CVE-2021-4068: Insufficient validation of untrusted input in new tab page

Published Oct 31, 2021
·
Updated

Insufficient data validation in new tab page in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Credit

NDevTK

Affected Software

6 affected componentsFixes available
Google Chrome<96.0.4664.93
96.0.4664.93
Google Chrome<96.0.4664.93
Fedoraproject Fedora=34
Debian Debian Linux=10.0
Debian Debian Linux=11.0
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 96.0.4664.93
  2. 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

Oct 31, 2021
CVE Published
12:00 AM
Dec 23, 2021
CVE Published
via MITRE·12:45 AM
Data Sourced
via MITRE·12:45 AM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-4068?

CVE-2021-4068 is a vulnerability in Google Chrome where there is insufficient data validation in the new tab page.

2

How does CVE-2021-4068 impact users?

CVE-2021-4068 allows a remote attacker to leak cross-origin data through a crafted HTML page.

3

What is the severity of CVE-2021-4068?

The severity of CVE-2021-4068 is medium, with a severity value of 6.5.

4

Which software versions are affected by CVE-2021-4068?

Google Chrome versions prior to 96.0.4664.93, Fedora 34, Debian Linux 10.0 and 11.0, and Chromium 90.0.4430.212-1~deb10u1 are affected.

5

How can I fix CVE-2021-4068?

To fix CVE-2021-4068, update Google Chrome to version 96.0.4664.93 or later, Fedora to the patched version, Debian Linux to the patched version, or Chromium to version 90.0.4430.212-1~deb11u1 or later.

Contact

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