CVE-2024-0567: Gnutls: rejects certificate chain with distributed trust
First published: Tue Jan 16 2024(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/GnuTLS | <3.8.3 | 3.8.3 |
| ubuntu/gnutls28 | <3.7.3-4ubuntu1.4 | 3.7.3-4ubuntu1.4 |
| ubuntu/gnutls28 | <3.7.8-5ubuntu1.2 | 3.7.8-5ubuntu1.2 |
| ubuntu/gnutls28 | <3.8.1-4ubuntu1.2 | 3.8.1-4ubuntu1.2 |
| ubuntu/gnutls28 | <3.8.3-1ubuntu1 | 3.8.3-1ubuntu1 |
| ubuntu/gnutls28 | <3.8.3-1 | 3.8.3-1 |
| debian/gnutls28 | <=3.7.1-5+deb11u4<=3.7.1-5+deb11u3 | 3.6.7-4+deb10u8 3.6.7-4+deb10u12 3.7.9-2+deb12u2 3.8.5-2 |
| IBM QRadar Network Packet Capture | <=7.5.0 - 7.5.0 Update Package 7 | |
| GnuTLS | <3.8.3 | |
| GnuTLS | >=3.7.0<3.8.3 | |
| Red Hat Fedora | =38 | |
| Red Hat Fedora | =39 | |
| NetApp Active IQ Unified Manager for VMware vSphere | ||
| Debian Linux | =11.0 |
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Reference Links
- https://gitlab.com/gnutls/gnutls/-/issues/1521
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258575
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258576
- https://access.redhat.com/errata/RHSA-2024:0533
- https://access.redhat.com/errata/RHSA-2024:1082
- https://bugzilla.redhat.com/show_bug.cgi?id=2258544
- https://access.redhat.com/security/cve/CVE-2024-0567
- 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/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
- https://security.netapp.com/advisory/ntap-20240202-0011/
- https://launchpad.net/bugs/cve/CVE-2024-0567
- https://gnutls.org/security-new.html#GNUTLS-SA-2024-01-09
- https://ubuntu.com/security/notices/USN-6593-1
- https://www.cve.org/CVERecord?id=CVE-2024-0567
- https://nvd.nist.gov/vuln/detail/CVE-2024-0567
- https://security-tracker.debian.org/tracker/CVE-2024-0567
- https://gitlab.com/gnutls/gnutls/-/commit/9edbdaa84e38b1bfb53a7d72c1de44f8de373405
- https://ubuntu.com/security/CVE-2024-0567
- https://access.redhat.com/errata/RHSA-2024:1383
- https://access.redhat.com/errata/RHSA-2024:2094
- https://exchange.xforce.ibmcloud.com/vulnerabilities/279605
- https://www.ibm.com/support/pages/node/7160961 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-0567?
CVE-2024-0567 is classified as a medium severity vulnerability.
How do I fix CVE-2024-0567?
To fix CVE-2024-0567, update GnuTLS to version 3.8.3 or later for Red Hat or the appropriate patched version for your system.
What systems are affected by CVE-2024-0567?
CVE-2024-0567 affects versions of GnuTLS prior to 3.8.3, as well as specific Ubuntu and Debian package versions.
What can an attacker do with CVE-2024-0567?
An attacker can exploit CVE-2024-0567 to disrupt certificate chain validation, potentially allowing unauthorized access.
Is CVE-2024-0567 related to any specific products?
Yes, CVE-2024-0567 impacts products utilizing GnuTLS, such as IBM QRadar Network Packet Capture and various Linux distributions.
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