CVE-2021-21181: channel information leakage in autofill

Published Feb 26, 2021
·
Updated

Side-channel information leakage in autofill in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

Credit

Xu Lin (University(Illinois at Chicago), Panagiotis Ilia (University(Illinois at Chicago), Jason Polakis (University(Illinois at Chicago)

Affected Software

18 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<89.0.4389.72
89.0.4389.72
Google Chrome<89.0.4389.72
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0
alpine/chromium<89.0.4389.72-r0
89.0.4389.72-r0

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 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 89.0.4389.72
  3. Upgrade

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

    Fixed in 89.0.4389.72-r0

Event History

Feb 26, 2021
CVE Published
12:00 AM
Mar 9, 2021
CVE Published
via MITRE·05:46 PM
Data Sourced
via MITRE·05:46 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2021-21181?

CVE-2021-21181 is a vulnerability in Google Chrome prior to version 89.0.4389.72 that allows a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

2

How does CVE-2021-21181 affect Google Chrome?

CVE-2021-21181 affects Google Chrome versions prior to 89.0.4389.72.

3

How can an attacker exploit CVE-2021-21181?

An attacker can exploit CVE-2021-21181 by creating a crafted HTML page to leak sensitive information from process memory in Google Chrome.

4

How can I fix CVE-2021-21181?

To fix CVE-2021-21181, update Google Chrome to version 89.0.4389.72 or later.

5

Where can I find more information about CVE-2021-21181?

You can find more information about CVE-2021-21181 on the Debian Security Tracker website at https://security-tracker.debian.org/tracker/CVE-2021-21181.

Company

Resources

Contact

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