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AUSCERT External Security Bulletin Redistribution
3 July 2009
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Desktop v.5 client
Red Hat Enterprise Linux v.5 server
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2009-2185
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Red Hat Security Advisory
Synopsis: Important: openswan security update
Advisory ID: RHSA-2009:1138-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1138.html
Issue date: 2009-07-02
CVE Names: CVE-2009-2185
Updated openswan packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 5.
This update has been rated as having important security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Openswan is a free implementation of Internet Protocol Security (IPsec)
and Internet Key Exchange (IKE). IPsec uses strong cryptography to provide
both authentication and encryption services. These services allow you to
build secure tunnels through untrusted networks. Everything passing through
the untrusted network is encrypted by the IPsec gateway machine, and
decrypted by the gateway at the other end of the tunnel. The resulting
tunnel is a virtual private network (VPN).
Multiple insufficient input validation flaws were found in the way
Openswan's pluto IKE daemon processed some fields of X.509 certificates. A
remote attacker could provide a specially-crafted X.509 certificate that
would crash the pluto daemon. (CVE-2009-2185)
All users of openswan are advised to upgrade to these updated packages,
which contain a backported patch to correct these issues. After installing
this update, the ipsec service will be restarted automatically.
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
5. Bugs fixed (http://bugzilla.redhat.com/):
507362 - CVE-2009-2185 Openswan ASN.1 parser vulnerability
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Red Hat Enterprise Linux (v. 5 server):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2009 Red Hat, Inc.
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