SB2023111059 - Security restrictions bypass in FreeBSD libcasper
Published: November 10, 2023
Security Bulletin ID
SB2023111059
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-5978)
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 update from vendor's website.