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Red Hat Security Advisory 2013-0568-01

Red Hat Security Advisory 2013-0568-01
Posted Feb 26, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0568-01 - dbus-glib is an add-on library to integrate the standard D-Bus library with the GLib main loop and threading model. A flaw was found in the way dbus-glib filtered the message sender when the "NameOwnerChanged" signal was received. This could trick a system service using dbus-glib into believing a signal was sent from a privileged process, when it was not. A local attacker could use this flaw to escalate their privileges. All dbus-glib users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against dbus-glib, such as fprintd and NetworkManager, must be restarted for this update to take effect.

tags | advisory, local
systems | linux, redhat
advisories | CVE-2013-0292
MD5 | cad2f2a04c1f908669eccfe7f2ae5a89

Red Hat Security Advisory 2013-0568-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: dbus-glib security update
Advisory ID: RHSA-2013:0568-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0568.html
Issue date: 2013-02-26
CVE Names: CVE-2013-0292
=====================================================================

1. Summary:

Updated dbus-glib packages that fix one security issue are now available
for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

dbus-glib is an add-on library to integrate the standard D-Bus library with
the GLib main loop and threading model.

A flaw was found in the way dbus-glib filtered the message sender (message
source subject) when the "NameOwnerChanged" signal was received. This
could trick a system service using dbus-glib (such as fprintd) into
believing a signal was sent from a privileged process, when it was not. A
local attacker could use this flaw to escalate their privileges.
(CVE-2013-0292)

All dbus-glib users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. All running applications
linked against dbus-glib, such as fprintd and NetworkManager, must be
restarted for this update to take effect.

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
https://access.redhat.com/knowledge/articles/11258

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

911658 - CVE-2013-0292 dbus-glib: Local privilege escalation due improper filtering of message sender when NameOwnerChanged signal received

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-glib-0.73-11.el5_9.src.rpm

i386:
dbus-glib-0.73-11.el5_9.i386.rpm
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm

x86_64:
dbus-glib-0.73-11.el5_9.i386.rpm
dbus-glib-0.73-11.el5_9.x86_64.rpm
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm
dbus-glib-debuginfo-0.73-11.el5_9.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/dbus-glib-0.73-11.el5_9.src.rpm

i386:
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm
dbus-glib-devel-0.73-11.el5_9.i386.rpm

x86_64:
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm
dbus-glib-debuginfo-0.73-11.el5_9.x86_64.rpm
dbus-glib-devel-0.73-11.el5_9.i386.rpm
dbus-glib-devel-0.73-11.el5_9.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/dbus-glib-0.73-11.el5_9.src.rpm

i386:
dbus-glib-0.73-11.el5_9.i386.rpm
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm
dbus-glib-devel-0.73-11.el5_9.i386.rpm

ia64:
dbus-glib-0.73-11.el5_9.ia64.rpm
dbus-glib-debuginfo-0.73-11.el5_9.ia64.rpm
dbus-glib-devel-0.73-11.el5_9.ia64.rpm

ppc:
dbus-glib-0.73-11.el5_9.ppc.rpm
dbus-glib-0.73-11.el5_9.ppc64.rpm
dbus-glib-debuginfo-0.73-11.el5_9.ppc.rpm
dbus-glib-debuginfo-0.73-11.el5_9.ppc64.rpm
dbus-glib-devel-0.73-11.el5_9.ppc.rpm
dbus-glib-devel-0.73-11.el5_9.ppc64.rpm

s390x:
dbus-glib-0.73-11.el5_9.s390.rpm
dbus-glib-0.73-11.el5_9.s390x.rpm
dbus-glib-debuginfo-0.73-11.el5_9.s390.rpm
dbus-glib-debuginfo-0.73-11.el5_9.s390x.rpm
dbus-glib-devel-0.73-11.el5_9.s390.rpm
dbus-glib-devel-0.73-11.el5_9.s390x.rpm

x86_64:
dbus-glib-0.73-11.el5_9.i386.rpm
dbus-glib-0.73-11.el5_9.x86_64.rpm
dbus-glib-debuginfo-0.73-11.el5_9.i386.rpm
dbus-glib-debuginfo-0.73-11.el5_9.x86_64.rpm
dbus-glib-devel-0.73-11.el5_9.i386.rpm
dbus-glib-devel-0.73-11.el5_9.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

i386:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm

x86_64:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-0.86-6.el6_4.x86_64.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

i386:
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm

x86_64:
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

x86_64:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-0.86-6.el6_4.x86_64.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

x86_64:
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

i386:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm

ppc64:
dbus-glib-0.86-6.el6_4.ppc.rpm
dbus-glib-0.86-6.el6_4.ppc64.rpm
dbus-glib-debuginfo-0.86-6.el6_4.ppc.rpm
dbus-glib-debuginfo-0.86-6.el6_4.ppc64.rpm
dbus-glib-devel-0.86-6.el6_4.ppc.rpm
dbus-glib-devel-0.86-6.el6_4.ppc64.rpm

s390x:
dbus-glib-0.86-6.el6_4.s390.rpm
dbus-glib-0.86-6.el6_4.s390x.rpm
dbus-glib-debuginfo-0.86-6.el6_4.s390.rpm
dbus-glib-debuginfo-0.86-6.el6_4.s390x.rpm
dbus-glib-devel-0.86-6.el6_4.s390.rpm
dbus-glib-devel-0.86-6.el6_4.s390x.rpm

x86_64:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-0.86-6.el6_4.x86_64.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/dbus-glib-0.86-6.el6_4.src.rpm

i386:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm

x86_64:
dbus-glib-0.86-6.el6_4.i686.rpm
dbus-glib-0.86-6.el6_4.x86_64.rpm
dbus-glib-debuginfo-0.86-6.el6_4.i686.rpm
dbus-glib-debuginfo-0.86-6.el6_4.x86_64.rpm
dbus-glib-devel-0.86-6.el6_4.i686.rpm
dbus-glib-devel-0.86-6.el6_4.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-0292.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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