FKIE_CVE-2020-6861

Vulnerability from fkie_nvd - Published: 2020-05-06 14:15 - Updated: 2024-11-21 05:36
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.
References
cve@mitre.orghttps://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.htmlExploit, Third Party Advisory
cve@mitre.orghttps://donjon.ledger.com/lsb/008/Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.htmlExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://donjon.ledger.com/lsb/008/Exploit, Vendor Advisory
Impacted products
Vendor Product Version
ledger monero *
ledger nano_s -
ledger nano_x -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ledger:monero:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "49BDE708-84F4-4892-ADE8-3CF48CB9E73A",
              "versionEndExcluding": "1.5.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:ledger:nano_s:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E6708FE0-DBE4-406E-9223-94D04DAF1558",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:ledger:nano_x:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "37C3CB00-F516-4291-B022-6BDB0EBAA676",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC."
    },
    {
      "lang": "es",
      "value": "Un dise\u00f1o de protocolo defectuoso en la aplicaci\u00f3n Ledger Monero versiones anteriores a .5.1, para dispositivos Ledger Nano y Ledger S, permite a un atacante local extraer la clave maestra de gastos mediante el env\u00edo de mensajes dise\u00f1ados a esta aplicaci\u00f3n seleccionada en un Ledger de PIN ingresado conectado a una PC host."
    }
  ],
  "id": "CVE-2020-6861",
  "lastModified": "2024-11-21T05:36:18.813",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-05-06T14:15:11.083",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://donjon.ledger.com/lsb/008/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://donjon.ledger.com/lsb/008/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-327"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.