{"id":"CVE-2023-5978","aliases":["EUVD-2023-58245","GHSA-v58r-qqjm-f9wh"],"status":"published","title":"Incorrect libcap_net limitation list manipulation","description":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00629,"percentile":0.50445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2023-11-08T08:52:46Z","modified":"2026-06-17T06:49:47Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-23:16.cap_net.asc","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20231214-0003/","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5978"},{"url":"https://github.com/advisories/GHSA-v58r-qqjm-f9wh"}],"sources":{"cve":[{"id":"CVE-2023-5978","title":"Incorrect libcap_net limitation list manipulation","description":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.","status":"published","published":"2023-11-08T08:52:46.92Z","modified":"2025-02-13T17:25:59.631Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-58245","description":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.","status":"published","published":"2023-11-08T08:52:46Z","modified":"2025-02-13T17:25:59Z","updated_at":"2026-11-03T00:03:47.607822Z"}],"ghsa":[{"id":"GHSA-v58r-qqjm-f9wh","title":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net...","description":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.","status":"published","published":"2023-11-08T09:30:26Z","modified":"2023-12-14T12:31:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:11.957073Z"}],"nvd":[{"id":"CVE-2023-5978","description":"In versions of FreeBSD 13-RELEASE before 13-RELEASE-p5, under certain circumstances the cap_net libcasper(3) service incorrectly validates that updated constraints are strictly subsets of the active constraints.  When only a list of resolvable domain names was specified without setting any other limitations, an application could submit a new list of domains including include entries not previously listed.  This could permit the application to resolve domain names that were previously restricted.","status":"published","published":"2023-11-08T09:15:07.933Z","modified":"2026-06-17T06:49:47.083Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:08:43.669554Z"}]}}