RHSA-2015:0921 - Security Advisory

Topic

Updated chromium-browser packages that fix multiple security issues and one
bug are now available for Red Hat Enterprise Linux 6 Supplementary.

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.

Description

Chromium is an open-source web browser, powered by WebKit (Blink).

Several flaws were found in the processing of malformed web content. A web
page containing malicious content could cause Chromium to crash or,
potentially, execute arbitrary code with the privileges of the user running
Chromium. (CVE-2015-1243, CVE-2015-1250)

This update also fixes the following bug:

• Prior to this update, Chromium did not accept GNOME's system proxy

settings due to having GConf support disabled. This issue has been resolved
in this update. (BZ#1217065)

All Chromium users should upgrade to these updated packages, which contain
Chromium version 42.0.2311.135, which corrects these issues. After
installing the update, Chromium must be restarted for the changes to take
effect.

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

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.6 i386
• Red Hat Enterprise Linux Server - AUS 6.6 x86_64
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.6 i386

Fixes

• BZ - 1216920 - CVE-2015-1243 chromium-browser: use-after-free in DOM
• BZ - 1216921 - CVE-2015-1250 chromium-browser: various unspecified flaws
• BZ - 1217065 - Chromium-browser not accepting gnome system proxy settings in RHEL6.

CVEs

• CVE-2015-1243
• CVE-2015-1250

References

• https://access.redhat.com/security/updates/classification/#important
• http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_28.html