fkie_cve-2020-36424
Vulnerability from fkie_nvd
Published
2021-07-19 17:15
Modified
2024-11-21 05:29
Severity ?
Summary
An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"matchCriteriaId": "7B433A90-3067-4BE3-8ADC-27526D105208",
"versionEndExcluding": "2.7.17",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5FCB1BC3-0374-4CD1-9DF9-AFB95CD1345A",
"versionEndExcluding": "2.16.8",
"versionStartIncluding": "2.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6180181F-E908-42B7-BBF2-15C437DCC34D",
"versionEndExcluding": "2.24.0",
"versionStartIncluding": "2.17.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
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}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values."
},
{
"lang": "es",
"value": "Se ha detectado un problema en Arm Mbed TLS versiones anteriores a 2.24.0. Un atacante puede recuperar una clave privada (para RSA o Diffie-Hellman est\u00e1tico) por medio de un ataque de canal lateral contra la generaci\u00f3n de valores blinding/unblinding de base"
}
],
"id": "CVE-2020-36424",
"lastModified": "2024-11-21T05:29:28.577",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"cvssData": {
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"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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}
]
},
"published": "2021-07-19T17:15:11.277",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch",
"Third Party Advisory"
],
"url": "https://bugs.gentoo.org/740108"
},
{
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"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"
},
{
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},
{
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"tags": [
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],
"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
},
{
"source": "cve@mitre.org",
"tags": [
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],
"url": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2"
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"tags": [
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"tags": [
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},
{
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"tags": [
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},
{
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"tags": [
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],
"url": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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