Vulnerability-Lookup

GHSA-G693-V3JR-8HCR

Vulnerability from github – Published: 2025-07-28 03:31 – Updated: 2025-07-28 15:53

Withdrawn 2025-07-28

Summary

Duplicate Advisory: `ed25519-dalek` Double Public Key Signing Function Oracle Attack

Details

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-w5vr-6qhr-36cc. This link is maintained to preserve external references.

Original Description

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.

Severity

5.9 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "ed25519-dalek"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-497"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-07-28T15:53:19Z",
    "nvd_published_at": "2025-07-28T02:15:24Z",
    "severity": "MODERATE"
  },
  "details": "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-w5vr-6qhr-36cc. This link is maintained to preserve external references.\n\n### Original Description\nThe 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.",
  "id": "GHSA-g693-v3jr-8hcr",
  "modified": "2025-07-28T15:53:19Z",
  "published": "2025-07-28T03:31:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50237"
    },
    {
      "type": "WEB",
      "url": "https://crates.io/crates/ed25519-dalek"
    },
    {
      "type": "WEB",
      "url": "https://github.com/MystenLabs/ed25519-unsafe-libs"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2022-0093.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Duplicate Advisory: `ed25519-dalek` Double Public Key Signing Function Oracle Attack",
  "withdrawn": "2025-07-28T15:53:19Z"
}

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

Vulnerability from cvelistv5 – Published: 2025-07-28 00:00 – Updated: 2025-07-28 13:56

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.

Severity

5.9 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-28 13:56 UTC

CWE

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

Assigner

mitre mitre root

References

3 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

1 product

Vendor	Product	Version
dalek-cryptography	ed25519-dalek	Affected: 0 , < 2 (custom)

Show details on NVD website

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        "metrics": [
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            "other": {
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                "id": "CVE-2022-50237",
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-28T13:56:03.251889Z",
                "version": "2.0.3"
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  "cveMetadata": {
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.