CVE-2024-0567
Gnutls: rejects certificate chain with distributed trust
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By redhat
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
gnutls
- affected 3.8.0 – < 3.8.3
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:3.7.6-23.el9_3.3 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:3.7.6-23.el9_3.3 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:3.7.6-21.el9_2.2 – < *
- unaffected v4.15.0-37 – < *
- unaffected v4.15.0-68 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-39 – < *
- unaffected v4.15.0-58 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-13 – < *
- unaffected v4.15.0-81 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-79 – < *
- unaffected v4.15.0-22 – < *
- unaffected v4.15.0-57 – < *
- unaffected v4.15.0-6 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-15 – < *
- unaffected v4.15.0-15 – < *
- unaffected v4.15.0-54 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-10 – < *
- unaffected v4.15.0-26 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-19 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-158 – < *
- unaffected v4.15.0-21 – < *
- unaffected v4.15.0-103 – < *
- unaffected v5.8.6-22 – < *
- unaffected v5.8.6-11 – < *
- unaffected v6.8.1-407 – < *
- unaffected v5.8.6-19 – < *
- unaffected v1.0.0-479 – < *
- unaffected v5.8.6-7 – < *
- unaffected v0.4.0-247 – < *
- unaffected v5.8.6-5 – < *
- unaffected v1.1.0-227 – < *
- unaffected v5.8.1-470 – < *
- unaffected v2.9.6-14 – < *
- unaffected v5.8.6-2 – < *
- unaffected v5.8.6-24 – < *
- unaffected v5.8.6-10 – < *
- unaffected v0.1.0-525 – < *
- unaffected v0.1.0-224 – < *
- unaffected v0.28.1-56 – < *
Red Hat · Red Hat Enterprise Linux 6
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
Red Hat · Red Hat OpenShift Container Platform 3.11
All versions: unaffected
What to do
Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References (13)
- RHSA-2024:0533 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:1082 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:1383 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:2094 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2024-0567 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2258544 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://gitlab.com/gnutls/gnutls/-/issues/1521 (opens in a new tab)x_transferred
- https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2024/01/19/3 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/ (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20240202-0011/ (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-0567)Record last updated .