CVE-2021-37974: Use after free in Safe Browsing

Published Sep 1, 2021
·
Updated

Use after free in Safebrowsing in Google Chrome prior to 94.0.4606.71 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Credit

Weipeng Jiang@@Krace(Codesafe Team of Legendsec at Qi'anxin Group)

Affected Software

8 affected componentsFixes available
debian/chromium<=90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<94.0.4606.71
94.0.4606.71
Google Chrome<94.0.4606.71
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Debian Debian Linux=10.0
Debian Debian Linux=11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 116.0.5845.180-1~deb11u1Fixed in 118.0.5993.70-1~deb11u1Fixed in 116.0.5845.180-1~deb12u1Fixed in 118.0.5993.70-1~deb12u1Fixed in 118.0.5993.70-1
  2. Upgrade

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

    Fixed in 94.0.4606.71

Event History

Sep 1, 2021
CVE Published
12:00 AM
Oct 8, 2021
CVE Published
via MITRE·09:50 PM
Data Sourced
via MITRE·09:50 PM
DescriptionWeakness
Data Sourced
via NVD·10:15 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-2021-37974?

CVE-2021-37974 has been classified as a high severity vulnerability due to its potential to allow remote code execution.

2

How do I fix CVE-2021-37974?

To fix CVE-2021-37974, users must update their Google Chrome to version 94.0.4606.71 or later.

3

What is the impact of CVE-2021-37974 on affected software?

CVE-2021-37974 could lead to heap corruption, allowing attackers to exploit the vulnerability via crafted HTML pages.

4

Which versions of Google Chrome are affected by CVE-2021-37974?

CVE-2021-37974 affects Google Chrome versions prior to 94.0.4606.71.

5

Are there specific distributions affected by CVE-2021-37974?

CVE-2021-37974 affects Debian distributions, specifically versions prior to 94.0.4606.71 of Chromium.

Contact

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