Vulnerability identifier: #VU91732
Vulnerability risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Firefox ESR
Client/Desktop applications /
Web browsers
Mozilla Firefox
Client/Desktop applications /
Web browsers
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when parsing file names using the Save As functionality on Windows 10. A remote attacker can trick the victim into saving the file with a disallowed extension such as .url by including an invalid character in the extension.
Note, the vulnerability affects only Windows installations of Firefox.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Firefox ESR: 115.0 - 115.11.0, 102.0 - 102.15.1
Mozilla Firefox: 100.0 - 126.0.1
External links
http://bugzilla.mozilla.org/show_bug.cgi?id=1837514
http://bugzilla.mozilla.org/show_bug.cgi?id=1891234
http://www.mozilla.org/security/advisories/mfsa2024-25/
http://www.mozilla.org/security/advisories/mfsa2024-26/
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.