FKIE_CVE-2020-8437

Vulnerability from fkie_nvd - Published: 2020-03-02 19:15 - Updated: 2024-11-21 05:38
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.
References
cve@mitre.orghttps://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.htmlExploit, Third Party Advisory
cve@mitre.orghttps://forum.utorrent.com/forum/13-announcements/Vendor Advisory
cve@mitre.orghttps://twitter.com/va_startThird Party Advisory
cve@mitre.orghttps://utclient.utorrent.com/offers/beta_release_notes/release_notes.htmlRelease Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.htmlExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://forum.utorrent.com/forum/13-announcements/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/va_startThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://utclient.utorrent.com/offers/beta_release_notes/release_notes.htmlRelease Notes, Vendor Advisory
Impacted products
Vendor Product Version
bittorrent utorrent *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bittorrent:utorrent:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C7FB44E3-1CD5-4A64-9818-B287F6CE9C60",
              "versionEndIncluding": "3.5.5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service."
    },
    {
      "lang": "es",
      "value": "El analizador de bencoding en BitTorrent uTorrent versiones hasta 3.5.5 (build 45505) analiza inapropiadamente los diccionarios bencoded anidados lo que permite a un atacante remoto causar una denegaci\u00f3n de servicio."
    }
  ],
  "id": "CVE-2020-8437",
  "lastModified": "2024-11-21T05:38:51.123",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "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": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-03-02T19:15:12.757",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://forum.utorrent.com/forum/13-announcements/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://twitter.com/va_start"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://forum.utorrent.com/forum/13-announcements/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://twitter.com/va_start"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.