bugtraq - [SECURITY] [DSA 2893-1] openswan security update

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Message-ID: <20140331200050.GA18184@scapa.corsac.net>
Date: Mon, 31 Mar 2014 22:00:54 +0200
From: Yves-Alexis Perez <corsac@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 2893-1] openswan security update

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Debian Security Advisory DSA-2893-1                   security@...ian.org
http://www.debian.org/security/                         Yves-Alexis Perez
March 31, 2014                         http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : openswan
CVE ID         : CVE-2013-2053 CVE-2013-6466

Two vulnerabilities were fixed in Openswan, an IKE/IPsec implementation
for Linux.

CVE-2013-2053

    During an audit of Libreswan (with which Openswan shares some code),
    Florian Weimer found a remote buffer overflow in the atodn()
    function.  This vulnerability can be triggered when Opportunistic
    Encryption (OE) is enabled and an attacker controls the PTR record
    of a peer IP address.
    Authentication is not needed to trigger the vulnerability.

CVE-2013-6466

    Iustina Melinte found a vulnerability in Libreswan which also
    applies to the Openswan code. By carefuly crafting IKEv2 packets, an
    attacker can make the pluto daemon derefeences non-received IKEv2
    payload, leading to the daemon crash.
    Authentication is not needed to trigger the vulnerability.

Patches were originally written to fix the vulnerabilities in Libreswan,
and have been ported to Openswan by Paul Wouters from the Libreswan
Project.

Since the Openswan package is not maintained anymore in the Debian
distribution and is not available in testing and unstable suites, it is
recommended for IKE/IPsec users to switch to a supported implementation
like strongSwan.

For the oldstable distribution (squeeze), these problems have been fixed in
version 2.6.28+dfsg-5+squeeze2.

For the stable distribution (wheezy), these problems have been fixed in
version 2.6.37-3.1.

We recommend that you upgrade your openswan packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org
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