Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-37968
CVE-2021-37968:
vulnerability analysis and mitigation
Overview
CVE-2021-37968 is a security vulnerability discovered in Google Chrome's Background Fetch API implementation prior to version 94.0.4606.54. The vulnerability was reported by Maurice Dauer on August 30, 2021, and was addressed in the Chrome stable channel update released in September 2021 (Chrome Release).
Technical details
The vulnerability is classified as Medium severity with a CVSS v3.1 base score of 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N). It involves an inappropriate implementation in the Background Fetch API that could allow cross-origin data leakage through a crafted HTML page (NVD).
Impact
The vulnerability could allow a remote attacker to leak cross-origin data via a specially crafted HTML page, potentially exposing sensitive information from different origins (NVD).
Mitigation and workarounds
The vulnerability was fixed in Google Chrome version 94.0.4606.54. Users and administrators are advised to upgrade to this version or later. The fix was also incorporated into various Linux distributions including Debian 11 (Bullseye) and Fedora (Debian Advisory, Fedora Update).
Additional resources
Source: This report was generated using AI
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