A new update is available for Red Hat Enterprise Linux. Here the announcement:

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Red Hat Security Advisory

Synopsis: Moderate: cpio security update
Advisory ID: RHSA-2010:0144-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0144.html
Issue date: 2010-03-15
CVE Names: CVE-2007-4476 CVE-2010-0624
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1. Summary:

An updated cpio package that fixes two security issues is now available for
Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

GNU cpio copies files into or out of a cpio or tar archive.

A heap-based buffer overflow flaw was found in the way cpio expanded
archive files. If a user were tricked into expanding a specially-crafted
archive, it could cause the cpio executable to crash or execute arbitrary
code with the privileges of the user running cpio. (CVE-2010-0624)

Red Hat would like to thank Jakob Lell for responsibly reporting the
CVE-2010-0624 issue.

A denial of service flaw was found in the way cpio expanded archive files.
If a user expanded a specially-crafted archive, it could cause the cpio
executable to crash. (CVE-2007-4476)

Users of cpio are advised to upgrade to this updated package, which
contains backported patches to correct these issues.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

280961 - CVE-2007-4476 tar/cpio stack crashing in safer_name_suffix
564368 - CVE-2010-0624 tar, cpio: Heap-based buffer overflow by expanding a specially-crafted archive

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cpio-2.6-23.el5_4.1.src.rpm

i386:
cpio-2.6-23.el5_4.1.i386.rpm
cpio-debuginfo-2.6-23.el5_4.1.i386.rpm

x86_64:
cpio-2.6-23.el5_4.1.x86_64.rpm
cpio-debuginfo-2.6-23.el5_4.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cpio-2.6-23.el5_4.1.src.rpm

i386:
cpio-2.6-23.el5_4.1.i386.rpm
cpio-debuginfo-2.6-23.el5_4.1.i386.rpm

ia64:
cpio-2.6-23.el5_4.1.ia64.rpm
cpio-debuginfo-2.6-23.el5_4.1.ia64.rpm

ppc:
cpio-2.6-23.el5_4.1.ppc.rpm
cpio-debuginfo-2.6-23.el5_4.1.ppc.rpm

s390x:
cpio-2.6-23.el5_4.1.s390x.rpm
cpio-debuginfo-2.6-23.el5_4.1.s390x.rpm

x86_64:
cpio-2.6-23.el5_4.1.x86_64.rpm
cpio-debuginfo-2.6-23.el5_4.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2007-4476.html
https://www.redhat.com/security/data/cve/CVE-2010-0624.html
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2010 Red Hat, Inc.
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