Vulnerability identifier: #VU60372
Vulnerability risk: Low
Exploitation vector: Local
Exploit availability: No
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the Maintenance (Updater) Service. A local unprivileged user can grant Users write access to an arbitrary directory on the system and execute arbitrary code with SYSTEM privileges.
Note, the vulnerability affects Windows installations only.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 70.0 - 96.0.3
Firefox ESR: 91.0 - 91.5.1, 78.0 - 78.15.0
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.