FKIE_CVE-2020-8133

Vulnerability from fkie_nvd - Published: 2020-11-09 15:15 - Updated: 2024-11-21 05:38
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.
References
support@hackerone.comhttps://hackerone.com/reports/661051%2C
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=NC-SA-2020-038Broken Link
nvd@nist.govhttps://hackerone.com/reports/661051Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/661051%2C
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=NC-SA-2020-038Broken Link
Impacted products
Vendor Product Version
nextcloud nextcloud_server 19.0.1
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:19.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "4DAAC0B9-52B0-43A0-A7D1-C37C688B0B4E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file."
    },
    {
      "lang": "es",
      "value": "Una generaci\u00f3n inapropiada de la frase de contrase\u00f1a para el bloque cifrado en Nextcloud Server versi\u00f3n 19.0.1 permiti\u00f3 a un atacante sobrescribir bloques en un archivo"
    }
  ],
  "id": "CVE-2020-8133",
  "lastModified": "2024-11-21T05:38:21.470",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-11-09T15:15:13.367",
  "references": [
    {
      "source": "support@hackerone.com",
      "url": "https://hackerone.com/reports/661051%2C"
    },
    {
      "source": "support@hackerone.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-038"
    },
    {
      "source": "nvd@nist.gov",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/661051"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://hackerone.com/reports/661051%2C"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-038"
    }
  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-657"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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