Home/CVE/A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed tr
CVE

CVE-2024-0567

A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed tr

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.

HIGH · CVSS 7.5 EPSS 0.01611
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-347Improper Verification of Cryptographic Signature
CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

4
gnu gnutls>= 3.7.0 and < 3.8.3
fedoraproject fedoraall versions
netapp active iq unified managerall versions
debian linuxall versions
⚠

Public Exploits & PoCs

2
pocbugzilla.redhat.com · show_bug.cgi?id=2258544bugzilla.redhat.com
pocgitlab.com · 1521gitlab.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Jan 2024 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:13593-1
suse-csafSUSE-SU-2024:0638-2
suse-csafSUSE-SU-2024:1179-1
suse-csafSUSE-SU-2024:0638-1
rhsaRHSA-2024:1383Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2024-0567Third Party 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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
https://security.netapp.com/advisory/ntap-20240202-0011/
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