GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2019-20431 (GCVE-0-2019-20431)

Vulnerability from cvelistv5 – Published: 2020-01-27 04:19 – Updated: 2024-08-05 02:39
VLAI
Summary
In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:39:09.989Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://lustre.org/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://jira.whamcloud.com/browse/LU-12612"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://review.whamcloud.com/#/c/36273/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-27T04:19:58.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://lustre.org/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://jira.whamcloud.com/browse/LU-12612"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://review.whamcloud.com/#/c/36273/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-20431",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://wiki.lustre.org/Lustre_2.12.3_Changelog",
              "refsource": "MISC",
              "url": "http://wiki.lustre.org/Lustre_2.12.3_Changelog"
            },
            {
              "name": "http://lustre.org/",
              "refsource": "MISC",
              "url": "http://lustre.org/"
            },
            {
              "name": "https://jira.whamcloud.com/browse/LU-12612",
              "refsource": "MISC",
              "url": "https://jira.whamcloud.com/browse/LU-12612"
            },
            {
              "name": "https://review.whamcloud.com/#/c/36273/",
              "refsource": "MISC",
              "url": "https://review.whamcloud.com/#/c/36273/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-20431",
    "datePublished": "2020-01-27T04:19:58.000Z",
    "dateReserved": "2020-01-27T00:00:00.000Z",
    "dateUpdated": "2024-08-05T02:39:09.989Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2019-20431",
      "date": "2026-09-16",
      "epss": "0.0192",
      "percentile": "0.78868"
    },
    "fkie_nvd": {
      "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\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value.\"}, {\"lang\": \"es\", \"value\": \"En el sistema de archivos de Luster versiones anteriores versiones hasta 2.12.3, el m\\u00f3dulo ptlrpc presenta un acceso fuera de l\\u00edmites de osd_map_remote_to_local y un p\\u00e1nico debido a la falta de comprobaci\\u00f3n para campos de paquetes espec\\u00edficos enviados mediante un cliente. La funci\\u00f3n osd_bufs_get en el m\\u00f3dulo osd_ldiskfs no comprueba un determinado valor de longitud.\"}]",
      "id": "CVE-2019-20431",
      "lastModified": "2024-11-21T04:38:27.470",
      "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\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"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\", \"baseScore\": 7.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-01-27T05:15:12.483",
      "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-12612\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://review.whamcloud.com/#/c/36273/\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://lustre.org/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Product\", \"Vendor Advisory\"]}, {\"url\": \"http://wiki.lustre.org/Lustre_2.12.3_Changelog\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\", \"Vendor Advisory\"]}, {\"url\": \"https://jira.whamcloud.com/browse/LU-12612\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://review.whamcloud.com/#/c/36273/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-20431\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2020-01-27T05:15:12.483\",\"lastModified\":\"2024-11-21T04:38:27.470\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Lustre file system before 2.12.3, the ptlrpc module has an osd_map_remote_to_local out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. osd_bufs_get in the osd_ldiskfs module does not validate a certain length value.\"},{\"lang\":\"es\",\"value\":\"En el sistema de archivos de Luster versiones anteriores versiones hasta 2.12.3, el m\u00f3dulo ptlrpc presenta un acceso fuera de l\u00edmites de osd_map_remote_to_local y un p\u00e1nico debido a la falta de comprobaci\u00f3n para campos de paquetes espec\u00edficos enviados mediante un cliente. La funci\u00f3n osd_bufs_get en el m\u00f3dulo osd_ldiskfs no comprueba un determinado valor de longitud.\"}],\"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\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"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\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"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-787\"}]}],\"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-12612\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://review.whamcloud.com/#/c/36273/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://lustre.org/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Product\",\"Vendor Advisory\"]},{\"url\":\"http://wiki.lustre.org/Lustre_2.12.3_Changelog\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://jira.whamcloud.com/browse/LU-12612\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://review.whamcloud.com/#/c/36273/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.


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.