{
  "id": "CVE-2020-24339",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-11T23:15:14.043",
  "lastModified": "2024-11-21T05:14:37.310",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The DNS domain name record decompression functionality in pico_dns_decompress_name() in pico_dns_common.c does not validate the compression pointer offset values with respect to the actual data present in a DNS response packet, causing out-of-bounds reads that lead to Denial-of-Service."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en picoTCP y picoTCP-NG versiones hasta 1.7.0. La funcionalidad de descompresi\u00f3n de registros de nombres de dominio DNS en la funci\u00f3n pico_dns_decompress_name() en el archivo en pico_dns_common.c no comprueba los valores de desplazamiento del puntero de compresi\u00f3n con respecto a los datos reales presentes en un paquete de respuesta DNS, causando lecturas fuera de l\u00edmites que conducen a 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: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-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.7.0",
              "matchCriteriaId": "BEB4123E-EE54-4991-9011-42FD1FC83662"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:altran:picotcp-ng:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.7.0",
              "matchCriteriaId": "40699721-5367-45CB-880E-B7E0F3C15BF3"
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  ],
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.kb.cert.org/vuls/id/815128",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
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    {
      "url": "https://www.kb.cert.org/vuls/id/815128",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
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}