Vulnerability identifier: #VU77945
Vulnerability risk: Medium
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Firefox for Android
Mobile applications /
Apps for mobile phones
Vendor: 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 103.0 - 114.0.2
Firefox for Android: 103.2.0 - 114.2.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2023-22/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.