CVE-2020-7468 (GCVE-0-2020-7468)

Vulnerability from cvelistv5 – Published: 2021-03-26 20:27 – Updated: 2024-08-04 09:33
VLAI
Summary
In FreeBSD 12.2-STABLE before r365772, 11.4-STABLE before r365773, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5). Moreover, the bug allows a malicious client to gain root privileges.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Missing authorization
Assigner
References
Impacted products
Vendor Product Version
n/a FreeBSD Affected: FreeBSD 12.1-RELEASE before p10, 11.4-RELEASE before p4, 11.3-RELEASE before p14
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:33:19.881Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeBSD",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "FreeBSD 12.1-RELEASE before p10, 11.4-RELEASE before p4, 11.3-RELEASE before p14"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In FreeBSD 12.2-STABLE before r365772, 11.4-STABLE before r365773, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5). Moreover, the bug allows a malicious client to gain root privileges."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Missing authorization",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-26T20:27:13.000Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2020-7468",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "FreeBSD",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "FreeBSD 12.1-RELEASE before p10, 11.4-RELEASE before p4, 11.3-RELEASE before p14"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In FreeBSD 12.2-STABLE before r365772, 11.4-STABLE before r365773, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5). Moreover, the bug allows a malicious client to gain root privileges."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Missing authorization"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc",
              "refsource": "MISC",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2020-7468",
    "datePublished": "2021-03-26T20:27:13.000Z",
    "dateReserved": "2020-01-21T00:00:00.000Z",
    "dateUpdated": "2024-08-04T09:33:19.881Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-7468",
      "date": "2026-06-30",
      "epss": "0.0135",
      "percentile": "0.68012"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-7468\",\"sourceIdentifier\":\"secteam@freebsd.org\",\"published\":\"2021-03-26T21:15:13.380\",\"lastModified\":\"2024-11-21T05:37:12.290\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In FreeBSD 12.2-STABLE before r365772, 11.4-STABLE before r365773, 12.1-RELEASE before p10, 11.4-RELEASE before p4 and 11.3-RELEASE before p14 a ftpd(8) bug in the implementation of the file system sandbox, combined with capabilities available to an authenticated FTP user, can be used to escape the file system restriction configured in ftpchroot(5). Moreover, the bug allows a malicious client to gain root privileges.\"},{\"lang\":\"es\",\"value\":\"En FreeBSD versiones 12.2-STABLE anteriores a r365772, 11.4-STABLE anteriores a r365773, 12.1-RELEASE anteriores a p10, 11.4-RELEASE anteriores a p4 y 11.3-RELEASE anteriores a p14, un bug de ftpd(8) en la implementaci\u00f3n del sandbox del sistema de archivos, combinado con las capacidades disponibles para un usuario FTP autenticado, puede ser usada para escapar de la restricci\u00f3n del sistema de archivos configurada en ftpchroot(5).\u0026#xa0;Adem\u00e1s, el bug permite a un cliente malicioso alcanzar privilegios root.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:C/I:C/A:C\",\"baseScore\":9.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"F35957CE-AF9F-40CA-BDD1-FA6A0E73783F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA929713-B797-494A-853D-C121D9D69519\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:*\",\"matchCriteriaId\":\"B87AF171-95AC-4DDA-8D94-694F85638B46\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:*\",\"matchCriteriaId\":\"1CC8B031-41BB-4846-B092-7E4BC6F35D6B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:*\",\"matchCriteriaId\":\"83E34012-BC9D-4F0C-AAE1-FE5767B4EED6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p13:*:*:*:*:*:*\",\"matchCriteriaId\":\"57EF03AC-0934-46FD-A77C-76A0CAF4342C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C3D8EDC-91D3-45B2-AC1D-EF4346D4A714\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA5006FF-06A5-4D95-BF5B-29F26248D11F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A705031B-FD63-4076-B92E-E826E11D7111\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"11C1EFB1-68E5-45F4-A7E1-744574F290D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*\",\"matchCriteriaId\":\"25F649A7-9265-4552-8934-BCE083363982\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:*\",\"matchCriteriaId\":\"F202C856-5B95-4796-AC4A-1F210E7BAB8F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:*\",\"matchCriteriaId\":\"9419C866-C478-4CDE-A9A1-E592D8FF0933\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B6DFC23-A7A1-431A-9AD9-A820579F95F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"4A865EA1-01D7-4E5A-9D13-80780F8A9D7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"9FCA6A72-2A72-45FD-A43D-B5BF7C329121\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"90F9B3CB-3B60-4AA8-9EAF-4F0BE7D27691\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"C04EE177-C7D1-4049-B680-F961A27C677F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"BD730B6A-F123-4685-ACB3-4F20AAAB77F3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"508150E3-2C0C-4EEB-BFC9-BB5CEB404C06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5D692EF-A5D7-430E-91BA-4CD137343B66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"D50C60A7-4C9F-4636-92E9-9F5B8B01BE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"6C49F6C7-A740-42F4-93BB-512CBF334516\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"402740C4-5B55-423F-BAD2-F742E1E21ADC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*\",\"matchCriteriaId\":\"9DCAA10A-C612-45E0-84B7-55897F49D65E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB6258A5-8066-48B8-A417-09A1547DD57A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:*\",\"matchCriteriaId\":\"6601C7C4-EC36-4EAA-90AC-D3156A2BF330\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*\",\"matchCriteriaId\":\"EDCBC06C-B16B-498A-A99B-5F9F17C5FF03\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"73D9C08B-8F5B-40C4-A5BD-B00D2E4C012D\"}]}]}],\"references\":[{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc\",\"source\":\"secteam@freebsd.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://security.FreeBSD.org/advisories/FreeBSD-SA-20:30.ftpd.asc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor 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.