CVSS 3.1 Score 7.5 of 10 (high)


Published Nov 8, 2023
Updated: Dec 14, 2023
CWE ID 269


CVE-2023-5978 is a vulnerability in versions of FreeBSD 13-RELEASE before 13-RELEASE-p5. The vulnerability lies in the cap_net libcasper(3) service, which incorrectly validates updated constraints. In certain circumstances, an application could submit a new list of domain names that includes entries not previously listed, allowing the application to resolve domain names that were previously restricted. This vulnerability has a base severity rating of HIGH and an exploitability score of 3.9. It poses a potential danger to organizations as it could lead to unauthorized access to restricted domain names. To remediate this vulnerability, organizations should update their FreeBSD installations to version 13-RELEASE-p5 or later.

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