Permissions, Privileges, and Access Controls in FreeBSD - CVE-2023-5978
Published: November 10, 2023
Vulnerability identifier: #VU82985
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-5978
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
FreeBSD
FreeBSD
Software vendor:
FreeBSD Foundation
FreeBSD Foundation
Description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to incorrect libcap_net limitation list manipulation in libcasper. In certain scenarios, if only a list of resolvable domain names was specified without setting any other limitations, the application could submit a new list of domains including include entries not previously in the list.
Remediation
Install updates from vendor's website.