Vulnerability identifier: #VU64765
Vulnerability risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-346
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Mozilla Firefox
Client/Desktop applications /
Web browsers
Vendor: Mozilla
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to origin validation error. The MediaError message property should be consistent to avoid leaking information about cross-origin resources, however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 92.0 - 101.0.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2022-24/
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.