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Red Hat Security Advisory 2011-1161-01

Red Hat Security Advisory 2011-1161-01
Posted Aug 16, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1161-01 - FreeType is a free, high-quality, portable font engine that can open and manage font files. It also loads, hints, and renders individual glyphs efficiently. These packages provide both the FreeType 1 and FreeType 2 font engines. A buffer overflow flaw was found in the way the FreeType library handled malformed font files compressed using UNIX compress. If a user loaded a specially-crafted compressed font file with an application linked against FreeType, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application.

tags | advisory, overflow, arbitrary
systems | linux, redhat, unix
advisories | CVE-2011-2895
SHA-256 | 04ed50d2699e967580278e471ecab2dc7b5369ea394c6249975889b8aeb7bf76

Red Hat Security Advisory 2011-1161-01

Change Mirror Download
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Hash: SHA1

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

Synopsis: Moderate: freetype security update
Advisory ID: RHSA-2011:1161-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1161.html
Issue date: 2011-08-15
CVE Names: CVE-2011-2895
=====================================================================

1. Summary:

Updated freetype packages that fix one security issue are now available for
Red Hat Enterprise Linux 4.

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:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

FreeType is a free, high-quality, portable font engine that can open and
manage font files. It also loads, hints, and renders individual glyphs
efficiently. These packages provide both the FreeType 1 and FreeType 2 font
engines.

A buffer overflow flaw was found in the way the FreeType library handled
malformed font files compressed using UNIX compress. If a user loaded a
specially-crafted compressed font file with an application linked against
FreeType, it could cause the application to crash or, possibly, execute
arbitrary code with the privileges of the user running the application.
(CVE-2011-2895)

Note: This issue only affects the FreeType 2 font engine.

Users are advised to upgrade to these updated packages, which contain a
backported patch to correct this issue. The X server must be restarted (log
out, then log back in) 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/kb/docs/DOC-11259

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

727624 - CVE-2011-2895 BSD compress LZW decoder buffer overflow

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/freetype-2.1.9-19.el4.src.rpm

i386:
freetype-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-demos-2.1.9-19.el4.i386.rpm
freetype-devel-2.1.9-19.el4.i386.rpm
freetype-utils-2.1.9-19.el4.i386.rpm

ia64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.ia64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.ia64.rpm
freetype-demos-2.1.9-19.el4.ia64.rpm
freetype-devel-2.1.9-19.el4.ia64.rpm
freetype-utils-2.1.9-19.el4.ia64.rpm

ppc:
freetype-2.1.9-19.el4.ppc.rpm
freetype-2.1.9-19.el4.ppc64.rpm
freetype-debuginfo-2.1.9-19.el4.ppc.rpm
freetype-debuginfo-2.1.9-19.el4.ppc64.rpm
freetype-demos-2.1.9-19.el4.ppc.rpm
freetype-devel-2.1.9-19.el4.ppc.rpm
freetype-utils-2.1.9-19.el4.ppc.rpm

s390:
freetype-2.1.9-19.el4.s390.rpm
freetype-debuginfo-2.1.9-19.el4.s390.rpm
freetype-demos-2.1.9-19.el4.s390.rpm
freetype-devel-2.1.9-19.el4.s390.rpm
freetype-utils-2.1.9-19.el4.s390.rpm

s390x:
freetype-2.1.9-19.el4.s390.rpm
freetype-2.1.9-19.el4.s390x.rpm
freetype-debuginfo-2.1.9-19.el4.s390.rpm
freetype-debuginfo-2.1.9-19.el4.s390x.rpm
freetype-demos-2.1.9-19.el4.s390x.rpm
freetype-devel-2.1.9-19.el4.s390x.rpm
freetype-utils-2.1.9-19.el4.s390x.rpm

x86_64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.x86_64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.x86_64.rpm
freetype-demos-2.1.9-19.el4.x86_64.rpm
freetype-devel-2.1.9-19.el4.x86_64.rpm
freetype-utils-2.1.9-19.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/freetype-2.1.9-19.el4.src.rpm

i386:
freetype-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-demos-2.1.9-19.el4.i386.rpm
freetype-devel-2.1.9-19.el4.i386.rpm
freetype-utils-2.1.9-19.el4.i386.rpm

x86_64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.x86_64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.x86_64.rpm
freetype-demos-2.1.9-19.el4.x86_64.rpm
freetype-devel-2.1.9-19.el4.x86_64.rpm
freetype-utils-2.1.9-19.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/freetype-2.1.9-19.el4.src.rpm

i386:
freetype-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-demos-2.1.9-19.el4.i386.rpm
freetype-devel-2.1.9-19.el4.i386.rpm
freetype-utils-2.1.9-19.el4.i386.rpm

ia64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.ia64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.ia64.rpm
freetype-demos-2.1.9-19.el4.ia64.rpm
freetype-devel-2.1.9-19.el4.ia64.rpm
freetype-utils-2.1.9-19.el4.ia64.rpm

x86_64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.x86_64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.x86_64.rpm
freetype-demos-2.1.9-19.el4.x86_64.rpm
freetype-devel-2.1.9-19.el4.x86_64.rpm
freetype-utils-2.1.9-19.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/freetype-2.1.9-19.el4.src.rpm

i386:
freetype-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-demos-2.1.9-19.el4.i386.rpm
freetype-devel-2.1.9-19.el4.i386.rpm
freetype-utils-2.1.9-19.el4.i386.rpm

ia64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.ia64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.ia64.rpm
freetype-demos-2.1.9-19.el4.ia64.rpm
freetype-devel-2.1.9-19.el4.ia64.rpm
freetype-utils-2.1.9-19.el4.ia64.rpm

x86_64:
freetype-2.1.9-19.el4.i386.rpm
freetype-2.1.9-19.el4.x86_64.rpm
freetype-debuginfo-2.1.9-19.el4.i386.rpm
freetype-debuginfo-2.1.9-19.el4.x86_64.rpm
freetype-demos-2.1.9-19.el4.x86_64.rpm
freetype-devel-2.1.9-19.el4.x86_64.rpm
freetype-utils-2.1.9-19.el4.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-2011-2895.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 2011 Red Hat, Inc.
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