Home/CVE/A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of servic
CVE

CVE-2023-38200

A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of servic

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.

HIGH · CVSS 7.5 EPSS 0.00261
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-834Excessive Iteration
▤

Affected Products & Versions

9
keylimeall versions
redhat enterprise linuxall versions
redhat enterprise linux eusall versions
redhat enterprise linux for ibm z systemsall versions
redhat enterprise linux for ibm z systems eusall versions
redhat enterprise linux for power little endianall versions
redhat enterprise linux for power little endian eusall versions
redhat enterprise linux server ausall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI keylime HIGH fixed in 7.4.0
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Jul 2023 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:13096-1
rhsaRHSA-2023:5080Moderate
suse-csafSUSE-SU-2023:3245-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-38200Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2222692Issue TrackingThird Party Advisory
https://github.com/keylime/keylime/pull/1421Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/
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