CVE-2021-21228: Insufficient policy enforcement in extensions
First published: Fri Oct 16 2020(Updated: )
Insufficient policy enforcement in extensions in Google Chrome prior to 90.0.4430.93 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.
Credit: chrome-cve-admin@google.com Rob Wu
| Affected Software | Affected Version | How 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 | <90.0.4430.93 | 90.0.4430.93 |
| Google Chrome | <90.0.4430.93 | |
| Debian | =10.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21228
- https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html (Advisory)
- https://crbug.com/1139156
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://security.gentoo.org/glsa/202104-08
- https://www.debian.org/security/2021/dsa-4911
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2021-21228?
CVE-2021-21228 is a vulnerability in Google Chrome that allowed an attacker to bypass navigation restrictions through a malicious extension.
How does CVE-2021-21228 affect Google Chrome?
CVE-2021-21228 affects Google Chrome versions prior to 90.0.4430.93.
What is the severity of CVE-2021-21228?
The severity of CVE-2021-21228 is medium, with a severity value of 4.3.
How can I fix CVE-2021-21228?
To fix CVE-2021-21228, update Google Chrome to version 90.0.4430.93 or later.
- collector/security-tracker-debian
- agent/type
- agent/weakness
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/title
- agent/severity
- agent/author
- agent/softwarecombine
- agent/description
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/google
- canonical/google chrome
- vendor/debian
- canonical/debian
- version/debian/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34