Keylime: challenge-response protocol bypass during agent registration
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-38201
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 16:27 UTC · Revision 1
Source evidence
Keylime: challenge-response protocol bypass during agent registration
core-osv · Original sourcePublished 25 Aug 2023, 16:15 UTC
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.
osv:CVE-2023-38201
Complete source record
{
"id": "612fce2c05f733a601356a00bf1f7b4445ac05eaf3bc59373ff91372f1cb4268",
"url": "https://osv.dev/vulnerability/CVE-2023-38201",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Keylime: challenge-response protocol bypass during agent registration",
"summary": "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.",
"evidence": "osv:CVE-2023-38201",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2023-38201",
"aliases": [
"CVE-2023-38201",
"GHSA-f4r5-q63f-gcww",
"PYSEC-2023-160"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/keylime/keylime",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "29657502a4b59f1ffc702043fdb375c0e02bed60"
},
{
"fixed": "9e5ac9f25cd400b16d5969f531cee28290543f2a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:keylime:keylime:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "7.5.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "9e5ac9f25cd400b16d5969f531cee28290543f2a"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v7.4.0",
"v7.3.0",
"v7.2.5",
"v6.5.0",
"v7.0.0",
"v6.7.0",
"v6.6.0",
"v6.5.3",
"v6.5.2",
"v5.8.2",
"v6.5.1",
"v6.4.3",
"v6.4.2",
"v6.4.1",
"v6.4.0",
"v6.3.2",
"v6.3.1",
"v6.3.0",
"v6.2.1",
"v6.2.0",
"6.1.1",
"6.1.0",
"6.0.1",
"6.0.0",
"v5.8.1",
"5.8.1",
"5.8.0",
"v4.0.1",
"5.7.3",
"5.7.2",
"5.7.1",
"5.7.0",
"5.6.2",
"5.6.1",
"5.6.0",
"5.5.0",
"5.4.1",
"5.4.0",
"5.3.1",
"5.3.0",
"5.2.0",
"5.1.0",
"5.0.0",
"v4.0.0",
"v3.1.1",
"v3.1.0",
"v3.0.0",
"v2.3.4",
"v2.3.3",
"v2.3.2",
"v2.3.1",
"v2.3",
"v2.2",
"v2.1.1",
"v2.1",
"v2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-38201.json"
}
}
],
"modified": "2026-10-28T02:30:21.258435837Z",
"provider": "osv",
"references": [
"https://access.redhat.com/downloads/content/package-browser/",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/",
"https://access.redhat.com/errata/RHSA-2023:5080",
"https://access.redhat.com/security/cve/CVE-2023-38201",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38201.json",
"https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcww",
"https://nvd.nist.gov/vuln/detail/CVE-2023-38201",
"https://bugzilla.redhat.com/show_bug.cgi?id=2222693",
"https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2a"
],
"provider_metadata": {
"cwe_ids": [
"CWE-639"
],
"cna_assigner": "redhat",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"fixed": "0:6.5.2-6.el9_2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "InverseAffectedRanges"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/38xxx/CVE-2023-38201.json"
}
},
"related_cves": [
{
"value": "CVE-2023-38201",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 487128,
"published_at": "2023-08-25T16:15:39.449+00:00"
}