HOME VULNERABILITIESCVE-2024-0567

HIGH

CVE-2024-0567

CWE-347Published: January 16, 2024· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

Technical Analysis

CVE-2024-0567 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

Debian1 product(s)

debian linux

Fedora1 product(s)

fedora

gnu1 product(s)

gnutls

netapp1 product(s)

active iq unified manager

Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://gitlab.com/gnutls/gnutls/-/issues/1521

PATCHhttps://gitlab.com/gnutls/gnutls/-/issues/1521

ADVISORYhttps://access.redhat.com/errata/RHSA-2024:0533

ADVISORYhttps://access.redhat.com/errata/RHSA-2024:1082

ADVISORYhttps://access.redhat.com/security/cve/CVE-2024-0567

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=2258544

ADVISORYhttps://access.redhat.com/errata/RHSA-2024:0533

ADVISORYhttps://access.redhat.com/errata/RHSA-2024:1082

ADVISORYhttps://access.redhat.com/security/cve/CVE-2024-0567

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=2258544

All References (20)

→

https://access.redhat.com/errata/RHSA-2024:0533Third Party Advisory

→

https://access.redhat.com/errata/RHSA-2024:1082Third Party Advisory

→

https://access.redhat.com/errata/RHSA-2024:1383

→

https://access.redhat.com/errata/RHSA-2024:2094

→

https://access.redhat.com/security/cve/CVE-2024-0567Third Party Advisory

→

https://bugzilla.redhat.com/show_bug.cgi?id=2258544Exploit · Issue Tracking · Third Party Advisory

→

https://gitlab.com/gnutls/gnutls/-/issues/1521Exploit · Issue Tracking · Patch · Vendor Advisory

→

https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.htmlMailing List

→

http://www.openwall.com/lists/oss-security/2024/01/19/3

→

https://access.redhat.com/errata/RHSA-2024:0533Third Party Advisory

→

https://access.redhat.com/errata/RHSA-2024:1082Third Party Advisory

→

https://access.redhat.com/errata/RHSA-2024:1383

→

https://access.redhat.com/errata/RHSA-2024:2094

→

https://access.redhat.com/security/cve/CVE-2024-0567Third Party Advisory

→

https://bugzilla.redhat.com/show_bug.cgi?id=2258544Exploit · Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2024-0567

CVSS Score7.5 / 10

SeverityHIGH

WeaknessCWE-347

CISA KEVNo

Affected4 vendor(s)

PublishedJan 16, 2024

Related CVEs (CWE-347)

CVE-2019-1010263

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2024-0567 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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