Date: Tue, 02 Aug 2005 14:48:28 +0200
From: Thierry Carrez <koon@gentoo.org.>
To: gentoo-announce@lists.gentoo.org
Subject: [ GLSA 200508-03 ] nbSMTP: Format string vulnerability
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Gentoo Linux Security Advisory GLSA 200508-03
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http://security.gentoo.org/
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Severity: Normal
Title: nbSMTP: Format string vulnerability
Date: August 02, 2005
Bugs: #100274
ID: 200508-03
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Synopsis
========
nbSMTP is vulnerable to a format string vulnerability which may result
in remote execution of arbitrary code.
Background
==========
nbSMTP is an SMTP client suitable to run in chroot jails, in embedded
systems, laptops and workstations.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 mail-mta/nbsmtp < 1.00 >= 1.00
Description
===========
Niels Heinen discovered a format string vulnerability.
Impact
======
An attacker can setup a malicious SMTP server and exploit this
vulnerability to execute arbitrary code with the permissions of the
user running nbSMTP.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All nbSMTP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/nbsmtp-1.0"
References
==========
[ 1 ] nbSMTP official site
http://nbsmtp.ferdyx.org/
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200508-03.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.0
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