Keylime
CVE-2023-38201
MEDIUM
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
1DescriptionNVD
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.
AnalysisAI
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity.
Technical ContextAI
This vulnerability is classified under CWE-639. A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database. 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.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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 Keylime. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticati
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
Same technique Authentication Bypass
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External POC / Exploit Code
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