{
  "id": "CVE-2018-1156",
  "sourceIdentifier": "vulnreport@tenable.com",
  "published": "2018-08-23T19:29:00.347",
  "lastModified": "2020-08-24T17:37:01.140",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system."
    },
    {
      "lang": "es",
      "value": "Mikrotik RouterOS en versiones anteriores a la 6.42.7 y 6.40.9 es vulnerable a un desbordamiento de b\u00fafer basado en pila a trav\u00e9s de la interfaz de actualizaci\u00f3n de la licencia. Esta vulnerabilidad podr\u00eda permitir, en teor\u00eda, que un atacante autenticado remoto ejecute c\u00f3digo arbitrario en el sistema."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.0
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 8.0,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:mikrotik:routeros:*:*:*:*:ltr:*:*:*",
              "versionEndExcluding": "6.40.9",
              "matchCriteriaId": "61E0FC57-8604-4BA5-BF68-A46946C3B14E"
            },
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              "versionEndExcluding": "6.42.7",
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  ],
  "references": [
    {
      "url": "https://mikrotik.com/download/changelogs",
      "source": "vulnreport@tenable.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://mikrotik.com/download/changelogs/bugfix-release-tree",
      "source": "vulnreport@tenable.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.tenable.com/security/research/tra-2018-21",
      "source": "vulnreport@tenable.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}