Vulnerability identifier: #VU25853
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-264
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 escalate privileges on the system.
The vulnerability exists due to Web Extension with all-urls permissions is allowed to access local files. A remote attacker can trick the victim into installing a malicious browser extension and gain access to sensitive information on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 65.0 - 73.0.1
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2020-08/
http://bugzilla.mozilla.org/show_bug.cgi?id=1420296
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.