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Red Hat Security Advisory

Synopsis: Critical: chromium-browser security update
Advisory ID: RHSA-2018:1195-01
Product: Red Hat Enterprise Linux Supplementary
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1195
Issue date: 2018-04-23
CVE Names: CVE-2018-6085 CVE-2018-6086 CVE-2018-6087
CVE-2018-6088 CVE-2018-6089 CVE-2018-6090
CVE-2018-6091 CVE-2018-6092 CVE-2018-6093
CVE-2018-6094 CVE-2018-6095 CVE-2018-6096
CVE-2018-6097 CVE-2018-6098 CVE-2018-6099
CVE-2018-6100 CVE-2018-6101 CVE-2018-6102
CVE-2018-6103 CVE-2018-6104 CVE-2018-6105
CVE-2018-6106 CVE-2018-6107 CVE-2018-6108
CVE-2018-6109 CVE-2018-6110 CVE-2018-6111
CVE-2018-6112 CVE-2018-6113 CVE-2018-6114
CVE-2018-6116 CVE-2018-6117
=====================================================================

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 66.0.3359.117.

Security Fix(es):

* chromium-browser: Use after free in Disk Cache (CVE-2018-6085)

* chromium-browser: Use after free in Disk Cache (CVE-2018-6086)

* chromium-browser: Use after free in WebAssembly (CVE-2018-6087)

* chromium-browser: Use after free in PDFium (CVE-2018-6088)

* chromium-browser: Same origin policy bypass in Service Worker
(CVE-2018-6089)

* chromium-browser: Heap buffer overflow in Skia (CVE-2018-6090)

* chromium-browser: Incorrect handling of plug-ins by Service Worker
(CVE-2018-6091)

* chromium-browser: Integer overflow in WebAssembly (CVE-2018-6092)

* chromium-browser: Same origin bypass in Service Worker (CVE-2018-6093)

* chromium-browser: Exploit hardening regression in Oilpan (CVE-2018-6094)

* chromium-browser: Lack of meaningful user interaction requirement before
file upload (CVE-2018-6095)

* chromium-browser: Fullscreen UI spoof (CVE-2018-6096)

* chromium-browser: Fullscreen UI spoof (CVE-2018-6097)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6098)

* chromium-browser: CORS bypass in ServiceWorker (CVE-2018-6099)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6100)

* chromium-browser: Insufficient protection of remote debugging prototol in
DevTools (CVE-2018-6101)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6102)

* chromium-browser: UI spoof in Permissions (CVE-2018-6103)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6104)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6105)

* chromium-browser: Incorrect handling of promises in V8 (CVE-2018-6106)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6107)

* chromium-browser: URL spoof in Omnibox (CVE-2018-6108)

* chromium-browser: Incorrect handling of files by FileAPI (CVE-2018-6109)

* chromium-browser: Incorrect handling of plaintext files via file://
(CVE-2018-6110)

* chromium-browser: Heap-use-after-free in DevTools (CVE-2018-6111)

* chromium-browser: Incorrect URL handling in DevTools (CVE-2018-6112)

* chromium-browser: URL spoof in Navigation (CVE-2018-6113)

* chromium-browser: CSP bypass (CVE-2018-6114)

* chromium-browser: Incorrect low memory handling in WebAssembly
(CVE-2018-6116)

* chromium-browser: Confusing autofill settings (CVE-2018-6117)

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/):

1568761 – CVE-2018-6085 chromium-browser: Use after free in Disk Cache
1568762 – CVE-2018-6086 chromium-browser: Use after free in Disk Cache
1568763 – CVE-2018-6087 chromium-browser: Use after free in WebAssembly
1568764 – CVE-2018-6088 chromium-browser: Use after free in PDFium
1568765 – CVE-2018-6089 chromium-browser: Same origin policy bypass in Service Worker
1568766 – CVE-2018-6090 chromium-browser: Heap buffer overflow in Skia
1568767 – CVE-2018-6091 chromium-browser: Incorrect handling of plug-ins by Service Worker
1568769 – CVE-2018-6092 chromium-browser: Integer overflow in WebAssembly
1568770 – CVE-2018-6093 chromium-browser: Same origin bypass in Service Worker
1568771 – CVE-2018-6094 chromium-browser: Exploit hardening regression in Oilpan
1568773 – CVE-2018-6095 chromium-browser: Lack of meaningful user interaction requirement before file upload
1568774 – CVE-2018-6096 chromium-browser: Fullscreen UI spoof
1568775 – CVE-2018-6097 chromium-browser: Fullscreen UI spoof
1568776 – CVE-2018-6098 chromium-browser: URL spoof in Omnibox
1568777 – CVE-2018-6099 chromium-browser: CORS bypass in ServiceWorker
1568778 – CVE-2018-6100 chromium-browser: URL spoof in Omnibox
1568779 – CVE-2018-6101 chromium-browser: Insufficient protection of remote debugging prototol in DevTools
1568780 – CVE-2018-6102 chromium-browser: URL spoof in Omnibox
1568781 – CVE-2018-6103 chromium-browser: UI spoof in Permissions
1568782 – CVE-2018-6104 chromium-browser: URL spoof in Omnibox
1568785 – CVE-2018-6105 chromium-browser: URL spoof in Omnibox
1568786 – CVE-2018-6106 chromium-browser: Incorrect handling of promises in V8
1568787 – CVE-2018-6107 chromium-browser: URL spoof in Omnibox
1568788 – CVE-2018-6108 chromium-browser: URL spoof in Omnibox
1568789 – CVE-2018-6109 chromium-browser: Incorrect handling of files by FileAPI
1568790 – CVE-2018-6110 chromium-browser: Incorrect handling of plaintext files via file://
1568791 – CVE-2018-6111 chromium-browser: Heap-use-after-free in DevTools
1568792 – CVE-2018-6112 chromium-browser: Incorrect URL handling in DevTools
1568793 – CVE-2018-6113 chromium-browser: URL spoof in Navigation
1568794 – CVE-2018-6114 chromium-browser: CSP bypass
1568796 – CVE-2018-6116 chromium-browser: Incorrect low memory handling in WebAssembly
1568797 – CVE-2018-6117 chromium-browser: Confusing autofill settings

6. Package List:

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

i386:
chromium-browser-66.0.3359.117-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.117-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.117-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.117-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-66.0.3359.117-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.117-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.117-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.117-1.el6_9.x86_64.rpm

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

i386:
chromium-browser-66.0.3359.117-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.117-1.el6_9.i686.rpm

x86_64:
chromium-browser-66.0.3359.117-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.117-1.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-2018-6085
https://access.redhat.com/security/cve/CVE-2018-6086
https://access.redhat.com/security/cve/CVE-2018-6087
https://access.redhat.com/security/cve/CVE-2018-6088
https://access.redhat.com/security/cve/CVE-2018-6089
https://access.redhat.com/security/cve/CVE-2018-6090
https://access.redhat.com/security/cve/CVE-2018-6091
https://access.redhat.com/security/cve/CVE-2018-6092
https://access.redhat.com/security/cve/CVE-2018-6093
https://access.redhat.com/security/cve/CVE-2018-6094
https://access.redhat.com/security/cve/CVE-2018-6095
https://access.redhat.com/security/cve/CVE-2018-6096
https://access.redhat.com/security/cve/CVE-2018-6097
https://access.redhat.com/security/cve/CVE-2018-6098
https://access.redhat.com/security/cve/CVE-2018-6099
https://access.redhat.com/security/cve/CVE-2018-6100
https://access.redhat.com/security/cve/CVE-2018-6101
https://access.redhat.com/security/cve/CVE-2018-6102
https://access.redhat.com/security/cve/CVE-2018-6103
https://access.redhat.com/security/cve/CVE-2018-6104
https://access.redhat.com/security/cve/CVE-2018-6105
https://access.redhat.com/security/cve/CVE-2018-6106
https://access.redhat.com/security/cve/CVE-2018-6107
https://access.redhat.com/security/cve/CVE-2018-6108
https://access.redhat.com/security/cve/CVE-2018-6109
https://access.redhat.com/security/cve/CVE-2018-6110
https://access.redhat.com/security/cve/CVE-2018-6111
https://access.redhat.com/security/cve/CVE-2018-6112
https://access.redhat.com/security/cve/CVE-2018-6113
https://access.redhat.com/security/cve/CVE-2018-6114
https://access.redhat.com/security/cve/CVE-2018-6116
https://access.redhat.com/security/cve/CVE-2018-6117
https://access.redhat.com/security/updates/classification/#critical

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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