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CVE-2020-3810

Estado: ModificadaMedia (5.5)—

Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.

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 (4)

Canonical — Ubuntu LinuxDebian — APTDebian — Debian LinuxFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-3810",
  "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:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "Debian",
          "product": "apt",
          "versions": [
            {
              "status": "affected",
              "version": "before 2.1.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-05-15T14:15:11.887",
  "references": [
    {
      "url": "https://bugs.launchpad.net/bugs/1878177",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://github.com/Debian/apt/issues/111",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://lists.debian.org/debian-security-announce/2020/msg00089.html",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/",
      "source": "security@debian.org"
    },
    {
      "url": "https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://usn.ubuntu.com/4359-1/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "https://usn.ubuntu.com/4359-2/",
      "tags": [
        "Third Party Advisory"
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      "source": "security@debian.org"
    },
    {
      "url": "https://bugs.launchpad.net/bugs/1878177",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Debian/apt/issues/111",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-security-announce/2020/msg00089.html",
      "tags": [
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4PEH357MZM2SUGKETMEHMSGQS652QHH/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://usn.ubuntu.com/4359-1/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://usn.ubuntu.com/4359-2/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files."
    },
    {
      "lang": "es",
      "value": "Una falta de comprobación de entrada en las implementaciones de ar/tar de APT versiones anteriores a 2.1.2, podría resultar en una denegación de servicio al procesar archivos deb especialmente diseñados"
    }
  ],
  "lastModified": "2026-06-17T03:19:05.420",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "56E3943E-AA71-4AA6-BA3E-6C153E4572B9",
              "versionEndExcluding": "2.1.2"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CB66DB75-2B16-4EBF-9B93-CE49D8086E41"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"
            },
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              "vulnerable": true,
              "matchCriteriaId": "7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"
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              "vulnerable": true,
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            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB"
            }
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  ],
  "sourceIdentifier": "security@debian.org"
}