as an argument.


This vulnerability is limited to a DoS only condition and requires authentication in order to exploit it.


iDefense has confirmed the existence of this vulnerability in the IMAPD server of Novell NetMail 3.52d and 3.52e. Older versions are suspected to be vulnerable as well.


iDefense is currently unaware of any effective workaround for this issue.


Novell has addressed this vulnerability in version 3.52e FTF2 of NetMail. For more information consult Novell TID 3717068. This document is available at the following link.


A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not been assigned yet.


10/16/2006 Initial vendor notification
10/19/2006 Initial vendor response
12/23/2006 Coordinated public disclosure


This vulnerability was reported to iDefense by CIRT.DK.

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Copyright © 2006 Verisign, Inc.

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