{
  "id": "CVE-2020-7248",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-03-16T21:15:12.607",
  "lastModified": "2024-11-21T05:36:55.330",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow."
    },
    {
      "lang": "es",
      "value": "libubox en OpenWrt versiones anteriores a 18.06.7 y versiones 19.x anteriores a 19.07.1, presenta una vulnerabilidad de serializaci\u00f3n JSON de datos binarios etiquetados lo que puede causar un desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "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:openwrt:openwrt:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "18.06.0",
              "versionEndExcluding": "18.06.7",
              "matchCriteriaId": "0B0D0CC0-C0E5-4E94-AC4B-D1EF59377DB6"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "4FA469E2-9E63-4C9A-8EBA-10C8C870063A"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "390F10D5-B9F6-4FD9-BD65-8189BC3B4B6F"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "C6E0E897-9CA2-4FEB-BFFB-A0BECDB01741"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/openwrt/openwrt/commits/master",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://openwrt.org/advisory/2020-01-31-2",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://openwrt.org/advisory/2020-01-31-2",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/openwrt/openwrt/commits/master",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://openwrt.org/advisory/2020-01-31-2",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://openwrt.org/advisory/2020-01-31-2",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}