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CVE-2019-1010220

Estado: ModificadaBaja (3.3)—

tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: "ND_PRINT((ndo, "%s", buf));", in function named "print_prefix", in "print-hncp.c". The attack vector is: The victim must open a specially crafted pcap file.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Tcpdump — Tcpdump

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-1010220",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 3.3,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "josh@bress.net",
      "affectedData": [
        {
          "vendor": "tcpdump.org",
          "product": "tcpdump",
          "versions": [
            {
              "status": "affected",
              "version": "4.9.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-22T18:15:11.027",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00065.html",
      "source": "josh@bress.net"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html",
      "source": "josh@bress.net"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html",
      "source": "josh@bress.net"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "josh@bress.net"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "josh@bress.net"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "josh@bress.net"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/",
      "source": "josh@bress.net"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/",
      "source": "josh@bress.net"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/",
      "source": "josh@bress.net"
    },
    {
      "url": "https://usn.ubuntu.com/4252-1/",
      "source": "josh@bress.net"
    },
    {
      "url": "https://usn.ubuntu.com/4252-2/",
      "source": "josh@bress.net"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00065.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00050.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00053.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.c",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://usn.ubuntu.com/4252-1/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://usn.ubuntu.com/4252-2/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "josh@bress.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "tcpdump.org tcpdump 4.9.2 is affected by: CWE-126: Buffer Over-read. The impact is: May expose Saved Frame Pointer, Return Address etc. on stack. The component is: line 234: \"ND_PRINT((ndo, \"%s\", buf));\", in function named \"print_prefix\", in \"print-hncp.c\". The attack vector is: The victim must open a specially crafted pcap file."
    },
    {
      "lang": "es",
      "value": "tcpdump de tcpdump.org versión 4.9.2 está afectado por: CWE-126: Sobrecarga del Búfer. El impacto es: puede exponer el Puntero Frame Guardado, la Dirección de Retorno, etc. en la pila. El componente es: línea 234: \"ND_PRINT((ndo,\"% s\",buf));\", en la función llamada \"print_prefix\", en el archivo \"print-hncp.c\". El vector de ataque es: La víctima necesita abrir un archivo pcap especialmente diseñado."
    }
  ],
  "lastModified": "2026-06-17T02:09:52.737",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tcpdump:tcpdump:4.9.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E9FBA366-800E-4163-8E22-A652750C4F28"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "josh@bress.net"
}