CVE-2021-38019: Insufficient policy enforcement in CORS

Published Sep 20, 2021
·
Updated

Insufficient policy enforcement in CORS in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Credit

Maurice Dauer

Affected Software

16 affected componentsFixes available
Google Chrome<96.0.4664.45
96.0.4664.45
Google Chrome<96.0.4664.45
Fedoraproject Fedora=34
Debian Debian Linux=10.0
Debian Debian Linux=11.0
alpine/qt5-qtwebengine<5.15.3_git20211112-r1
5.15.3_git20211112-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
alpine/qt5-qtwebengine<5.15.3_git20211127-r1
5.15.3_git20211127-r1
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.79-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 96.0.4664.45
  2. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.3_git20211112-r1
  3. Upgrade

    Upgrade alpine/qt5-qtwebengine to a version that resolves this vulnerability.

    Fixed in 5.15.3_git20211127-r1
  4. Upgrade

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

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.79-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1

Event History

Sep 20, 2021
CVE Published
12:00 AM
Dec 23, 2021
CVE Published
via MITRE·12:05 AM
Data Sourced
via MITRE·12:05 AM
DescriptionWeakness
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·01:15 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2021-38019?

CVE-2021-38019 is rated as a high severity vulnerability due to its potential for remote data leaks.

2

How do I fix CVE-2021-38019?

To fix CVE-2021-38019, users should update Google Chrome to version 96.0.4664.45 or later.

3

Which versions of Chrome are affected by CVE-2021-38019?

CVE-2021-38019 affects all versions of Google Chrome prior to 96.0.4664.45.

4

Can CVE-2021-38019 be exploited remotely?

Yes, CVE-2021-38019 can be exploited remotely by an attacker to leak cross-origin data.

5

What type of vulnerability is CVE-2021-38019?

CVE-2021-38019 is classified as a Cross-Origin Resource Sharing (CORS) vulnerability.

Company

Resources

Contact

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