Security restrictions bypass in OpenBSD - #VU9782
Published: December 27, 2017
Vulnerability identifier: #VU9782
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: OpenBSD
Affected software:
OpenBSD
OpenBSD
Detailed vulnerability description
The vulnerability allows a local attacker to bypass security restrictions on the target system.
The weakness exists due to insufficient security checks in the fktrace(2) processing tracing system call. A local attacker can make a specially crafted system call and bypass intended security restrictions.
The weakness exists due to insufficient security checks in the fktrace(2) processing tracing system call. A local attacker can make a specially crafted system call and bypass intended security restrictions.
Remediation
Install update from vendor's website.