Sigurnosni nedostatak programskog paketa libXfont

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Red Hat Security Advisory

Synopsis: Important: libXfont security update
Advisory ID: RHSA-2014:0018-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0018.html
Issue date: 2014-01-10
CVE Names: CVE-2013-6462
=====================================================================

1. Summary:

Updated libXfont 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 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 libXfont packages provide the X.Org libXfont runtime library. X.Org is
an open source implementation of the X Window System.

A stack-based buffer overflow flaw was found in the way the libXfont
library parsed Glyph Bitmap Distribution Format (BDF) fonts. A malicious,
local user could exploit this issue to potentially execute arbitrary code
with the privileges of the X.Org server. (CVE-2013-6462)

Users of libXfont should upgrade to these updated packages, which contain
a backported patch to resolve this issue. All running X.Org server
instances must be restarted for the 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/kb/docs/DOC-11259

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

1048044 – CVE-2013-6462 libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libXfont-1.2.2-1.0.5.el5_10.src.rpm

i386:
libXfont-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm

x86_64:
libXfont-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-1.2.2-1.0.5.el5_10.x86_64.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libXfont-1.2.2-1.0.5.el5_10.src.rpm

i386:
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.i386.rpm

x86_64:
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.x86_64.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libXfont-1.2.2-1.0.5.el5_10.src.rpm

i386:
libXfont-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.i386.rpm

ia64:
libXfont-1.2.2-1.0.5.el5_10.ia64.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.ia64.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.ia64.rpm

ppc:
libXfont-1.2.2-1.0.5.el5_10.ppc.rpm
libXfont-1.2.2-1.0.5.el5_10.ppc64.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.ppc.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.ppc64.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.ppc.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.ppc64.rpm

s390x:
libXfont-1.2.2-1.0.5.el5_10.s390.rpm
libXfont-1.2.2-1.0.5.el5_10.s390x.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.s390.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.s390x.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.s390.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.s390x.rpm

x86_64:
libXfont-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-1.2.2-1.0.5.el5_10.x86_64.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-debuginfo-1.2.2-1.0.5.el5_10.x86_64.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.i386.rpm
libXfont-devel-1.2.2-1.0.5.el5_10.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-1.4.5-3.el6_5.i686.rpm
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm

x86_64:
libXfont-1.4.5-3.el6_5.x86_64.rpm
libXfont-debuginfo-1.4.5-3.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm
libXfont-devel-1.4.5-3.el6_5.i686.rpm

x86_64:
libXfont-1.4.5-3.el6_5.i686.rpm
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm
libXfont-debuginfo-1.4.5-3.el6_5.x86_64.rpm
libXfont-devel-1.4.5-3.el6_5.i686.rpm
libXfont-devel-1.4.5-3.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

x86_64:
libXfont-1.4.5-3.el6_5.x86_64.rpm
libXfont-debuginfo-1.4.5-3.el6_5.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/libXfont-1.4.5-3.el6_5.src.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-1.4.5-3.el6_5.i686.rpm
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm

ppc64:
libXfont-1.4.5-3.el6_5.ppc64.rpm
libXfont-debuginfo-1.4.5-3.el6_5.ppc64.rpm

s390x:
libXfont-1.4.5-3.el6_5.s390x.rpm
libXfont-debuginfo-1.4.5-3.el6_5.s390x.rpm

x86_64:
libXfont-1.4.5-3.el6_5.x86_64.rpm
libXfont-debuginfo-1.4.5-3.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm
libXfont-devel-1.4.5-3.el6_5.i686.rpm

ppc64:
libXfont-1.4.5-3.el6_5.ppc.rpm
libXfont-debuginfo-1.4.5-3.el6_5.ppc.rpm
libXfont-debuginfo-1.4.5-3.el6_5.ppc64.rpm
libXfont-devel-1.4.5-3.el6_5.ppc.rpm
libXfont-devel-1.4.5-3.el6_5.ppc64.rpm

s390x:
libXfont-1.4.5-3.el6_5.s390.rpm
libXfont-debuginfo-1.4.5-3.el6_5.s390.rpm
libXfont-debuginfo-1.4.5-3.el6_5.s390x.rpm
libXfont-devel-1.4.5-3.el6_5.s390.rpm
libXfont-devel-1.4.5-3.el6_5.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-1.4.5-3.el6_5.i686.rpm
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm

x86_64:
libXfont-1.4.5-3.el6_5.x86_64.rpm
libXfont-debuginfo-1.4.5-3.el6_5.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libXfont-1.4.5-3.el6_5.src.rpm

i386:
libXfont-debuginfo-1.4.5-3.el6_5.i686.rpm
libXfont-devel-1.4.5-3.el6_5.i686.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-2013-6462.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/

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