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Vulnerability · Published Jul 24, 2023 · Assigned by redhat

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

High 7.5

In plain English

A high-severity uncontrolled resource consumption in Red Hat Enterprise Linux 9 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% 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 26.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9keylime6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9keylime-base6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9keylime-registrar6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9keylime-selinux6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9keylime-tenant6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9keylime-verifier6.5.2-6.el9_2.alma.1ALSA-2023:5080
AlmaLinux:9python3-keylime6.5.2-6.el9_2.alma.1ALSA-2023:5080
PyPIkeylime7.4.0GHSA-pg75-v6fp-8q59
PyPIkeylime7.4.0PYSEC-2026-1489

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References