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7.5 High

CVE-2024-0567 Gnutls: rejects certificate chain with distributed trust

Description

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 detail

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Network
Attack complexity
Low
Privileges required
None
Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected products and versions

Product Affected versions Fixed in
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.2 Extended Update Support Versions not published
RHODF-4.15-RHEL-9 4.15 earliest → < 4.15.0-103 4.15.0-103
RHOL-5.8-RHEL-9 0.28 earliest → < 0.28.1-56 0.28.1-56
Red Hat Enterprise Linux 6 Versions not published
Red Hat Enterprise Linux 7 Versions not published
Red Hat Enterprise Linux 8 Versions not published
Red Hat OpenShift Container Platform 3.11 Versions not published
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1 1.1

Other CVEs of Red Hat Enterprise Linux 9

The 1865 CVEs of Red Hat Enterprise Linux 9 →
CVE-2026-120749 Dbus: dbus-daemon: dbus-daemon aborts (reply_serial != 0) when a broadcast from the driver cannot be delivered to a monitored bus 6.2 Medium CVE-2026-123151 Gdb: gdb: stack buffer overflow in parse_tsv_definition via stale rs->buf tail Not rated CVE-2026-121997 Gdb: gdbserver: heap buffer overflow in cmd_qtdpsrc via qtdpsrc declared/actual length mismatch 8.1 High CVE-2026-121996 Gdb: gdbserver: heap disclosure and wild pointer in gdb_parse_agent_expr via untrusted agent-expression length 8.2 High
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