Gnutls: rejects certificate chain with distributed trust
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.4%
exploitation probability
1.4%top 29% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
gnutlsRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat · Red Hat OpenShift Container Platform 3.11Red Hat · RHODF-4.15-RHEL-9Red Hat · RHOL-5.8-RHEL-9References
https://access.redhat.com/errata/RHSA-2024:0533https://access.redhat.com/errata/RHSA-2024:1082https://access.redhat.com/errata/RHSA-2024:1383https://access.redhat.com/errata/RHSA-2024:2094https://access.redhat.com/security/cve/CVE-2024-0567https://bugzilla.redhat.com/show_bug.cgi?id=2258544https://gitlab.com/gnutls/gnutls/-/issues/1521https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.htmlhttps://security.netapp.com/advisory/ntap-20240202-0011/http://www.openwall.com/lists/oss-security/2024/01/19/3