* [gentoo-announce] [ GLSA 201101-06 ] IO::Socket::SSL: Certificate validation error
@ 2011-01-16 11:11 99% Stefan Behte
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From: Stefan Behte @ 2011-01-16 11:11 UTC (permalink / raw
To: gentoo-announce; +Cc: bugtraq, full-disclosure, security-alerts
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Gentoo Linux Security Advisory GLSA 201101-06
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http://security.gentoo.org/
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Severity: Normal
Title: IO::Socket::SSL: Certificate validation error
Date: January 16, 2011
Bugs: #276360
ID: 201101-06
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Synopsis
========
An error in the hostname matching of IO::Socket::SSL might enable
remote attackers to conduct man-in-the-middle attacks.
Background
==========
IO::Socket::SSL is a Perl class implementing an object oriented
interface to SSL sockets.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-perl/IO-Socket-SSL < 1.26 >= 1.26
Description
===========
The vendor reported that IO::Socket::SSL does not properly handle
Common Name (CN) fields.
Impact
======
A remote attacker might employ a specially crafted certificate to
conduct man-in-the-middle attacks on SSL connections made using
IO::Socket::SSL.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All IO::Socket::SSL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-perl/IO-Socket-SSL-1.26"
References
==========
[ 1 ] CVE-2009-3024
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3024
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201101-06.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 2011 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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