RHSA-2008:0159-01 Moderate: dbus security update

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Red Hat Security Advisory

Synopsis: Moderate: dbus security update
Advisory ID: RHSA-2008:0159-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0159.html
Issue date: 2008-02-27
CVE Names: CVE-2008-0595
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1. Summary:

Updated dbus packages that fix an issue with circumventing the security
policy are now available.

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

3. Description:

D-Bus is a system for sending messages between applications. It is used
both for the system-wide message bus service, and as a
per-user-login-session messaging facility.

Havoc Pennington discovered a flaw in the way the dbus-daemon applies its
security policy. A user with the ability to connect to the dbus-daemon may
be able to execute certain method calls they should normally not have
permission to access. (CVE-2008-0595)

Red Hat does not ship any applications in Red Hat Enterprise Linux 5 that
would allow a user to leverage this flaw to elevate their privileges.

This flaw does not affect the version of D-Bus shipped in Red Hat
Enterprise Linux 4.

All users are advised to upgrade to these updated dbus packages, which
contain a backported patch and are not vulnerable to this issue.

4. Solution:

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
http://kbase.redhat.com/faq/FAQ_58_10188

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

432419 - CVE-2008-0595 dbus security policy circumvention

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/dbus-1.0.0-6.3.el5_1.src.rpm

i386:
dbus-1.0.0-6.3.el5_1.i386.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-x11-1.0.0-6.3.el5_1.i386.rpm

x86_64:
dbus-1.0.0-6.3.el5_1.i386.rpm
dbus-1.0.0-6.3.el5_1.x86_64.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.x86_64.rpm
dbus-x11-1.0.0-6.3.el5_1.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/dbus-1.0.0-6.3.el5_1.src.rpm

i386:
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-devel-1.0.0-6.3.el5_1.i386.rpm

x86_64:
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.x86_64.rpm
dbus-devel-1.0.0-6.3.el5_1.i386.rpm
dbus-devel-1.0.0-6.3.el5_1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/dbus-1.0.0-6.3.el5_1.src.rpm

i386:
dbus-1.0.0-6.3.el5_1.i386.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-devel-1.0.0-6.3.el5_1.i386.rpm
dbus-x11-1.0.0-6.3.el5_1.i386.rpm

ia64:
dbus-1.0.0-6.3.el5_1.ia64.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.ia64.rpm
dbus-devel-1.0.0-6.3.el5_1.ia64.rpm
dbus-x11-1.0.0-6.3.el5_1.ia64.rpm

ppc:
dbus-1.0.0-6.3.el5_1.ppc.rpm
dbus-1.0.0-6.3.el5_1.ppc64.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.ppc.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.ppc64.rpm
dbus-devel-1.0.0-6.3.el5_1.ppc.rpm
dbus-devel-1.0.0-6.3.el5_1.ppc64.rpm
dbus-x11-1.0.0-6.3.el5_1.ppc.rpm

s390x:
dbus-1.0.0-6.3.el5_1.s390.rpm
dbus-1.0.0-6.3.el5_1.s390x.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.s390.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.s390x.rpm
dbus-devel-1.0.0-6.3.el5_1.s390.rpm
dbus-devel-1.0.0-6.3.el5_1.s390x.rpm
dbus-x11-1.0.0-6.3.el5_1.s390x.rpm

x86_64:
dbus-1.0.0-6.3.el5_1.i386.rpm
dbus-1.0.0-6.3.el5_1.x86_64.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.i386.rpm
dbus-debuginfo-1.0.0-6.3.el5_1.x86_64.rpm
dbus-devel-1.0.0-6.3.el5_1.i386.rpm
dbus-devel-1.0.0-6.3.el5_1.x86_64.rpm
dbus-x11-1.0.0-6.3.el5_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:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0595
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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