[RHSA-2020:3740-01] Important: chromium-browser security update

Mon Sep 14 16:23:22 UTC 2020

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 Important. 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, i686, x86_64
Red Hat Enterprise Linux HPC Node Supplementary (v. 6) - i686, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, i686, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, i686, x86_64

3. Description:

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

This update upgrades Chromium to version 85.0.4183.102.

Security Fix(es):

* chromium-browser: Use after free in video (CVE-2020-6573)

* chromium-browser: Insufficient policy enforcement in installer
(CVE-2020-6574)

* chromium-browser: Race in Mojo (CVE-2020-6575)

* chromium-browser: Use after free in offscreen canvas (CVE-2020-6576)

* chromium-browser: Insufficient policy enforcement in networking
(CVE-2020-15959)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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/):

1877090 - CVE-2020-6573 chromium-browser: Use after free in video
1877091 - CVE-2020-6574 chromium-browser: Insufficient policy enforcement in installer
1877093 - CVE-2020-6575 chromium-browser: Race in Mojo
1877094 - CVE-2020-6576 chromium-browser: Use after free in offscreen canvas
1877095 - CVE-2020-15959 chromium-browser: Insufficient policy enforcement in networking

6. Package List:

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

i386:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

i686:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

x86_64:
chromium-browser-85.0.4183.102-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.x86_64.rpm

Red Hat Enterprise Linux HPC Node Supplementary (v. 6):

i686:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

x86_64:
chromium-browser-85.0.4183.102-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.x86_64.rpm

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

i386:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

i686:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

x86_64:
chromium-browser-85.0.4183.102-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.x86_64.rpm

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

i386:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

i686:
chromium-browser-85.0.4183.102-1.el6_10.i686.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.i686.rpm

x86_64:
chromium-browser-85.0.4183.102-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-85.0.4183.102-1.el6_10.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-2020-6573
https://access.redhat.com/security/cve/CVE-2020-6574
https://access.redhat.com/security/cve/CVE-2020-6575
https://access.redhat.com/security/cve/CVE-2020-6576
https://access.redhat.com/security/cve/CVE-2020-15959
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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