Improper Restriction of Rendered UI Layers or Frames in Firefox Focus for Android - CVE-2024-9391

 

Improper Restriction of Rendered UI Layers or Frames in Firefox Focus for Android - CVE-2024-9391

Published: October 1, 2024


Vulnerability identifier: #VU97927
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-9391
CWE-ID: CWE-1021
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Firefox Focus for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error when exiting fullscreen mode. A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible.


How to mitigate CVE-2024-9391

Install updates from vendor's website.

Sources