Improper input validation in FreeBSD - CVE-2018-17158
Published: November 28, 2018 / Updated: November 29, 2018
Vulnerability identifier: #VU16143
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-17158
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an error when processing malicious input. A remote unauthenticated attacker can trick the victim into loading specially crafted network file system (NFS) content that can trigger a flaw in the FreeBSD NFS server code and cause the target system to crash or potentially execute arbitrary code.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
FreeBSD
How to mitigate CVE-2018-17158
Install update from vendor's website.