RHSA-2018:1446 - Security Advisory

Topic

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.

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.

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.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 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

Fixes

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

CVEs

• CVE-2018-6120
• CVE-2018-6121
• CVE-2018-6122

References

• https://access.redhat.com/security/updates/classification/#important