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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: chromium-browser security update
Advisory ID:       RHSA-2017:0860-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:0860
Issue date:        2017-03-31
CVE Names:         CVE-2017-5052 CVE-2017-5053 CVE-2017-5054 
                   CVE-2017-5055 CVE-2017-5056 
=====================================================================

1. Summary:

An update for chromium-browser is now available for Red Hat Enterprise
Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, x86_64

3. Description:

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

This update upgrades Chromium to version 57.0.2987.133.

Security Fix(es):

* Multiple 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-2017-5055, CVE-2017-5052, CVE-2017-5053, CVE-2017-5054,
CVE-2017-5056)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

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

After installing the update, Chromium must be restarted for the changes to
take effect.

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

1437348 - CVE-2017-5055 chromium-browser: use after free in printing
1437350 - CVE-2017-5054 chromium-browser: heap buffer overflow in v8
1437351 - CVE-2017-5052 chromium-browser: bad cast in blink
1437352 - CVE-2017-5056 chromium-browser: use after free in blink
1437353 - CVE-2017-5053 chromium-browser: out of bounds memory access in v8

6. Package List:

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

i386:
chromium-browser-57.0.2987.133-1.el6_9.i686.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.i686.rpm

x86_64:
chromium-browser-57.0.2987.133-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-57.0.2987.133-1.el6_9.i686.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.i686.rpm

x86_64:
chromium-browser-57.0.2987.133-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-57.0.2987.133-1.el6_9.i686.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.i686.rpm

x86_64:
chromium-browser-57.0.2987.133-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-57.0.2987.133-1.el6_9.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-2017-5052
https://access.redhat.com/security/cve/CVE-2017-5053
https://access.redhat.com/security/cve/CVE-2017-5054
https://access.redhat.com/security/cve/CVE-2017-5055
https://access.redhat.com/security/cve/CVE-2017-5056
https://access.redhat.com/security/updates/classification/#critical
https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop_29.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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