Keylime
CVE-2023-38200
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
A flaw was found in Keylime. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in pypi
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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 include: Keylime, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux For Ibm Z Systems, Redhat Enterprise Linux For Ibm Z Systems Eus.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
In Keylime before 6.3.0, current keylime installer installs the keylime.conf file, which can contain sensitive data, as
In Keylime before 6.3.0, Revocation Notifier uses a fixed /tmp path for UNIX domain socket which can allow unprivileged
In Keylime before 6.3.0, unsanitized UUIDs can be passed by a rogue agent and can lead to log spoofing on the verifier a
A flaw was found in Keylime before 6.3.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no
Authentication bypass in the Keylime registrar (versions 7.12.0 and later) lets unauthenticated network attackers perfor
A flaw was found in keylime 5.8.1 and older. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploita
In Keylime before 6.3.0, quote responses from the agent can contain possibly untrusted ZIP data which can lead to zip bo
Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent regi
A vulnerability was found in keylime. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required
A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when
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