gsd-2016-0747
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.
Aliases
Aliases
CVE-2016-0747


To clipboard 

{
  "GSD": {
    "alias": "CVE-2016-0747",
    "description": "The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.",
    "id": "GSD-2016-0747",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-0747.html",
      "https://www.debian.org/security/2016/dsa-3473",
      "https://access.redhat.com/errata/RHSA-2016:1425",
      "https://ubuntu.com/security/CVE-2016-0747",
      "https://advisories.mageia.org/CVE-2016-0747.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2016-0747.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-0747"
      ],
      "details": "The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.",
      "id": "GSD-2016-0747",
      "modified": "2023-12-13T01:21:17.570219Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-0747",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "lang": "eng",
            "value": "The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "openSUSE-SU-2016:0371",
            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html"
          },
          {
            "name": "https://bto.bluecoat.com/security-advisory/sa115",
            "refsource": "CONFIRM",
            "url": "https://bto.bluecoat.com/security-advisory/sa115"
          },
          {
            "name": "GLSA-201606-06",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/201606-06"
          },
          {
            "name": "1034869",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1034869"
          },
          {
            "name": "[nginx] 20160126 nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747)",
            "refsource": "MLIST",
            "url": "http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html"
          },
          {
            "name": "RHSA-2016:1425",
            "refsource": "REDHAT",
            "url": "https://access.redhat.com/errata/RHSA-2016:1425"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589"
          },
          {
            "name": "DSA-3473",
            "refsource": "DEBIAN",
            "url": "http://www.debian.org/security/2016/dsa-3473"
          },
          {
            "name": "USN-2892-1",
            "refsource": "UBUNTU",
            "url": "http://www.ubuntu.com/usn/USN-2892-1"
          },
          {
            "name": "https://support.apple.com/kb/HT212818",
            "refsource": "CONFIRM",
            "url": "https://support.apple.com/kb/HT212818"
          },
          {
            "name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13",
            "refsource": "FULLDISC",
            "url": "http://seclists.org/fulldisclosure/2021/Sep/36"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.8.1",
                "versionStartIncluding": "0.6.18",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.9.10",
                "versionStartIncluding": "1.9.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "13.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-0747"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-400"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "openSUSE-SU-2016:0371",
              "refsource": "SUSE",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1302589"
            },
            {
              "name": "USN-2892-1",
              "refsource": "UBUNTU",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.ubuntu.com/usn/USN-2892-1"
            },
            {
              "name": "[nginx] 20160126 nginx security advisory (CVE-2016-0742, CVE-2016-0746, CVE-2016-0747)",
              "refsource": "MLIST",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html"
            },
            {
              "name": "DSA-3473",
              "refsource": "DEBIAN",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "http://www.debian.org/security/2016/dsa-3473"
            },
            {
              "name": "https://bto.bluecoat.com/security-advisory/sa115",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://bto.bluecoat.com/security-advisory/sa115"
            },
            {
              "name": "1034869",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1034869"
            },
            {
              "name": "GLSA-201606-06",
              "refsource": "GENTOO",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.gentoo.org/glsa/201606-06"
            },
            {
              "name": "RHSA-2016:1425",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2016:1425"
            },
            {
              "name": "https://support.apple.com/kb/HT212818",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://support.apple.com/kb/HT212818"
            },
            {
              "name": "20210921 APPLE-SA-2021-09-20-4 Xcode 13",
              "refsource": "FULLDISC",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "http://seclists.org/fulldisclosure/2021/Sep/36"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "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"
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "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:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2021-12-16T18:43Z",
      "publishedDate": "2016-02-15T19:59Z"
    }
  }
}


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