[VulnWatch] iDefense Security Advisory 05.10.07: Novell NetMail NMDMC Buffer Overflow Vulnerability
- From: iDefense Labs <labs-no-reply@xxxxxxxxxxxx>
- Date: Thu, 10 May 2007 16:44:00 -0400
Novell NetMail NMDMC Buffer Overflow Vulnerability
iDefense Security Advisory 05.10.07
May 10, 2007
Novell Inc.'s NetMail is an e-mail and calendar system that is based on
standard Internet protocols. More information can be found at the URL
Remote exploitation of a buffer overflow vulnerability within Novell
Inc.'s NetMail allows attackers to execute arbitrary code with the
privileges of the service.
This vulnerability specifically exists within the SSL version of the
"NMDMC.EXE" service. The application does not perform sufficient input
validation when copying data into a fixed size stack buffer. When
processing a specially crafted request made to this service, a
stack-based buffer overflow occurs leading to corruption of program
control registers saved on the stack.
Exploitation allows attackers to execute code in the context of the
running service. By default this service runs with the privileges of
No authentication is required to reach the vulnerable code.
Additionally, this is an SSL based service which complicates writing
It appears that the non-SSL version of this service is not vulnerable.
iDefense has confirmed the existence of this vulnerability within
version 3.52e_FTF2 of Novell Inc's NetMail. Older versions are
suspected to be vulnerable.
Employ firewalls to minimize the exposure of this service.
VI. VENDOR RESPONSE
Novell has addressed this vulnerability in the beta release of Novell
NetMail 3.52f. For more information, consult the document located at
the following URL.
VII. CVE INFORMATION
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.
VIII. DISCLOSURE TIMELINE
02/07/2007 Initial vendor notification
02/08/2007 Initial vendor response
05/10/2007 Public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2007 iDefense, Inc.
Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice@xxxxxxxxxxxx for permission.
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.
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