RHSA-2015:2545 - 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 Critical 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-2015-6764, CVE-2015-6765, CVE-2015-6766, CVE-2015-6767,
CVE-2015-6768, CVE-2015-6769, CVE-2015-6770, CVE-2015-6771, CVE-2015-6772,
CVE-2015-6773, CVE-2015-6774, CVE-2015-6775, CVE-2015-6776, CVE-2015-6777,
CVE-2015-6778, CVE-2015-6779, CVE-2015-6780, CVE-2015-6781, CVE-2015-6782,
CVE-2015-6784, CVE-2015-6785, CVE-2015-6786, CVE-2015-6787)

All Chromium users should upgrade to these updated packages, which contain
Chromium version 47.0.2526.73, 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 - 1285774 - CVE-2015-6764 v8: unspecified out-of-bounds access vulnerability
• BZ - 1287441 - CVE-2015-6765 chromium-browser: Use-after-free in AppCache
• BZ - 1287481 - CVE-2015-6766 chromium-browser: Use-after-free in AppCache
• BZ - 1287482 - CVE-2015-6767 chromium-browser: Use-after-free in AppCache
• BZ - 1287483 - CVE-2015-6768 chromium-browser: Cross-origin bypass in DOM
• BZ - 1287484 - CVE-2015-6769 chromium-browser: Cross-origin bypass in core
• BZ - 1287485 - CVE-2015-6770 chromium-browser: Cross-origin bypass in DOM
• BZ - 1287486 - CVE-2015-6771 chromium-browser: Out of bounds access in v8
• BZ - 1287487 - CVE-2015-6772 chromium-browser: Cross-origin bypass in DOM
• BZ - 1287488 - CVE-2015-6773 chromium-browser: Out of bounds access in Skia
• BZ - 1287489 - CVE-2015-6774 chromium-browser: Use-after-free in Extensions
• BZ - 1287490 - CVE-2015-6775 chromium-browser: Type confusion in PDFium
• BZ - 1287491 - CVE-2015-6776 chromium-browser: Out of bounds access in PDFium
• BZ - 1287492 - CVE-2015-6777 chromium-browser: Use-after-free in DOM
• BZ - 1287493 - CVE-2015-6778 chromium-browser: Out of bounds access in PDFium
• BZ - 1287494 - CVE-2015-6779 chromium-browser: Scheme bypass in PDFium
• BZ - 1287495 - CVE-2015-6780 chromium-browser: Use-after-free in Infobars
• BZ - 1287496 - CVE-2015-6781 chromium-browser: Integer overflow in Sfntly
• BZ - 1287497 - CVE-2015-6782 chromium-browser: Content spoofing in Omnibox
• BZ - 1287499 - CVE-2015-6784 chromium-browser: Escaping issue in saved pages
• BZ - 1287500 - CVE-2015-6785 chromium-browser: Wildcard matching issue in CSP
• BZ - 1287501 - CVE-2015-6786 chromium-browser: Scheme bypass in CSP
• BZ - 1287502 - CVE-2015-6787 chromium-browser: Various fixes from internal audits

CVEs

• CVE-2015-6786
• CVE-2015-6779
• CVE-2015-6778
• CVE-2015-6777
• CVE-2015-6776
• CVE-2015-6775
• CVE-2015-6774
• CVE-2015-6773
• CVE-2015-6772
• CVE-2015-6771
• CVE-2015-6770
• CVE-2015-6768
• CVE-2015-6769
• CVE-2015-6784
• CVE-2015-6785
• CVE-2015-6782
• CVE-2015-6780
• CVE-2015-6781
• CVE-2015-6764
• CVE-2015-6765
• CVE-2015-6766
• CVE-2015-6767
• CVE-2015-6787

References

• https://access.redhat.com/security/updates/classification/#critical
• http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html