#VU26236 Permissions, Privileges, and Access Controls in FreeBSD


Published: 2020-03-19

Vulnerability identifier: #VU26236

Vulnerability risk: Low

CVSSv3.1: 4.5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15876

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FreeBSD
Operating systems & Components / Operating system

Vendor: FreeBSD Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient privilege checking in oce IOCTL. A local user can run a specially crafted application to send arbitrary commands to device firmware and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FreeBSD: 11.0 - 12.1


External links
http://www.freebsd.org/security/advisories/FreeBSD-SA-20:05.if_oce_ioctl.asc


Q & A

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.


Latest bulletins with this vulnerability