Privilege escalation in OpenBSD - #VU15730

 

Privilege escalation in OpenBSD - #VU15730

Published: November 6, 2018 / Updated: November 7, 2018


Vulnerability identifier: #VU15730
CSH Severity: Low
CVSS v4.0: 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:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to the syspatch utility incorrectly handles symbolic links. A local attacker can supply specially crafted symlinks and gain elevated privileges on the system.

Remediation

Install update from vendor's website.

Sources