Vulnerability in GnuTLS (CVE-2024-0567)
Summary
Vulnerability in GnuTLS (CVE-2024-0567). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2024-0567 has been found in GnuTLS.
Risk of unauthorized operations or information disclosure. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "GnuTLS CVE-2024-0567" on the vendor's site.
CVE-2024-0567 (GnuTLS) — CWE-347 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-347) exists in GnuTLS.
Check the vendor advisory for the affected versions of GnuTLS.
Severity: High (CVSS 7.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'GnuTLS' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'GnuTLS' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
GnuTLSを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Alpine Linux ALPINE-CVE-2024-0567 gnutls Fixed in: 3.8.3-r0
- Debian DEBIAN-CVE-2024-0567 gnutls28 Fixed in: 3.7.1-5+deb11u5
References
- advisory access.redhat.com
- advisory access.redhat.com
- advisory access.redhat.com
- exploit bugzilla.redhat.com
- exploit gitlab.com
- mailing lists.gnupg.org
- web nvd.nist.gov
- web openwall.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web security.netapp.com
- web access.redhat.com
- web access.redhat.com
- web cert-portal.siemens.com
- web github.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web security.netapp.com