CVE-2011-1739 (GCVE-0-2011-1739)
Vulnerability from cvelistv5
Published
2011-05-03 20:00
Modified
2024-08-06 22:37
Severity ?
CWE
  • n/a
Summary
The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.
References
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T22:37:25.786Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "ADV-2011-1076",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2011/1076"
          },
          {
            "name": "FreeBSD-SA-11:01",
            "tags": [
              "vendor-advisory",
              "x_refsource_FREEBSD",
              "x_transferred"
            ],
            "url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc"
          },
          {
            "name": "47517",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/47517"
          },
          {
            "name": "freebsd-mountd-security-bypass(66981)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66981"
          },
          {
            "name": "1025425",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://securitytracker.com/id?1025425"
          },
          {
            "name": "44307",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/44307"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-04-20T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-16T14:57:01",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "name": "ADV-2011-1076",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2011/1076"
        },
        {
          "name": "FreeBSD-SA-11:01",
          "tags": [
            "vendor-advisory",
            "x_refsource_FREEBSD"
          ],
          "url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc"
        },
        {
          "name": "47517",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/47517"
        },
        {
          "name": "freebsd-mountd-security-bypass(66981)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66981"
        },
        {
          "name": "1025425",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://securitytracker.com/id?1025425"
        },
        {
          "name": "44307",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/44307"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2011-1739",
          "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": "The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "ADV-2011-1076",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2011/1076"
            },
            {
              "name": "FreeBSD-SA-11:01",
              "refsource": "FREEBSD",
              "url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc"
            },
            {
              "name": "47517",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/47517"
            },
            {
              "name": "freebsd-mountd-security-bypass(66981)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66981"
            },
            {
              "name": "1025425",
              "refsource": "SECTRACK",
              "url": "http://securitytracker.com/id?1025425"
            },
            {
              "name": "44307",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/44307"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2011-1739",
    "datePublished": "2011-05-03T20:00:00",
    "dateReserved": "2011-04-19T00:00:00",
    "dateUpdated": "2024-08-06T22:37:25.786Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-1739\",\"sourceIdentifier\":\"secteam@freebsd.org\",\"published\":\"2011-05-03T20:55:12.417\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The makemask function in mountd.c in mountd in FreeBSD 7.4 through 8.2 does not properly handle a -network field specifying a CIDR block with a prefix length that is not an integer multiple of 8, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances via an NFS mount request.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n makemask en mountd.c en mountd en FreeBSD v7.4 a v8.2 no controla correctamente el campo de una red, la especificaci\u00f3n de un bloque CIDR con una longitud de prefijo que no es un m\u00faltiplo entero de 8, lo que permite a atacantes remotos evitar las restricciones de acceso previsto en oportunistas circunstancias a trav\u00e9s de un montaje de petici\u00f3n NFS.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0C94B745-BD27-423D-BBB6-A821CD9BC1C4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3CF1F9EF-01AF-4708-AE02-765360AF3D66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:8.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9899C87E-2C09-46AE-BC24-1ACF012784CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:8.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DD5ECA1A-D9B4-4ED7-95EC-684E7AA2B765\"}]}]}],\"references\":[{\"url\":\"http://secunia.com/advisories/44307\",\"source\":\"secteam@freebsd.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc\",\"source\":\"secteam@freebsd.org\"},{\"url\":\"http://securitytracker.com/id?1025425\",\"source\":\"secteam@freebsd.org\"},{\"url\":\"http://www.securityfocus.com/bid/47517\",\"source\":\"secteam@freebsd.org\"},{\"url\":\"http://www.vupen.com/english/advisories/2011/1076\",\"source\":\"secteam@freebsd.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/66981\",\"source\":\"secteam@freebsd.org\"},{\"url\":\"http://secunia.com/advisories/44307\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://security.FreeBSD.org/advisories/FreeBSD-SA-11:01.mountd.asc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://securitytracker.com/id?1025425\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/47517\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.vupen.com/english/advisories/2011/1076\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/66981\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.