I. BACKGROUND
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:
http://www.novell.com/products/netmail/
II. DESCRIPTION
Remote exploitation of a buffer overflow vulnerability in Novell Inc.'s
NetMail IMAP daemon allows authenticated attackers to execute arbitrary
code with the privileges of the underlying user.
Once logged in, attackers can execute the "subscribe" command with an
overly long argument string to overflow a stack based buffer.
III. ANALYSIS
Exploitation allows authenticated remote attackers to execute arbitrary
code with the privileges of the underlying user.
IV. DETECTION
iDefense has confirmed the existence of the vulnerability in version 3.52d
of Novell NetMail. It is suspected that earlier versions of NetMail are
also affected.
V. WORKAROUND
Employ firewalls, access control lists or other TCP/UDP restriction
mechanisms to limit access to systems and services.
VI. VENDOR RESPONSE
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.
http://www.novell.com/support/search.do?cmd=displayKC&docType=kc&exter
nalId=3717068&sliceId=SAL_Public&dialogID=22219381&stateId=0%200%20222
25106
VII. CVE INFORMATION
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
VIII. DISCLOSURE TIMELINE
10/10/2006 Initial vendor notification
10/11/2006 Initial vendor response
12/23/2006 Coordinated public disclosure
IX. CREDIT
This vulnerability was reported to iDefense by CIRT.DK.
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X. LEGAL NOTICES
Copyright © 2006 iDefense, Inc.
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Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
