#VU36804 Link following in Nagios - CVE-2016-8641
Published: August 1, 2018 / Updated: August 9, 2020
Vulnerability identifier: #VU36804
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2016-8641
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Nagios
Nagios
Software vendor:
nagios.org
nagios.org
Description
The vulnerability allows a local authenticated user to execute arbitrary code.
A privilege escalation vulnerability was found in nagios 4.2.x that occurs in daemon-init.in when creating necessary files and insecurely changing the ownership afterwards. It's possible for the local attacker to create symbolic links before the files are to be created and possibly escalating the privileges with the ownership change.
Remediation
Install update from vendor's website.