cve-2017-15105
Vulnerability from cvelistv5
Published
2018-01-23 16:00
Modified
2024-09-16 21:56
Severity ?
Summary
A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.
References
secalert@redhat.comhttp://www.securityfocus.com/bid/102817Third Party Advisory, VDB Entry
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2018/01/msg00039.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2019/02/msg00022.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://unbound.net/downloads/CVE-2017-15105.txtPatch, Vendor Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3673-1/Third Party Advisory
Impacted products
NLnet Labsunbound
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T19:50:16.037Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "102817",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/102817"
          },
          {
            "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
          },
          {
            "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
          },
          {
            "name": "USN-3673-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3673-1/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "unbound",
          "vendor": "NLnet Labs",
          "versions": [
            {
              "status": "affected",
              "version": "before 1.6.8"
            }
          ]
        }
      ],
      "datePublic": "2018-01-19T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-358",
              "description": "CWE-358",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-02-15T10:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "102817",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/102817"
        },
        {
          "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
        },
        {
          "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
        },
        {
          "name": "USN-3673-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3673-1/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "DATE_PUBLIC": "2018-01-19T00:00:00",
          "ID": "CVE-2017-15105",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "unbound",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "before 1.6.8"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "NLnet Labs"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-358"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "102817",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/102817"
            },
            {
              "name": "[debian-lts-announce] 20190214 [SECURITY] [DLA 1676-1] unbound security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html"
            },
            {
              "name": "[debian-lts-announce] 20180130 [SECURITY] [DLA 1264-1] unbound security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html"
            },
            {
              "name": "https://unbound.net/downloads/CVE-2017-15105.txt",
              "refsource": "CONFIRM",
              "url": "https://unbound.net/downloads/CVE-2017-15105.txt"
            },
            {
              "name": "USN-3673-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3673-1/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2017-15105",
    "datePublished": "2018-01-23T16:00:00Z",
    "dateReserved": "2017-10-08T00:00:00",
    "dateUpdated": "2024-09-16T21:56:27.390Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-15105\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2018-01-23T16:29:00.273\",\"lastModified\":\"2019-10-09T23:24:13.483\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado un error en la forma en la que unbound, en versiones anteriores a la 1.6.8, validaba los registros NSEC sintetizados con caracteres comod\u00edn. Un registro con caracteres comod\u00edn NSEC validado incorrectamente podr\u00eda emplearse para probar la falta (respuesta NXDOMAIN) de un registro de caracteres comod\u00edn, o enga\u00f1ar a unbound para que acepte una prueba NODATA.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-358\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.6.8\",\"matchCriteriaId\":\"BAE9EA21-B784-4BCD-A0D6-8C474E6AEDCB\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"B5A6F2F3-4894-4392-8296-3B8DD2679084\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9070C9D8-A14A-467F-8253-33B966C16886\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/102817\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/01/msg00039.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/02/msg00022.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://unbound.net/downloads/CVE-2017-15105.txt\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3673-1/\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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.
  • 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.