Tenant and Verifier might not use the same registrar data
Keylime does not enforce that the agent registrar data is the same when the tenant uses it for validation of the EK and identity quote and the verifier for validating the integrity quote. This allows an attacker to use one AK, EK pair from a real TPM to pass EK validation and give the verifier an AK of a software TPM. A successful attack breaks the entire chain of trust because a not validated AK is used by the verifier. This issue is worse if the validation happens first and then the agent gets added to the verifier because the timing is easier and the verifier does not validate the regcount entry being equal to 1. At this time, there are no known workaround.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | keylime | < 6.4.0 | 6.4.0 |
Referencias
- https://bugzilla.redhat.com/show_bug.cgi?id=2065024,
- https://github.com/keylime/keylime/commit/bd5de712acdd77860e7dc58969181e16c7a8dc5d
- https://github.com/keylime/keylime/security/advisories/GHSA-jf66-3q76-h5p5,
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7WAKVXM7L5D2DUACV6EHA6EJNAX2GVL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WEW2PAXO5YGLDLPG45YV2OPLJXJSCECQ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RF6QHU4UGSBATC3HOOE7OP66CYVTR7CV/
- https://github.com/advisories/GHSA-jf66-3q76-h5p5
- https://github.com/keylime/keylime/security/advisories/GHSA-jf66-3q76-h5p5
- https://nvd.nist.gov/vuln/detail/CVE-2022-1053
- https://bugzilla.redhat.com/show_bug.cgi?id=2065024
- https://github.com/keylime/keylime
- https://github.com/pypa/advisory-database/tree/main/vulns/keylime/PYSEC-2022-184.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A7WAKVXM7L5D2DUACV6EHA6EJNAX2GVL
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RF6QHU4UGSBATC3HOOE7OP66CYVTR7CV
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WEW2PAXO5YGLDLPG45YV2OPLJXJSCECQ
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Debilidad (CWE)
CWE-20- Plataforma
- Python (PyPI)
- Paquete
keylime- Publicada
- 05.05.2022
- Actualizado
- 11.10.2026 15:17
Fuentes y licencias
OSV / GitHub Advisory Database - PYSEC-2022-184 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-jf66-3q76-h5p5 - CC BY 4.0
Historial de vulnerabilidades: keylime
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 9
- Primera → última
- 05.2022 05.2026
- Sin corrección
- 1
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 2
- Alta 4
- Media 2
- Baja 1
Divulgaciones por año
- 2022: 2
- 2023: 3
- 2024: 0
- 2025: 2
- 2026: 2
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Tenant and Verifier might not use the same registrar data esta entrada
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