{
  "id": "CVE-2019-20429",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-01-27T05:15:12.343",
  "lastModified": "2020-01-29T19:44:04.730",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2."
    },
    {
      "lang": "es",
      "value": "En el sistema de archivos de Luster versiones anteriores versiones hasta 2.12.3, el m\u00f3dulo ptlrpc presenta una lectura fuera de l\u00edmites y un p\u00e1nico (por medio de un campo lm_bufcount  modificado) debido a la falta de comprobaci\u00f3n para campos de paquetes espec\u00edficos enviados mediante un cliente. Esto es causado por la interacci\u00f3n entre las funciones sptlrpc_svc_unwrap_request y lustre_msg_hdr_size_v2."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.12.3",
              "matchCriteriaId": "172579FA-E7BC-4490-BA7D-1B5737B84154"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://lustre.org/",
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://jira.whamcloud.com/browse/LU-12590",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://review.whamcloud.com/#/c/36119/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}