Ranjivosti programske biblioteke libwmf

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Red Hat Security Advisory

Synopsis: Important: libwmf security update
Advisory ID: RHSA-2015:1917-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1917.html
Issue date: 2015-10-20
CVE Names: CVE-2015-0848 CVE-2015-4588 CVE-2015-4695
CVE-2015-4696
=====================================================================

1. Summary:

Updated libwmf packages that fix multiple security issues are now available
for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Important security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – 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 Optional (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64

3. Description:

libwmf is a library for reading and converting Windows Metafile Format
(WMF) vector graphics. libwmf is used by applications such as GIMP and
ImageMagick.

It was discovered that libwmf did not correctly process certain WMF
(Windows Metafiles) with embedded BMP images. By tricking a victim into
opening a specially crafted WMF file in an application using libwmf, a
remote attacker could possibly use this flaw to execute arbitrary code with
the privileges of the user running the application. (CVE-2015-0848,
CVE-2015-4588)

It was discovered that libwmf did not properly process certain WMF files.
By tricking a victim into opening a specially crafted WMF file in an
application using libwmf, a remote attacker could possibly exploit this
flaw to cause a crash or execute arbitrary code with the privileges of the
user running the application. (CVE-2015-4696)

All users of libwmf are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing the
update, all applications using libwmf 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.

For details on how to apply this update, refer to:

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

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

1227243 – CVE-2015-0848 libwmf: heap overflow when decoding BMP images
1235665 – CVE-2015-4695 libwmf: heap buffer overread in meta.h
1235669 – CVE-2015-4696 libwmf: use-after-free flaw in meta.h
1272993 – CVE-2015-4588 libwmf: heap overflow within the RLE decoding of embedded BMP images

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
libwmf-0.2.8.4-25.el6_7.src.rpm

i386:
libwmf-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-lite-0.2.8.4-25.el6_7.i686.rpm

x86_64:
libwmf-0.2.8.4-25.el6_7.i686.rpm
libwmf-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-lite-0.2.8.4-25.el6_7.i686.rpm
libwmf-lite-0.2.8.4-25.el6_7.x86_64.rpm

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

i386:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm

x86_64:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.x86_64.rpm

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

Source:
libwmf-0.2.8.4-25.el6_7.src.rpm

x86_64:
libwmf-0.2.8.4-25.el6_7.i686.rpm
libwmf-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-lite-0.2.8.4-25.el6_7.i686.rpm
libwmf-lite-0.2.8.4-25.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
libwmf-0.2.8.4-25.el6_7.src.rpm

i386:
libwmf-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-lite-0.2.8.4-25.el6_7.i686.rpm

ppc64:
libwmf-0.2.8.4-25.el6_7.ppc.rpm
libwmf-0.2.8.4-25.el6_7.ppc64.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.ppc.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.ppc64.rpm
libwmf-lite-0.2.8.4-25.el6_7.ppc.rpm
libwmf-lite-0.2.8.4-25.el6_7.ppc64.rpm

s390x:
libwmf-0.2.8.4-25.el6_7.s390.rpm
libwmf-0.2.8.4-25.el6_7.s390x.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.s390.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.s390x.rpm
libwmf-lite-0.2.8.4-25.el6_7.s390.rpm
libwmf-lite-0.2.8.4-25.el6_7.s390x.rpm

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

i386:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm

ppc64:
libwmf-debuginfo-0.2.8.4-25.el6_7.ppc.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.ppc64.rpm
libwmf-devel-0.2.8.4-25.el6_7.ppc.rpm
libwmf-devel-0.2.8.4-25.el6_7.ppc64.rpm

s390x:
libwmf-debuginfo-0.2.8.4-25.el6_7.s390.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.s390x.rpm
libwmf-devel-0.2.8.4-25.el6_7.s390.rpm
libwmf-devel-0.2.8.4-25.el6_7.s390x.rpm

x86_64:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
libwmf-0.2.8.4-25.el6_7.src.rpm

i386:
libwmf-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-lite-0.2.8.4-25.el6_7.i686.rpm

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

i386:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm

x86_64:
libwmf-debuginfo-0.2.8.4-25.el6_7.i686.rpm
libwmf-debuginfo-0.2.8.4-25.el6_7.x86_64.rpm
libwmf-devel-0.2.8.4-25.el6_7.i686.rpm
libwmf-devel-0.2.8.4-25.el6_7.x86_64.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
libwmf-0.2.8.4-41.el7_1.src.rpm

x86_64:
libwmf-0.2.8.4-41.el7_1.i686.rpm
libwmf-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.i686.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-lite-0.2.8.4-41.el7_1.i686.rpm
libwmf-lite-0.2.8.4-41.el7_1.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
libwmf-debuginfo-0.2.8.4-41.el7_1.i686.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-devel-0.2.8.4-41.el7_1.i686.rpm
libwmf-devel-0.2.8.4-41.el7_1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
libwmf-0.2.8.4-41.el7_1.src.rpm

x86_64:
libwmf-0.2.8.4-41.el7_1.i686.rpm
libwmf-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.i686.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-devel-0.2.8.4-41.el7_1.i686.rpm
libwmf-devel-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-lite-0.2.8.4-41.el7_1.i686.rpm
libwmf-lite-0.2.8.4-41.el7_1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
libwmf-0.2.8.4-41.el7_1.src.rpm

ppc64:
libwmf-debuginfo-0.2.8.4-41.el7_1.ppc.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.ppc64.rpm
libwmf-lite-0.2.8.4-41.el7_1.ppc.rpm
libwmf-lite-0.2.8.4-41.el7_1.ppc64.rpm

s390x:
libwmf-debuginfo-0.2.8.4-41.el7_1.s390.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.s390x.rpm
libwmf-lite-0.2.8.4-41.el7_1.s390.rpm
libwmf-lite-0.2.8.4-41.el7_1.s390x.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
libwmf-0.2.8.4-41.ael7b_1.src.rpm

ppc64le:
libwmf-0.2.8.4-41.ael7b_1.ppc64le.rpm
libwmf-debuginfo-0.2.8.4-41.ael7b_1.ppc64le.rpm
libwmf-lite-0.2.8.4-41.ael7b_1.ppc64le.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
libwmf-0.2.8.4-41.el7_1.ppc.rpm
libwmf-0.2.8.4-41.el7_1.ppc64.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.ppc.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.ppc64.rpm
libwmf-devel-0.2.8.4-41.el7_1.ppc.rpm
libwmf-devel-0.2.8.4-41.el7_1.ppc64.rpm

s390x:
libwmf-0.2.8.4-41.el7_1.s390.rpm
libwmf-0.2.8.4-41.el7_1.s390x.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.s390.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.s390x.rpm
libwmf-devel-0.2.8.4-41.el7_1.s390.rpm
libwmf-devel-0.2.8.4-41.el7_1.s390x.rpm

x86_64:
libwmf-debuginfo-0.2.8.4-41.el7_1.i686.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-devel-0.2.8.4-41.el7_1.i686.rpm
libwmf-devel-0.2.8.4-41.el7_1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64le:
libwmf-debuginfo-0.2.8.4-41.ael7b_1.ppc64le.rpm
libwmf-devel-0.2.8.4-41.ael7b_1.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
libwmf-0.2.8.4-41.el7_1.src.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
libwmf-debuginfo-0.2.8.4-41.el7_1.i686.rpm
libwmf-debuginfo-0.2.8.4-41.el7_1.x86_64.rpm
libwmf-devel-0.2.8.4-41.el7_1.i686.rpm
libwmf-devel-0.2.8.4-41.el7_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://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2015-0848
https://access.redhat.com/security/cve/CVE-2015-4588
https://access.redhat.com/security/cve/CVE-2015-4695
https://access.redhat.com/security/cve/CVE-2015-4696
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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