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CVE-2012-5456

Estado: ModificadaMedia (4.3)—

The Zoner AntiVirus Free application for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, as demonstrated by a server used for updating virus signature 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 (1)

Zoner — Zoner Antivirus Free

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2012-5456",
  "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:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-10-24T17:55:02.563",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/56292",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www2.dcsec.uni-hannover.de/files/android/p50-fahl.pdf",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79591",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/56292",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www2.dcsec.uni-hannover.de/files/android/p50-fahl.pdf",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79591",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Zoner AntiVirus Free application for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, as demonstrated by a server used for updating virus signature files."
    },
    {
      "lang": "es",
      "value": "La aplicacion Zoner AntiVirus Free para Android no verifica que el nombre del servidos coincide con el nombre de dominio en el campo Common Name (CN) de un certificado X.509, lo que permite atacantes \"man-in-the-middle\" a espíar servidores a través de un certificado válido como se demostró mediante un servidor usado para actualizar el fichero de firmas del antivirus."
    }
  ],
  "lastModified": "2026-06-16T23:46:49.690",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zoner:zoner_antivirus_free:-:-:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8801D323-B9BD-4DC4-9B9F-A72F74DADB64"
            },
            {
              "criteria": "cpe:2.3:a:zoner:zoner_antivirus_free:1.7.0:-:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02B9D2DC-A471-4906-BC7A-57BA0FAA825F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}