{"id":"CVE-2024-0567","title":"A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust","summary":"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 unaut…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-347"],"vendor":"gnu","product":"gnutls","affected":["gnutls >= 3.7.0, < 3.8.3","fedora = 38","fedora = 39","active_iq_unified_manager","debian_linux = 11.0"],"patched":["gnutls 3.8.3"],"published":"2024-01-16","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:17.750","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-0567","references":[{"url":"https://access.redhat.com/errata/RHSA-2024:0533","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2024:1082","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2024:1383","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2024:2094","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2024-0567","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2258544","label":"secalert@redhat.com"},{"url":"https://gitlab.com/gnutls/gnutls/-/issues/1521","label":"secalert@redhat.com"},{"url":"https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html","label":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/19/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2024:0533","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2024:1082","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2024:1383","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2024:2094","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/security/cve/CVE-2024-0567","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2258544","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gitlab.com/gnutls/gnutls/-/issues/1521","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240202-0011/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.0142,"epssPercentile":0.72295,"ingestedAt":"2026-10-15T03:30:12.634Z","exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2025-05-08T18:37:07.175566Z"},"slug":"CVE-2024-0567","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `gnutls >= 3.7.0, < 3.8.3`\n- `fedora = 38`\n- `fedora = 39`\n- `active_iq_unified_manager`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `gnutls 3.8.3`","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":12,"ransomware":0},"changes":[{"seq":222008,"id":"CVE-2024-0567","ts":1792039749732,"field":"exploit_available","old":"false","new":"true"}]}