Resource exhaustion in Keylime
CVE-2023-38200
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.014 (70.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Keylime
- Fedoraproject Fedora — versions 38
- Red Hat Enterprise Linux 9 — versions 0:6.5.2-6.el9_2
- Redhat Enterprise_linux — versions 9.0
- Redhat Enterprise_linux_eus — versions 9.2
- Redhat Enterprise_linux_for_ibm_z_systems — versions 9.0_s390x
- Redhat Enterprise_linux_for_ibm_z_systems_eus — versions 9.2_s390x
- Redhat Enterprise_linux_for_power_little_endian — versions 9.0_ppc64le
- Redhat Enterprise_linux_for_power_little_endian_eus — versions 9.0_ppc64le
- Redhat Enterprise_linux_server_aus — versions 9.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-38200?
- CVE-2023-38200 is a high-severity vulnerability in Keylime, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-07-24.
- How severe is CVE-2023-38200?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-38200 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.