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Linux Compatible » News » April 2004 » GLSA 200404-05: ipsec-tools contains an X.509 certificates

GLSA 200404-05: ipsec-tools contains an X.509 certificates

Posted by Philipp Esselbach on: 04/07/2004 10:40 AM [ Print | 0 comment(s) ]

An ipsec-tools update for Gentoo Linux has been released

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Gentoo Linux Security Advisory GLSA 200404-05
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http://security.gentoo.org
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Severity: High
Title: ipsec-tools contains an X.509 certificates vulnerability.

Date: April 07, 2004

Bugs: #47013
ID: 200404-05

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Synopsis
========

ipsec-tools contains a vulnerability that affects connections authenticated with X.509 certificates.




Background
==========

From http://ipsec-tools.sourceforge.net/ :

"IPsec-Tools is a port of KAME's IPsec utilities to the Linux-2.6 IPsec implementation."

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
net-firewall/ipsec-tools <= 0.2.4 >= 0.2.5

Description
===========

racoon (a utility in the ipsec-tools package) does not verify digital signatures on Phase1 packets. This means that anybody holding the correct X.509 certificate would be able to establish a connection, even if they did not have the corresponding private key.

Impact
======

Since digital signatures are not verified by the racoon tool, an attacker may be able to connect to the VPN gateway and/or execute a man-in-the-middle attack.

Workaround
==========

A workaround is not currently known for this issue. All users are advised to upgrade to the latest version of the affected package.

Resolution
==========

ipsec-tools users should upgrade to version 0.2.5 or later:

# emerge sync

# emerge -pv ">=net-firewall/ipsec-tools-0.2.5"
# emerge ">=net-firewall/ipsec-tools-0.2.5"

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.


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Linux Compatible » News » April 2004 » GLSA 200404-05: ipsec-tools contains an X.509 certificates
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