FKIE_CVE-2020-9399

Vulnerability from fkie_nvd - Published: 2020-02-28 14:15 - Updated: 2024-11-21 05:40
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Summary
The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux.
References
cve@mitre.orghttps://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.htmlThird Party Advisory
cve@mitre.orghttps://seclists.org/fulldisclosure/2020/Feb/35Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/fulldisclosure/2020/Feb/35Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
avast antivirus_for_linux *
avast antivirus_pro *
avast antivirus_pro_plus *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:avast:antivirus_for_linux:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2D67C721-9B5B-4753-A76D-1206D222B5C7",
              "versionEndExcluding": "12.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avast:antivirus_pro:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C89FC3E4-F88F-4537-96E1-EF5F0C72B289",
              "versionEndExcluding": "12.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:avast:antivirus_pro_plus:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "404A3BDE-494C-4F0A-B267-777CD16D18B7",
              "versionEndExcluding": "12.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Avast AV parsing engine allows virus-detection bypass via a crafted ZIP archive. This affects versions before 12 definitions 200114-0 of Antivirus Pro, Antivirus Pro Plus, and Antivirus for Linux."
    },
    {
      "lang": "es",
      "value": "El motor de an\u00e1lisis de Avast AV permite la detecci\u00f3n de virus por medio de un archivo ZIP dise\u00f1ado. Esto afecta a las versiones anteriores a 12 definiciones de 200114-0 de Antivirus Pro, Antivirus Pro Plus y Antivirus para Linux."
    }
  ],
  "id": "CVE-2020-9399",
  "lastModified": "2024-11-21T05:40:33.810",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-02-28T14:15:10.263",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/fulldisclosure/2020/Feb/35"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://blog.zoller.lu/p/tzo-23-2020-avast-generic-archive.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/fulldisclosure/2020/Feb/35"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-436"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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