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Red Hat Enterprise Linux: RHSA-2012:1255-01 Moderate: Libexif Crash Risk

red hat
Calendar Grey September 11, 2012
Scroller Redhat
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Updated libexif packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5 and 6

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

Summary

The libexif packages provide an Exchangeable image file format (Exif) library. Exif allows metadata to be added to and read from certain types of image files.
Multiple flaws were found in the way libexif processed Exif tags. An attacker could create a specially-crafted image file that, when opened in an application linked against libexif, could cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2012-2812, CVE-2012-2813, CVE-2012-2814, CVE-2012-2836, CVE-2012-2837, CVE-2012-2840, CVE-2012-2841)
Red Hat would like to thank Dan Fandrich for reporting these issues. Upstream acknowledges Mateusz Jurczyk of the Google Security Team as the original reporter of CVE-2012-2812, CVE-2012-2813, and CVE-2012-2814; and Yunho Kim as the original reporter of CVE-2012-2836 and CVE-2012-2837.
Users of libexif are advised to upgrade to these updated packages, which contain backported patches to resolve these issues. All running applications linked against libexif must be restarted for the update to take effect.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat application crash libexif

References

https://access.redhat.com/security/cve/CVE-2012-2812 https://access.redhat.com/security/cve/CVE-2012-2813 https://access.redhat.com/security/cve/CVE-2012-2814 https://access.redhat.com/security/cve/CVE-2012-2836 https://access.redhat.com/security/cve/CVE-2012-2837 https://access.redhat.com/security/cve/CVE-2012-2840 https://access.redhat.com/security/cve/CVE-2012-2841 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
i386: libexif-0.6.21-1.el5_8.i386.rpm libexif-debuginfo-0.6.21-1.el5_8.i386.rpm
x86_64: libexif-0.6.21-1.el5_8.i386.rpm libexif-0.6.21-1.el5_8.x86_64.rpm libexif-debuginfo-0.6.21-1.el5_8.i386.rpm libexif-debuginfo-0.6.21-1.el5_8.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
i386: libexif-debuginfo-0.6.21-1.el5_8.i386.rpm libexif-devel-0.6.21-1.el5_8.i386.rpm
x86_64: libexif-debuginfo-0.6.21-1.el5_8.i386.rpm libexif-debuginfo-0.6.21-1.el5_8.x86_64.rpm libexif-devel-0.6.21-1.el5_8.i386.rpm libexif-devel-0.6.21-1.el5_8.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
i386: libexif-0.6.21-1.el5_8.i386.rpm libexif-debuginfo-0.6.21-1.el5_8.i386.rpm libexif-devel-0.6.21-1.el5_8.i386.rpm
ia64: libexif-0.6.21-1.el5_8.ia64.rpm libexif-debuginfo-0.6.21-1.el5_8.ia64.rpm libexif-devel-0.6.21-1.el5_8.ia64.rpm
ppc: libexif-0.6.21-1.el5_8.ppc.rpm libexif-0.6.21-1.el5_8.ppc64.rpm libexif-debuginfo-0.6.21-1.el5_8.ppc.rpm libexif-debuginfo-0.6.21-1.el5_8.ppc64.rpm libexif-devel-0.6.21-1.el5_8.ppc.rpm libexif-devel-0.6.21-1.el5_8.ppc64.rpm
s390x: libexif-0.6.21-1.el5_8.s390.rpm libexif-0.6.21-1.el5_8.s390x.rpm libexif-debuginfo-0.6.21-1.el5_8.s390.rpm libexif-debuginfo-0.6.21-1.el5_8.s390x.rpm

Read the Full Advisory


Advisory ID: RHSA-2012:1255-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2012:1255.html
Issue date: 2012-09-11

Topic

Updated libexif packages that fix multiple security issues are nowavailable for Red Hat Enterprise Linux 5 and 6.The Red Hat Security Response Team has rated this update as having moderatesecurity impact. Common Vulnerability Scoring System (CVSS) base scores,which give detailed severity ratings, are available for each vulnerabilityfrom the CVE links in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat application crash libexif

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 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

Bugs Fixed

839182 - CVE-2012-2813 libexif: "exif_convert_utf16_to_utf8()" heap-based out-of-bounds array read

839183 - CVE-2012-2814 libexif: "exif_entry_format_value()" buffer overflow

839184 - CVE-2012-2836 libexif: "exif_data_load_data()" heap-based out-of-bounds array read

839185 - CVE-2012-2837 libexif: "mnote_olympus_entry_get_value()" division by zero

839188 - CVE-2012-2840 libexif: "exif_convert_utf16_to_utf8()" off-by-one

839189 - CVE-2012-2841 libexif: "exif_entry_get_value()" integer underflow

839203 - CVE-2012-2812 libexif: "exif_entry_get_value()" heap-based out-of-bounds array read

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