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AUSCERT External Security Bulletin Redistribution
ESB-2009.0476 -- [Linux][RedHat]
ipsec-tools: Denial of service
19 May 2009
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux 5
Impact: Denial of Service
CVE Names: CVE-2009-1632 CVE-2009-1574
Original Bulletin: https://rhn.redhat.com/errata/RHSA-2009-1036.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running ipsec-tools check for an updated version of the software
for their operating system.
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Red Hat Security Advisory
Synopsis: Important: ipsec-tools security update
Advisory ID: RHSA-2009:1036-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1036.html
Issue date: 2009-05-18
CVE Names: CVE-2009-1574 CVE-2009-1632
An updated ipsec-tools package that fixes multiple security issues is 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
The ipsec-tools package is used in conjunction with the IPsec functionality
in the Linux kernel and includes racoon, an IKEv1 keying daemon.
A denial of service flaw was found in the ipsec-tools racoon daemon. An
unauthenticated, remote attacker could trigger a NULL pointer dereference
that could cause the racoon daemon to crash. (CVE-2009-1574)
Multiple memory leak flaws were found in the ipsec-tools racoon daemon. If
a remote attacker is able to make multiple connection attempts to the
racoon daemon, it was possible to cause the racoon daemon to consume all
available memory. (CVE-2009-1632)
Users of ipsec-tools should upgrade to this updated package, which contains
backported patches to correct these issues. Users must restart the racoon
daemon for this update to take effect.
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/):
497990 - CVE-2009-1574 ipsec-tools: racoon NULL dereference in fragmentation code
500886 - CVE-2009-1632 ipsec-tools: multiple memory leaks fixed in 0.7.2
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 <firstname.lastname@example.org>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2009 Red Hat, Inc.
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