critical
9.6
Advisory Published
CVE Published
Updated

CVE-2020-15961: Insufficient policy enforcement in extensions

First published: Mon Aug 10 2020(Updated: )

Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Credit: chrome-cve-admin@google.com David Erceg

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
120.0.6099.129-1~deb11u1
119.0.6045.199-1~deb12u1
120.0.6099.129-1~deb12u1
120.0.6099.129-1
Google Chrome<85.0.4183.121
85.0.4183.121
Google Chrome<85.0.4183.121
openSUSE Backports=15.0-sp1
openSUSE Backports=15.0-sp2
openSUSE=15.1
openSUSE=15.2
Fedora=31
Fedora=32
Fedora=33
Debian=10.0

Remedy

https://crbug.com/1114636

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2020-15961?

    CVE-2020-15961 is classified as a high severity vulnerability due to the potential for sandbox escape.

  • How do I fix CVE-2020-15961?

    To fix CVE-2020-15961, upgrade to Google Chrome version 85.0.4183.121 or later.

  • What platforms are affected by CVE-2020-15961?

    CVE-2020-15961 affects Google Chrome versions prior to 85.0.4183.121 and certain Linux packages including Debian, openSUSE, and Fedora.

  • What type of vulnerability is CVE-2020-15961?

    CVE-2020-15961 is an insufficient policy validation vulnerability found in Chrome extensions.

  • Can CVE-2020-15961 be exploited remotely?

    Yes, CVE-2020-15961 can be exploited if a user is convinced to install a malicious Chrome extension.

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