CVE-2020-6418: Google Chromium V8 Type Confusion Vulnerability

Published Feb 24, 2020
·
Updated

Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Other sources

Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Software

13 affected componentsFixes available
redhat/chromium-browser<0:80.0.3987.122-1.el6_10
0:80.0.3987.122-1.el6_10
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
redhat/chromium-browser<80.0.3987.122
80.0.3987.122
Google Chrome<80.0.3987.122
80.0.3987.122
Google Chromium V8
Google Chrome<80.0.3987.122
Fedoraproject Fedora=30
Fedoraproject Fedora=31
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Workstation=6.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/chromium-browser to a version that resolves this vulnerability.

    Fixed in 0:80.0.3987.122-1.el6_10
  2. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 120.0.6099.129-1~deb11u1Fixed in 119.0.6045.199-1~deb12u1Fixed in 120.0.6099.129-1~deb12u1Fixed in 120.0.6099.129-1
  3. Upgrade

    Upgrade redhat/chromium-browser to a version that resolves this vulnerability.

    Fixed in 80.0.3987.122
  4. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 80.0.3987.122

Event History

Feb 24, 2020
CVE Published
12:00 AM
Known Exploited
12:00 AM
Feb 27, 2020
CVE Published
via MITRE·10:55 PM
Data Sourced
via MITRE·10:55 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-6418?

CVE-2020-6418 is a type confusion vulnerability in the Google Chromium V8 Engine.

2

What software is affected by CVE-2020-6418?

The Google Chromium V8 Engine, Google Chrome, redhat/chromium-browser, debian/chromium, Fedoraproject Fedora, and Redhat Enterprise Linux are affected by CVE-2020-6418.

3

What is the severity of CVE-2020-6418?

CVE-2020-6418 has a severity score of 8.8, which is considered high.

4

How can a remote attacker exploit CVE-2020-6418?

A remote attacker can potentially exploit the type confusion vulnerability in the Google Chromium V8 Engine by using a crafted HTML page.

5

How can I fix CVE-2020-6418?

To fix CVE-2020-6418, you should update your software to version 80.0.3987.122 or later for Google Chrome and Google Chromium V8 Engine, or follow the recommended remedies for redhat/chromium-browser, debian/chromium, Fedoraproject Fedora, and Redhat Enterprise Linux.

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