FKIE_CVE-2019-20432
Vulnerability from fkie_nvd - Published: 2020-01-27 05:15 - Updated: 2026-06-17 02:30
Severity
Summary
In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from req_capsule_get_size.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://lustre.org/ | Product, Vendor Advisory | |
| cve@mitre.org | http://wiki.lustre.org/Lustre_2.12.3_Changelog | Release Notes, Vendor Advisory | |
| cve@mitre.org | https://jira.whamcloud.com/browse/LU-12604 | Exploit, Issue Tracking, Third Party Advisory | |
| cve@mitre.org | https://review.whamcloud.com/#/c/35868/ | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://lustre.org/ | Product, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://wiki.lustre.org/Lustre_2.12.3_Changelog | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://jira.whamcloud.com/browse/LU-12604 | Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://review.whamcloud.com/#/c/35868/ | Third Party Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*",
"matchCriteriaId": "172579FA-E7BC-4490-BA7D-1B5737B84154",
"versionEndExcluding": "2.12.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from req_capsule_get_size."
},
{
"lang": "es",
"value": "En el sistema de archivos de Luster versiones anteriores versiones hasta 2.12.3, el m\u00f3dulo mdt presenta un acceso fuera de l\u00edmites y un p\u00e1nico debido a la falta de comprobaci\u00f3n para campos de paquetes espec\u00edficos enviados mediante un cliente. La funci\u00f3n mdt_file_secctx_unpack no comprueba el valor de name_size derivado de req_capsule_get_size."
}
],
"id": "CVE-2019-20432",
"lastModified": "2026-06-17T02:30:25.573",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 7.8,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-01-27T05:15:12.577",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Product",
"Vendor Advisory"
],
"url": "http://lustre.org/"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://jira.whamcloud.com/browse/LU-12604"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://review.whamcloud.com/#/c/35868/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product",
"Vendor Advisory"
],
"url": "http://lustre.org/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://jira.whamcloud.com/browse/LU-12604"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://review.whamcloud.com/#/c/35868/"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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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
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