Improper Restriction of Rendered UI Layers or Frames Affecting firefox package, versions <0:91.3.0-1.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2592006
- published 10 Apr 2022
- disclosed 8 Dec 2021
Introduced: 8 Dec 2021
CVE-2021-38506 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:91.3.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-4116.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
References
- https://linux.oracle.com/cve/CVE-2021-38506.html
- https://linux.oracle.com/errata/ELSA-2021-4116.html
- https://linux.oracle.com/errata/ELSA-2021-4123.html
- https://linux.oracle.com/errata/ELSA-2021-4130.html
- https://linux.oracle.com/errata/ELSA-2021-4134.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1730750
- https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
- https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
- https://security.gentoo.org/glsa/202202-03
- https://security.gentoo.org/glsa/202208-14
- https://www.debian.org/security/2021/dsa-5026
- https://www.debian.org/security/2022/dsa-5034
- https://www.mozilla.org/security/advisories/mfsa2021-48/
- https://www.mozilla.org/security/advisories/mfsa2021-49/
- https://www.mozilla.org/security/advisories/mfsa2021-50/