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[gentoo-announce] [ GLSA 201310-02 ] isync: Man-in-the-Middle attack

Posted on 05 October 2013
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201310-02
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http://security.gentoo.org/
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Severity: Low
Title: isync: Man-in-the-Middle attack
Date: October 05, 2013
Bugs: #458420
ID: 201310-02

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Synopsis
========
A vulnerability in isync could allow remote attackers to perform
man-in-the-middle attacks.

Background
==========
isync is an IMAP and MailDir mailbox synchronizer.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-mail/isync < 1.0.6 >= 1.0.6

Description
===========
isync does not properly verify the server's hostname against the CN
field in the SSL certificate.

Impact
======
A remote server could perform man-in-the-middle attacks to disclose
passwords or obtain other sensitive information.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All isync users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/isync-1.0.6"

References
==========
[ 1 ] CVE-2013-0289
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0289

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201310-02.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
https://bugs.gentoo.org.

License
=======
Copyright 2013 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/2.5


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