{
  "id": "CVE-2016-1252",
  "sourceIdentifier": "security@debian.org",
  "published": "2017-12-05T16:29:00.203",
  "lastModified": "2020-08-14T15:26:29.877",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The apt package in Debian jessie before 1.0.9.8.4, in Debian unstable before 1.4~beta2, in Ubuntu 14.04 LTS before 1.0.1ubuntu2.17, in Ubuntu 16.04 LTS before 1.2.15ubuntu0.2, and in Ubuntu 16.10 before 1.3.2ubuntu0.1 allows man-in-the-middle attackers to bypass a repository-signing protection mechanism by leveraging improper error handling when validating InRelease file signatures."
    },
    {
      "lang": "es",
      "value": "El paquete apt, en Debian jessie en versiones anteriores a la 1.0.9.8.4; Debian inestable en versiones anteriores a la 1.4~beta2; Ubuntu 14.04 LTS en versiones anteriores a la 1.0.1ubuntu2.17; Ubuntu 16.04 LTS en versiones anteriores a la 1.2.15ubuntu0.2 y en Ubuntu 16.10 en versiones anteriores a la 1.3.2ubuntu0.1, permite que atacantes Man-in-the-Middle (MitM) eludan un mecanismo de protecci\u00f3n de firma de repositorios aprovechando la manipulaci\u00f3n indebida de errores al validar las firmas de archivos InRelease."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "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-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.0.9.8.4",
              "matchCriteriaId": "8ACF9D91-F607-4A94-936D-F840D44486FC"
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        },
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    {
      "operator": "AND",
      "nodes": [
        {
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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
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  ],
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/140145/apt-Repository-Signing-Bypass.html",
      "source": "security@debian.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-3156-1",
      "source": "security@debian.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1020",
      "source": "security@debian.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1647467",
      "source": "security@debian.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.debian.org/security/2016/dsa-3733",
      "source": "security@debian.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.exploit-db.com/exploits/40916/",
      "source": "security@debian.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ]
    }
  ]
}