This security advisory describes one low risk vulnerability.
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CWE-415 - Double Free
Exploit availability: NoDescription
The vulnerability allows a local user to gain elevated privileges on the system.
The vulnerability exists due to a boundary error in accept_filter(9) socket configuration interface. A local user can pass specially crafted data to the application, trigger double free error and escalate privileges on the system.Mitigation
Install updates from vendor's website.Vulnerable software versions
FreeBSD: before 12.2, 12.2-RELEASE-p6, 13.0, 13.0 RC4CPE
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.