{
  "id": "CVE-2018-18508",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2020-10-22T21:15:12.467",
  "lastModified": "2021-02-18T15:20:57.460",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service."
    },
    {
      "lang": "es",
      "value": "En Network Security Services (NSS) versiones anteriores a 3.36.7 y versiones anteriores a 3.41.1, una firma malformada puede causar un bloqueo debido a una desreferencia de null, resultando en una Denegaci\u00f3n de Servicio"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "3.36.7",
              "matchCriteriaId": "B93092E8-AB81-499E-A4DC-327E6D587CA5"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.41",
              "versionEndExcluding": "3.41.1",
              "matchCriteriaId": "62F5DA72-5D31-47E7-9BC8-5CCADC75C3F1"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_mx5000_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "1B09C415-21F2-49C9-BFAE-2151C8ED4D06"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_mx5000:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DAD1B18F-9C37-48CC-92E2-9C5E66B206CB"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1400_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "F196C09E-4C45-42D5-B509-7EB77F6566F1"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1400:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "12BD4008-DB6A-4749-A426-D2DE44819A9D"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1500_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "13D72F66-A1B2-4FB7-B31B-EF16955BC871"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1500:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E79B422-C844-411C-AA49-CFD73D3C6E2D"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1501_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "CB658DF3-A68F-4248-B240-9194E17941E1"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1501:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "53AAEC5C-06EE-4C58-A981-EBF5860CEF16"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1510_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "E16E621D-84DB-4F0D-A771-5E282B0292B2"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1510:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0751225A-6E9C-4281-93A4-A048920FF7C6"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1511_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "059624DD-C1C8-408C-8026-D4FBC93C3CF9"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1511:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8C1E56ED-1E61-4B7E-8EC0-BB2AAD57EF7B"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx1512_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "06AF9201-89AB-42E6-97CF-9EDDC17EF7AE"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx1512:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "41ADD701-AD49-46B2-A12E-219CCED32298"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:ruggedcom_rox_rx5000_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.14.0",
              "matchCriteriaId": "2656219C-7E23-47F7-AFB7-0D6D3D2ACA85"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:ruggedcom_rox_rx5000:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1E0E33F2-E89B-4008-BED2-CF2296801078"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf",
      "source": "security@mozilla.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes",
      "source": "security@mozilla.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes",
      "source": "security@mozilla.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04",
      "source": "security@mozilla.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    }
  ]
}