CVE-2024-0567
CVE-2024-0567 is a high-severity vulnerability in Gnu Gnutls with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-16360
- Weakness: CWE-347
- Affected product: Gnu Gnutls
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2024-0567?
- 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.
- How severe is CVE-2024-0567?
- CVE-2024-0567 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-0567 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-0567?
- CVE-2024-0567 primarily affects Gnu Gnutls. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-0567?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-0567 have an EU (EUVD) identifier?
- Yes. CVE-2024-0567 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-16360.
- When was CVE-2024-0567 published?
- CVE-2024-0567 was published on 2024-01-16 and last updated on 2026-06-17.
References
- https://access.redhat.com/errata/RHSA-2024:0533
- https://access.redhat.com/errata/RHSA-2024:1082
- https://access.redhat.com/errata/RHSA-2024:1383
- https://access.redhat.com/errata/RHSA-2024:2094
- https://access.redhat.com/security/cve/CVE-2024-0567
- https://bugzilla.redhat.com/show_bug.cgi?id=2258544
- https://gitlab.com/gnutls/gnutls/-/issues/1521
- https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html
- http://www.openwall.com/lists/oss-security/2024/01/19/3
- https://lists.fedoraproject.org/archives/list/[email protected]/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
- https://security.netapp.com/advisory/ntap-20240202-0011/
Affected products (5)
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
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