gsd-2020-12662
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
Aliases
Aliases
CVE-2020-12662


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-12662",
    "description": "Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records.",
    "id": "GSD-2020-12662",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-12662.html",
      "https://www.debian.org/security/2020/dsa-4694",
      "https://access.redhat.com/errata/RHSA-2020:4181",
      "https://access.redhat.com/errata/RHSA-2020:2640",
      "https://access.redhat.com/errata/RHSA-2020:2419",
      "https://access.redhat.com/errata/RHSA-2020:2418",
      "https://access.redhat.com/errata/RHSA-2020:2416",
      "https://access.redhat.com/errata/RHSA-2020:2414",
      "https://ubuntu.com/security/CVE-2020-12662",
      "https://advisories.mageia.org/CVE-2020-12662.html",
      "https://security.archlinux.org/CVE-2020-12662",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-12662.html",
      "https://linux.oracle.com/cve/CVE-2020-12662.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-12662"
      ],
      "details": "Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records.",
      "id": "GSD-2020-12662",
      "modified": "2023-12-13T01:21:49.376019Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-12662",
        "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": {
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          {
            "lang": "eng",
            "value": "Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt",
            "refsource": "CONFIRM",
            "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt"
          },
          {
            "name": "http://www.nxnsattack.com",
            "refsource": "MISC",
            "url": "http://www.nxnsattack.com"
          },
          {
            "name": "[oss-security] 20200519 Unbound - CVE-2020-12662, CVE-2020-12663",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2020/05/19/5"
          },
          {
            "name": "FEDORA-2020-3cfd38fefd",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/"
          },
          {
            "name": "DSA-4694",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2020/dsa-4694"
          },
          {
            "name": "FEDORA-2020-8e9b62948e",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/"
          },
          {
            "name": "https://www.synology.com/security/advisory/Synology_SA_20_12",
            "refsource": "CONFIRM",
            "url": "https://www.synology.com/security/advisory/Synology_SA_20_12"
          },
          {
            "name": "USN-4374-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4374-1/"
          },
          {
            "name": "openSUSE-SU-2020:0912",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html"
          },
          {
            "name": "openSUSE-SU-2020:0913",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20200702-0006/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20200702-0006/"
          },
          {
            "name": "FreeBSD-SA-20:19",
            "refsource": "FREEBSD",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc"
          },
          {
            "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2556-1] unbound1.9 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.10.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12662"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an \"NXNSAttack\" issue. This is triggered by random subdomains in the NSDNAME in NS records."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt",
              "refsource": "CONFIRM",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt"
            },
            {
              "name": "http://www.nxnsattack.com",
              "refsource": "MISC",
              "tags": [
                "Technical Description"
              ],
              "url": "http://www.nxnsattack.com"
            },
            {
              "name": "[oss-security] 20200519 Unbound - CVE-2020-12662, CVE-2020-12663",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2020/05/19/5"
            },
            {
              "name": "FEDORA-2020-3cfd38fefd",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/"
            },
            {
              "name": "DSA-4694",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2020/dsa-4694"
            },
            {
              "name": "FEDORA-2020-8e9b62948e",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_20_12",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.synology.com/security/advisory/Synology_SA_20_12"
            },
            {
              "name": "USN-4374-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://usn.ubuntu.com/4374-1/"
            },
            {
              "name": "openSUSE-SU-2020:0912",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html"
            },
            {
              "name": "openSUSE-SU-2020:0913",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200702-0006/",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20200702-0006/"
            },
            {
              "name": "FreeBSD-SA-20:19",
              "refsource": "FREEBSD",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc"
            },
            {
              "name": "[debian-lts-announce] 20210212 [SECURITY] [DLA 2556-1] unbound1.9 security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-07-21T11:39Z",
      "publishedDate": "2020-05-19T14:15Z"
    }
  }
}


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