medium
4.3
Advisory Published
CVE Published
Updated

CVE-2021-37963: channel information leakage in DevTools

First published: Fri Apr 16 2021(Updated: )

Side-channel information leakage in DevTools in Google Chrome prior to 94.0.4606.54 allowed a remote attacker to bypass site isolation via a crafted HTML page.

Credit: chrome-cve-admin@google.com Daniel Genkin MichiganAyush Agarwal MichiganUniversity MichiganEyal Ronen AdelaideShaked Yehezkel AdelaideTel Aviv University AdelaideSioli O’Connell AdelaideUniversity Adelaide TechnologyJason Kim TechnologyGeorgia Institute Technology

Affected SoftwareAffected VersionHow to fix
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
118.0.5993.70-1~deb11u1
116.0.5845.180-1~deb12u1
118.0.5993.70-1~deb12u1
118.0.5993.70-1
Google Chrome<94.0.4606.54
94.0.4606.54
Google Chrome<94.0.4606.54
Fedoraproject Fedora=33
Fedoraproject Fedora=35
Debian=10.0
Debian=11.0

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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-2021-37963?

    CVE-2021-37963 is classified as a medium severity vulnerability allowing side-channel information leakage.

  • How do I fix CVE-2021-37963?

    To remediate CVE-2021-37963, upgrade Google Chrome to version 94.0.4606.54 or later.

  • Which versions of Chrome are affected by CVE-2021-37963?

    CVE-2021-37963 affects all Google Chrome versions prior to 94.0.4606.54.

  • What attack vector does CVE-2021-37963 exploit?

    CVE-2021-37963 can be exploited through a crafted HTML page to circumvent site isolation.

  • Are any Debian versions impacted by CVE-2021-37963?

    Yes, Debian versions using Chromium versions up to 90.0.4430.212-1~deb10u1 are vulnerable to CVE-2021-37963.

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