[gentoo-announce] [ GLSA 201101-06 ] IO::Socket::SSL: Certificate validation error

[news 28]

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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 ( -at -) 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