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Red Hat Security Advisory 2013-0580-01

Red Hat Security Advisory 2013-0580-01
Posted Feb 28, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0580-01 - The Common UNIX Printing System provides a portable printing layer for Linux, UNIX, and similar operating systems. It was discovered that CUPS administrative users who are permitted to perform CUPS configuration changes via the CUPS web interface could manipulate the CUPS configuration to gain unintended privileges. Such users could read or write arbitrary files with the privileges of the CUPS daemon, possibly allowing them to run arbitrary code with root privileges.

tags | advisory, web, arbitrary, root
systems | linux, redhat, unix
advisories | CVE-2012-5519
MD5 | bf648581b4b83d21ae2b013ee0e991f5

Red Hat Security Advisory 2013-0580-01

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

Synopsis: Moderate: cups security update
Advisory ID: RHSA-2013:0580-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0580.html
Issue date: 2013-02-28
CVE Names: CVE-2012-5519
=====================================================================

1. Summary:

Updated cups 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 moderate
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 Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The Common UNIX Printing System (CUPS) provides a portable printing layer
for Linux, UNIX, and similar operating systems.

It was discovered that CUPS administrative users (members of the
SystemGroups groups) who are permitted to perform CUPS configuration
changes via the CUPS web interface could manipulate the CUPS configuration
to gain unintended privileges. Such users could read or write arbitrary
files with the privileges of the CUPS daemon, possibly allowing them to
run arbitrary code with root privileges. (CVE-2012-5519)

After installing this update, the ability to change certain CUPS
configuration directives remotely will be disabled by default. The newly
introduced ConfigurationChangeRestriction directive can be used to enable
the changing of the restricted directives remotely. Refer to Red Hat
Bugzilla bug 875898 for more details and the list of restricted directives.

All users of cups are advised to upgrade to these updated packages, which
contain a backported patch to resolve this issue. After installing this
update, the cupsd daemon will be restarted automatically.

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/):

875898 - CVE-2012-5519 cups: privilege escalation for users of the CUPS SystemGroup group

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cups-1.3.7-30.el5_9.3.src.rpm

i386:
cups-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-libs-1.3.7-30.el5_9.3.i386.rpm
cups-lpd-1.3.7-30.el5_9.3.i386.rpm

x86_64:
cups-1.3.7-30.el5_9.3.x86_64.rpm
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.x86_64.rpm
cups-libs-1.3.7-30.el5_9.3.i386.rpm
cups-libs-1.3.7-30.el5_9.3.x86_64.rpm
cups-lpd-1.3.7-30.el5_9.3.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cups-1.3.7-30.el5_9.3.src.rpm

i386:
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-devel-1.3.7-30.el5_9.3.i386.rpm

x86_64:
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.x86_64.rpm
cups-devel-1.3.7-30.el5_9.3.i386.rpm
cups-devel-1.3.7-30.el5_9.3.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cups-1.3.7-30.el5_9.3.src.rpm

i386:
cups-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-devel-1.3.7-30.el5_9.3.i386.rpm
cups-libs-1.3.7-30.el5_9.3.i386.rpm
cups-lpd-1.3.7-30.el5_9.3.i386.rpm

ia64:
cups-1.3.7-30.el5_9.3.ia64.rpm
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.ia64.rpm
cups-devel-1.3.7-30.el5_9.3.ia64.rpm
cups-libs-1.3.7-30.el5_9.3.i386.rpm
cups-libs-1.3.7-30.el5_9.3.ia64.rpm
cups-lpd-1.3.7-30.el5_9.3.ia64.rpm

ppc:
cups-1.3.7-30.el5_9.3.ppc.rpm
cups-debuginfo-1.3.7-30.el5_9.3.ppc.rpm
cups-debuginfo-1.3.7-30.el5_9.3.ppc64.rpm
cups-devel-1.3.7-30.el5_9.3.ppc.rpm
cups-devel-1.3.7-30.el5_9.3.ppc64.rpm
cups-libs-1.3.7-30.el5_9.3.ppc.rpm
cups-libs-1.3.7-30.el5_9.3.ppc64.rpm
cups-lpd-1.3.7-30.el5_9.3.ppc.rpm

s390x:
cups-1.3.7-30.el5_9.3.s390x.rpm
cups-debuginfo-1.3.7-30.el5_9.3.s390.rpm
cups-debuginfo-1.3.7-30.el5_9.3.s390x.rpm
cups-devel-1.3.7-30.el5_9.3.s390.rpm
cups-devel-1.3.7-30.el5_9.3.s390x.rpm
cups-libs-1.3.7-30.el5_9.3.s390.rpm
cups-libs-1.3.7-30.el5_9.3.s390x.rpm
cups-lpd-1.3.7-30.el5_9.3.s390x.rpm

x86_64:
cups-1.3.7-30.el5_9.3.x86_64.rpm
cups-debuginfo-1.3.7-30.el5_9.3.i386.rpm
cups-debuginfo-1.3.7-30.el5_9.3.x86_64.rpm
cups-devel-1.3.7-30.el5_9.3.i386.rpm
cups-devel-1.3.7-30.el5_9.3.x86_64.rpm
cups-libs-1.3.7-30.el5_9.3.i386.rpm
cups-libs-1.3.7-30.el5_9.3.x86_64.rpm
cups-lpd-1.3.7-30.el5_9.3.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-lpd-1.4.2-50.el6_4.4.i686.rpm

x86_64:
cups-1.4.2-50.el6_4.4.x86_64.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.x86_64.rpm
cups-lpd-1.4.2-50.el6_4.4.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-php-1.4.2-50.el6_4.4.i686.rpm

x86_64:
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.x86_64.rpm
cups-php-1.4.2-50.el6_4.4.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

x86_64:
cups-1.4.2-50.el6_4.4.x86_64.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.x86_64.rpm
cups-lpd-1.4.2-50.el6_4.4.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/cups-1.4.2-50.el6_4.4.src.rpm

x86_64:
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.x86_64.rpm
cups-php-1.4.2-50.el6_4.4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-lpd-1.4.2-50.el6_4.4.i686.rpm

ppc64:
cups-1.4.2-50.el6_4.4.ppc64.rpm
cups-debuginfo-1.4.2-50.el6_4.4.ppc.rpm
cups-debuginfo-1.4.2-50.el6_4.4.ppc64.rpm
cups-devel-1.4.2-50.el6_4.4.ppc.rpm
cups-devel-1.4.2-50.el6_4.4.ppc64.rpm
cups-libs-1.4.2-50.el6_4.4.ppc.rpm
cups-libs-1.4.2-50.el6_4.4.ppc64.rpm
cups-lpd-1.4.2-50.el6_4.4.ppc64.rpm

s390x:
cups-1.4.2-50.el6_4.4.s390x.rpm
cups-debuginfo-1.4.2-50.el6_4.4.s390.rpm
cups-debuginfo-1.4.2-50.el6_4.4.s390x.rpm
cups-devel-1.4.2-50.el6_4.4.s390.rpm
cups-devel-1.4.2-50.el6_4.4.s390x.rpm
cups-libs-1.4.2-50.el6_4.4.s390.rpm
cups-libs-1.4.2-50.el6_4.4.s390x.rpm
cups-lpd-1.4.2-50.el6_4.4.s390x.rpm

x86_64:
cups-1.4.2-50.el6_4.4.x86_64.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.x86_64.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.x86_64.rpm
cups-lpd-1.4.2-50.el6_4.4.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-php-1.4.2-50.el6_4.4.i686.rpm

ppc64:
cups-debuginfo-1.4.2-50.el6_4.4.ppc64.rpm
cups-php-1.4.2-50.el6_4.4.ppc64.rpm

s390x:
cups-debuginfo-1.4.2-50.el6_4.4.s390x.rpm
cups-php-1.4.2-50.el6_4.4.s390x.rpm

x86_64:
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-php-1.4.2-50.el6_4.4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-lpd-1.4.2-50.el6_4.4.i686.rpm

x86_64:
cups-1.4.2-50.el6_4.4.x86_64.rpm
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-devel-1.4.2-50.el6_4.4.i686.rpm
cups-devel-1.4.2-50.el6_4.4.x86_64.rpm
cups-libs-1.4.2-50.el6_4.4.i686.rpm
cups-libs-1.4.2-50.el6_4.4.x86_64.rpm
cups-lpd-1.4.2-50.el6_4.4.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/cups-1.4.2-50.el6_4.4.src.rpm

i386:
cups-debuginfo-1.4.2-50.el6_4.4.i686.rpm
cups-php-1.4.2-50.el6_4.4.i686.rpm

x86_64:
cups-debuginfo-1.4.2-50.el6_4.4.x86_64.rpm
cups-php-1.4.2-50.el6_4.4.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-2012-5519.html
https://access.redhat.com/security/updates/classification/#moderate

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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