fkie_nvd - fkie_cve-2022-50237

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

▼	URL	Tags
	cve@mitre.org	https://crates.io/crates/ed25519-dalek
	cve@mitre.org	https://github.com/MystenLabs/ed25519-unsafe-libs
	cve@mitre.org	https://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"
    }
  ]
}

CVE-2022-50237 (GCVE-0-2022-50237)

Vulnerability from cvelistv5

Published

2025-07-28 00:00

Modified

2025-07-28 13:56

Severity ?

5.9 (Medium) - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

CWE

CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

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

▼	URL	Tags
	https://rustsec.org/advisories/RUSTSEC-2022-0093.html
	https://github.com/MystenLabs/ed25519-unsafe-libs
	https://crates.io/crates/ed25519-dalek

Impacted products

	Vendor	Product	Version
	dalek-cryptography	ed25519-dalek	Version: 0 < 2

Show details on NVD website

To clipboard

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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2022-50237",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-28T13:56:03.251889Z",
                "version": "2.0.3"
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        },
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      }
    ],
    "cna": {
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          "product": "ed25519-dalek",
          "vendor": "dalek-cryptography",
          "versions": [
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      ],
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          }
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  "cveMetadata": {
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    "datePublished": "2025-07-28T00:00:00.000Z",
    "dateReserved": "2025-07-28T00:00:00.000Z",
    "dateUpdated": "2025-07-28T13:56:12.178Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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