ESB-2018.1486 - [RedHat] chromium-browser: Multiple vulnerabilities 2018-05-16

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1486
                Important: chromium-browser security update
                                16 May 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           chromium-browser
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 6
                   Red Hat Enterprise Linux WS/Desktop 6
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Increased Privileges            -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-6122 CVE-2018-6121 CVE-2018-6120

Reference:         ASB-2018.0114

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:1446

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                   Red Hat Security Advisory

Synopsis:          Important: chromium-browser security update
Advisory ID:       RHSA-2018:1446-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1446
Issue date:        2018-05-14
CVE Names:         CVE-2018-6120 CVE-2018-6121 CVE-2018-6122 
=====================================================================

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 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, 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 66.0.3359.170.

Security Fix(es):

* chromium-browser: Heap buffer overflow in PDFium (CVE-2018-6120)

* chromium-browser: Privilege Escalation in extensions (CVE-2018-6121)

* chromium-browser: Type confusion in V8 (CVE-2018-6122)

For more details about the security issue(s), including the impact, a CVSS
score, 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/):

1577113 - CVE-2018-6121 chromium-browser: Privilege Escalation in extensions
1577114 - CVE-2018-6122 chromium-browser: Type confusion in V8
1577115 - CVE-2018-6120 chromium-browser: Heap buffer overflow in PDFium

6. Package List:

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

i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.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-2018-6120
https://access.redhat.com/security/cve/CVE-2018-6121
https://access.redhat.com/security/cve/CVE-2018-6122
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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