8.8

CVE-2021-21166

Warnung
Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Google ≫ Chrome Version < 89.0.4389.72
Fedoraproject ≫ Fedora Version 32
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Debian ≫ Debian Linux Version 10.0

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Google Chromium Race Condition Vulnerability

Schwachstelle

Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Beschreibung

Apply updates per vendor instructions.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 23.85% 0.976
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NIST 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CISA-ADP 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://security.gentoo.org/glsa/202104-08
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Release Notes
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Release Notes
https://www.debian.org/security/2021/dsa-4886
Third Party Advisory
Mailing List
https://crbug.com/1177465
Permissions Required
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21166
US Government Resource