Gnutls: rejects certificate chain with distributed trust
CVE-2024-0567

7.5HIGH

Key Information:

Vendor

Red Hat
Status
Gnutls
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 9.2 Extended Update Support
Red Hat Enterprise Linux 6
Vendor
CVE Published:
16 January 2024

What is CVE-2024-0567?

A vulnerability exists in GnuTLS that leads to the rejection of a certificate chain with distributed trust when utilizing the cockpit-certificate-ensure functionality. This issue effectively allows unauthenticated remote clients or attackers to exploit the flaw, resulting in potential denial of service conditions. The flaw emphasizes the importance of robust certificate validation processes in enhancing the security posture of applications relying on GnuTLS.

Affected Version(s)

GnuTLS 3.8.3

Red Hat Enterprise Linux 9 0:3.7.6-23.el9_3.3

Red Hat Enterprise Linux 9 0:3.7.6-23.el9_3.3

References

http://www.openwall.com/lists/oss-security/2024/01/19/3
https://access.redhat.com/errata/RHSA-2024:0533
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1082
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.