CVE-2019-16863 (GCVE-0-2019-16863)
Vulnerability from cvelistv5 – Published: 2019-11-14 02:07 – Updated: 2024-08-05 01:24
VLAI
EPSS
VEX
Summary
STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL.
Severity
5.9 (Medium)
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://tpm.fail | x_refsource_MISC |
| https://support.f5.com/csp/article/K32412503?utm_… | x_refsource_CONFIRM |
| https://support.hpe.com/hpsc/doc/public/display?d… | x_refsource_CONFIRM |
| https://support.lenovo.com/us/en/product_security… | x_refsource_CONFIRM |
| https://www.st.com/content/st_com/en/campaigns/tp… | x_refsource_CONFIRM |
| https://portal.msrc.microsoft.com/en-US/security-… | x_refsource_MISC |
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"matchCriteriaId": "305B9B97-8EFE-4666-82EF-3BA7059F3925",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:st:st33tphf20i2c_firmware:74.9:*:*:*:*:*:*:*",
"matchCriteriaId": "23448585-9D09-44FB-B26E-A7074AE9B9C4",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:st:st33tphf20i2c:-:*:*:*:*:*:*:*",
"matchCriteriaId": "66CEA512-EA0A-4E31-891B-27AC1E7B5E00",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "STMicroelectronics ST33TPHF2ESPI TPM devices before 2019-09-12 allow attackers to extract the ECDSA private key via a side-channel timing attack because ECDSA scalar multiplication is mishandled, aka TPM-FAIL."
},
{
"lang": "es",
"value": "Los dispositivos STMicroelectronics ST33TPHF2ESPI TPM antes del 12-09-2019, permiten a atacantes extraer la clave privada ECDSA por medio de un ataque de sincronizaci\u00f3n de canal lateral porque la multiplicaci\u00f3n escalar de ECDSA es manejada inapropiadamente, tambi\u00e9n se conoce como TPM-FAIL."
}
],
"id": "CVE-2019-16863",
"lastModified": "2024-11-21T04:31:13.540",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-11-14T03:15:11.510",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "http://tpm.fail"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024"
},
{
"source": "cve@mitre.org",
"url": "https://support.f5.com/csp/article/K32412503?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03972en_us"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://support.lenovo.com/us/en/product_security/LEN-29406"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.st.com/content/st_com/en/campaigns/tpm-update.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://tpm.fail"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190024"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://support.f5.com/csp/article/K32412503?utm_source=f5support\u0026amp%3Butm_medium=RSS"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03972en_us"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://support.lenovo.com/us/en/product_security/LEN-29406"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.st.com/content/st_com/en/campaigns/tpm-update.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-203"
},
{
"lang": "en",
"value": "CWE-327"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T16:52:45+00:00",
"cve": "CVE-2019-16863",
"id": "CVE-2019-16863",
"initial_release_date": "2019-01-01T00:00:00+00:00",
"product_status:known_not_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "hw: ECDSA signature timing vulnerabilities in TPM module",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-16863.json",
"version": "3"
}
}
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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