#VU77945 Security features bypass in Mozilla Firefox and Firefox for Android - CVE-2023-3482
Published: July 4, 2023
Vulnerability identifier: #VU77945
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-3482
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox for Android
Mozilla Firefox
Firefox for Android
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when Firefox is configured to block storage of all cookies. It is still possible to store data in localstorage by using an iframe
with a source of 'about:blank'. A remote attacker can abuse such behavior to store tracking data without victim's permission.
Remediation
Install updates from vendor's website.