CVE-2020-6454: Out of bounds read in WebSQL.

Published Mar 9, 2020
·
Updated

Use after free in extensions in Google Chrome prior to 81.0.4044.92 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

Credit

Nan Wang@@eternalsakura13(Alpha Lab), Guang Gong(Alpha Lab), Qihoo 360

Affected Software

10 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<81.0.4044.92
81.0.4044.92
Google Chrome<81.0.4044.92
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Debian Debian Linux=9.0
Debian Debian Linux=10.0
openSUSE Backports SLE=15.0-sp1
openSUSE Leap=15.1

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 81.0.4044.92
  3. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 81.0.4044.92

Event History

Mar 9, 2020
CVE Published
12:00 AM
Apr 13, 2020
CVE Published
via MITRE·05:31 PM
Data Sourced
via MITRE·05:31 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
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 the severity of CVE-2020-6454?

CVE-2020-6454 has a high severity rating due to the potential for heap corruption through malicious Chrome extensions.

2

How do I fix CVE-2020-6454?

To fix CVE-2020-6454, update Google Chrome or Chromium to version 81.0.4044.92 or later.

3

Which versions of Chrome are affected by CVE-2020-6454?

CVE-2020-6454 affects versions of Google Chrome prior to 81.0.4044.92.

4

What are the potential impacts of CVE-2020-6454?

The potential impacts of CVE-2020-6454 include exploitation via crafted Chrome extensions leading to heap corruption.

5

Is CVE-2020-6454 specific to a particular operating system?

CVE-2020-6454 affects multiple operating systems including Debian, Fedora, and openSUSE.

Company

Resources

Contact

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