What’s Vulnerable › Vulnerabilities

CVE-2023-38200: Keylime: registrar is subject to a dos against ssl connections

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-24 · updated 2026-06-17
• Weakness: CWE-400

Description

A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This flaw allows an attacker to exhaust all available connections.

Affected products

• Fedoraproject Fedora: 38
• keylime: all versions
• Red Hat Enterprise Linux: 9.0
• RedHat Enterprise Linux Eus: 9.2
• RedHat Enterprise Linux For Ibm Z Systems: 9.0_s390x
• RedHat Enterprise Linux For Ibm Z Systems Eus: 9.2_s390x
• RedHat Enterprise Linux For Power Little Endian: 9.0_ppc64le
• RedHat Enterprise Linux For Power Little Endian Eus: 9.0_ppc64le
• RedHat Enterprise Linux Server Aus: 9.2

References

• https://access.redhat.com/errata/RHSA-2023:5080
• https://access.redhat.com/security/cve/CVE-2023-38200
• https://bugzilla.redhat.com/show_bug.cgi?id=2222692
• https://github.com/keylime/keylime/pull/1421
• https://access.redhat.com/errata/RHSA-2023:5080
• https://access.redhat.com/security/cve/CVE-2023-38200
• https://bugzilla.redhat.com/show_bug.cgi?id=2222692
• https://github.com/keylime/keylime/pull/1421
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/

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