RHSA-2015:1912 - Security Advisory

Topic

Updated chromium-browser packages that fix multiple security issues 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, execute
arbitrary code, or disclose sensitive information when visited by the
victim. (CVE-2015-6755, CVE-2015-6756, CVE-2015-6757, CVE-2015-6758,
CVE-2015-6759, CVE-2015-6760, CVE-2015-6761, CVE-2015-6762, CVE-2015-6763)

All Chromium users should upgrade to these updated packages, which contain
Chromium version 46.0.2490.71, 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 6.7 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 6.7 i386
• 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 6.7 x86_64
• Red Hat Enterprise Linux Server - Extended Update Support from RHUI 6.7 i386

Fixes

• BZ - 1271480 - CVE-2015-6755 chromium-browser: cross-origin bypass in Blink
• BZ - 1271483 - CVE-2015-6756 chromium-browser: use-after-free in PDFium
• BZ - 1271553 - CVE-2015-6757 chromium-browser: Use-after-free in ServiceWorker
• BZ - 1271554 - CVE-2015-6758 chromium-browser: Bad-cast in PDFium
• BZ - 1271555 - CVE-2015-6759 chromium-browser: Information leakage in LocalStorage
• BZ - 1271556 - CVE-2015-6760 chromium-browser: Improper error handling in libANGLE
• BZ - 1271557 - CVE-2015-6761 chromium-browser: Memory corruption in FFMpeg
• BZ - 1271558 - CVE-2015-6762 chromium-browser: CORS bypass in CSS fonts
• BZ - 1271559 - CVE-2015-6763 chromium-browser: various fixes from internal audits

CVEs

• CVE-2015-6760
• CVE-2015-6761
• CVE-2015-6762
• CVE-2015-6763
• CVE-2015-6755
• CVE-2015-6757
• CVE-2015-6756
• CVE-2015-6759
• CVE-2015-6758

References

• https://access.redhat.com/security/updates/classification/#important
• http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html