CVE-2020-16009: Inappropriate implementation in V8

Published Oct 29, 2020
·
Updated

Google Chromium V8 Engine contains a type confusion vulnerability that 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

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Clement Lecigne(Google's Threat Analysis Group), Samuel Groß(Google Project Zero)

Affected Software

14 affected componentsFixes available
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
Google Chrome<86.0.4240.183
86.0.4240.183
Google Chromium V8
Cefsharp Cefsharp<86.0.241
Google Chrome<86.0.4240.183
Microsoft Edge<86.0.622.63
Microsoft Edge Chromium<86.0.4240.183
openSUSE Backports SLE=15.0-sp1
openSUSE Backports SLE=15.0-sp2
openSUSE Leap=15.1
openSUSE Leap=15.2
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. 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
  2. Upgrade

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

    Fixed in 86.0.4240.183

Event History

Oct 29, 2020
CVE Published
12:00 AM
Known Exploited
12:00 AM
Nov 3, 2020
CVE Published
via MITRE·02:21 AM
Data Sourced
via MITRE·02:21 AM
DescriptionWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected 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-2020-16009?

CVE-2020-16009 is a type confusion vulnerability in the Google Chromium V8 Engine.

2

Which software is affected by CVE-2020-16009?

Web browsers that utilize Chromium, including Google Chrome and Microsoft Edge, are affected by CVE-2020-16009.

3

What is the severity of CVE-2020-16009?

CVE-2020-16009 has a severity score of 8.8 (high).

4

How can a remote attacker exploit CVE-2020-16009?

A remote attacker can potentially exploit CVE-2020-16009 by using a crafted HTML page to exploit heap corruption.

5

Where can I find more information about CVE-2020-16009?

You can find more information about CVE-2020-16009 at the following references: [Link 1](http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html), [Link 2](http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.html), [Link 3](http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.html).

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