{
  "GSD": {
    "alias": "CVE-2019-6468",
    "description": "In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.",
    "id": "GSD-2019-6468",
    "references": [
      "https://www.suse.com/security/cve/CVE-2019-6468.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-6468"
      ],
      "details": "In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.",
      "id": "GSD-2019-6468",
      "modified": "2023-12-13T01:23:49.227690Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-officer@isc.org",
        "DATE_PUBLIC": "2019-04-24T23:00:00.000Z",
        "ID": "CVE-2019-6468",
        "STATE": "PUBLIC",
        "TITLE": "BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "BIND 9 Supported Preview Edition",
                    "version": {
                      "version_data": [
                        {
                          "version_name": "BIND 9",
                          "version_value": "9.10.5-S1 -\u003e 9.11.5-S5"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "ISC"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "ISC would like to thank Quad9 for reporting this issue."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.7"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "If nxdomain-redirect is enabled (via configuration) in a vulnerable BIND release, a malicious party can cause BIND to exit by deliberately triggering the bug."
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://kb.isc.org/docs/cve-2019-6468",
            "refsource": "CONFIRM",
            "url": "https://kb.isc.org/docs/cve-2019-6468"
          },
          {
            "name": "https://www.synology.com/security/advisory/Synology_SA_19_20",
            "refsource": "CONFIRM",
            "url": "https://www.synology.com/security/advisory/Synology_SA_19_20"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n+    BIND 9.11.5-S6\n+    BIND 9.11.6-S1\n\n\n\n"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "Exploitation of this defect can be effectively prevented by disabling the nxdomain-redirect feature in the nameserver\u0027s configuration."
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-officer@isc.org",
          "ID": "CVE-2019-6468"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-617"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.isc.org/docs/cve-2019-6468",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://kb.isc.org/docs/cve-2019-6468"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_19_20",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://www.synology.com/security/advisory/Synology_SA_19_20"
            }
          ]
        }
      },
      "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": "2019-12-18T18:15Z",
      "publishedDate": "2019-10-09T16:15Z"
    }
  }
}