CVE-2020-16017: Use after free in site isolation

Published Nov 7, 2020
·
Updated

Google Chrome contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page.

Other sources

Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Credit

Anonymous

Affected Software

4 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<86.0.4240.198
86.0.4240.198
Google Chrome<86.0.4240.198
Google Chrome

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 86.0.4240.198

Event History

Nov 7, 2020
CVE Published
12:00 AM
Known Exploited
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:50 PM
Data Sourced
via MITRE·05:50 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 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-2020-16017?

CVE-2020-16017 is considered a high severity vulnerability due to its potential for remote exploitation and sandbox escape.

2

How do I fix CVE-2020-16017?

To mitigate CVE-2020-16017, users should upgrade to Google Chrome version 86.0.4240.198 or later.

3

What type of vulnerability is CVE-2020-16017?

CVE-2020-16017 is classified as a use-after-free vulnerability affecting the renderer process in Google Chrome.

4

Can CVE-2020-16017 be exploited remotely?

Yes, CVE-2020-16017 can be exploited remotely if an attacker tricks a user into visiting a crafted HTML page.

5

Which versions of Google Chrome are affected by CVE-2020-16017?

CVE-2020-16017 affects Google Chrome versions prior to 86.0.4240.198.

Contact

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