RHSA-2023:5080
Vulnerability from csaf_redhat - Published: 2023-09-12 10:14 - Updated: 2025-11-21 18:44Summary
Red Hat Security Advisory: keylime security update
Severity
Moderate
Notes
Topic: An update for keylime is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution.
Security Fix(es):
* keylime: registrar is subject to a DoS against SSL connections (CVE-2023-38200)
* Keylime: challenge-response protocol bypass during agent registration (CVE-2023-38201)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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.
7.5 (High)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-selinux-0:6.5.2-6.el9_2.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
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.
6.5 (Medium)
Affected products
Fixed
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-base-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-registrar-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-selinux-0:6.5.2-6.el9_2.noarch | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-tenant-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:keylime-verifier-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.aarch64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.x86_64 | — |
Vendor Fix
fix
|
Threats
Impact
Moderate
References
16 references
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"text": "keylime: registrar is subject to a DoS against SSL connections",
"title": "Vulnerability summary"
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{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.s390x",
"AppStream-9.2.0.Z.MAIN.EUS:python3-keylime-0:6.5.2-6.el9_2.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Keylime: challenge-response protocol bypass during agent registration"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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