Vulnerability identifier: #VU48467
Vulnerability risk: Low
CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-435
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 in the way cross-origin iframes supported login autofill is being performed. Cross-origin iframes that contained a login form could have been recognized by the login autofill service and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 80.0 - 82.0.3
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2020-50/
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.