fkie_cve-2022-50237
Vulnerability from fkie_nvd
Published
2025-07-28 02:15
Modified
2025-07-29 14:14
Severity ?
5.9 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Summary
The ed25519-dalek crate before 2 for Rust allows a double public key signing function oracle attack. The Keypair implementation leads to a simple computation for extracting a private key.
References
cve@mitre.orghttps://crates.io/crates/ed25519-dalek
cve@mitre.orghttps://github.com/MystenLabs/ed25519-unsafe-libs
cve@mitre.orghttps://rustsec.org/advisories/RUSTSEC-2022-0093.html
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ed25519-dalek crate before 2 for Rust allows a double public key signing function oracle attack. The Keypair implementation leads to a simple computation for extracting a private key."
    },
    {
      "lang": "es",
      "value": "El paquete ed25519-dalek para Rust  anterior a la versi\u00f3n 2 permite un ataque de or\u00e1culo con doble firma de clave p\u00fablica. La implementaci\u00f3n de Keypair permite un c\u00e1lculo simple para extraer una clave privada."
    }
  ],
  "id": "CVE-2022-50237",
  "lastModified": "2025-07-29T14:14:29.590",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.4,
        "impactScore": 4.0,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-07-28T02:15:24.540",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://crates.io/crates/ed25519-dalek"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/MystenLabs/ed25519-unsafe-libs"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://rustsec.org/advisories/RUSTSEC-2022-0093.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-497"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Primary"
    }
  ]
}


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