Vulnerability · Published Jan 16, 2024 · Assigned by redhat
CVE-2024-0567Gnutls: rejects certificate chain with distributed trust
High 7.5
In plain English
A high-severity security flaw in gnutls. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.4%top 27.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | gnutls | 3.7.6-23.el9_3.3 | ALSA-2024:0533 |
| AlmaLinux:9 | gnutls-c++ | 3.7.6-23.el9_3.3 | ALSA-2024:0533 |
| AlmaLinux:9 | gnutls-dane | 3.7.6-23.el9_3.3 | ALSA-2024:0533 |
| AlmaLinux:9 | gnutls-devel | 3.7.6-23.el9_3.3 | ALSA-2024:0533 |
| AlmaLinux:9 | gnutls-utils | 3.7.6-23.el9_3.3 | ALSA-2024:0533 |
| Alpine:v3.20 | gnutls | 3.8.3-r0 | ALPINE-CVE-2024-0567 |
| Alpine:v3.21 | gnutls | 3.8.3-r0 | ALPINE-CVE-2024-0567 |
| Alpine:v3.22 | gnutls | 3.8.3-r0 | ALPINE-CVE-2024-0567 |
| Alpine:v3.23 | gnutls | 3.8.3-r0 | ALPINE-CVE-2024-0567 |
| Alpine:v3.24 | gnutls | 3.8.3-r0 | ALPINE-CVE-2024-0567 |
| Debian:12 | gnutls28 | 3.7.9-2+deb12u2 | DEBIAN-CVE-2024-0567 |
| Debian:13 | gnutls28 | 3.8.3-1 | DEBIAN-CVE-2024-0567 |
| Debian:14 | gnutls28 | 3.8.3-1 | DEBIAN-CVE-2024-0567 |
| Ubuntu:22.04:LTS | gnutls28 | 3.7.3-4ubuntu1.4 | USN-6593-1 |
| Ubuntu:22.04:LTS | gnutls28 | 3.7.3-4ubuntu1.4 | UBUNTU-CVE-2024-0567 |
| Ubuntu:24.04:LTS | gnutls28 | 3.8.3-1ubuntu1 | UBUNTU-CVE-2024-0567 |
Affected products (as reported)
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- RHSA-2024:0533 vendor-advisory, x_refsource_REDHAT
- RHSA-2024:1082 vendor-advisory, x_refsource_REDHAT
- RHSA-2024:1383 vendor-advisory, x_refsource_REDHAT
- RHSA-2024:2094 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-0567 vdb-entry, x_refsource_REDHAT
- RHBZ#2258544 issue-tracking, x_refsource_REDHAT
- 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 x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/ x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/ x_transferred
- https://security.netapp.com/advisory/ntap-20240202-0011/ x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html