{"id":"UBUNTU-CVE-2024-0567","details":"A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.","modified":"2026-04-22T17:30:36.708167Z","published":"2024-01-16T14:15:00Z","related":["USN-6593-1"],"upstream":["CVE-2024-0567"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-0567"},{"type":"REPORT","url":"https://gnutls.org/security-new.html#GNUTLS-SA-2024-01-09"},{"type":"REPORT","url":"https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2024-0567"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6593-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-0567"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.7.3-4ubuntu1.4?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.3-4ubuntu1.4"}]}],"versions":["3.7.1-5ubuntu1","3.7.2-2ubuntu1","3.7.2-4ubuntu1","3.7.2-5ubuntu1","3.7.3-4ubuntu1","3.7.3-4ubuntu1.1","3.7.3-4ubuntu1.2","3.7.3-4ubuntu1.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gnutls-bin","binary_version":"3.7.3-4ubuntu1.4"},{"binary_name":"guile-gnutls","binary_version":"3.7.3-4ubuntu1.4"},{"binary_name":"libgnutls-dane0","binary_version":"3.7.3-4ubuntu1.4"},{"binary_name":"libgnutls-openssl27","binary_version":"3.7.3-4ubuntu1.4"},{"binary_name":"libgnutls30","binary_version":"3.7.3-4ubuntu1.4"},{"binary_name":"libgnutlsxx28","binary_version":"3.7.3-4ubuntu1.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0567.json"}},{"package":{"name":"gnutls28","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.8.3-1ubuntu1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.3-1ubuntu1"}]}],"versions":["3.8.1-4ubuntu1","3.8.1-4ubuntu6","3.8.1-4ubuntu7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gnutls-bin","binary_version":"3.8.3-1ubuntu1"},{"binary_name":"libgnutls-dane0","binary_version":"3.8.3-1ubuntu1"},{"binary_name":"libgnutls-openssl27","binary_version":"3.8.3-1ubuntu1"},{"binary_name":"libgnutls30","binary_version":"3.8.3-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-0567.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}