High severity · published Jan 16, 2024
CVE-2024-0567
Gnutls: rejects certificate chain with distributed trust
7.5
CVSS
1.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
RHODF-4.15-RHEL-9 · Red Hat
All versions, or not specified · source: vendor
RH
RHOL-5.8-RHEL-9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
11.0 · source: NVD
FE
Fedora · Fedoraproject
38; 39 · source: NVD
GN
Gnutls · Gnu
3.7.0 before 3.8.3 · source: NVD
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-0567
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-0567
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0533
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:1082
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:1383
access.redhat.com
https://access.redhat.com/errata/RHSA-2024:2094
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-0567
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=2258544
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