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rustsec-2025-0130
Vulnerability from osv_rustsec
Published
2025-11-24 12:00
Modified
2025-11-26 06:00
Summary
Missing check in ZK proof in CGGMP21 Threshold Signing Protocol
Details

Vulnerability concerns a missing check in the ZK proof that enables an attack in which single malicious signer can reconstruct full private key.

Patches

  • cggmp21 v0.6.3 is a patch release that contains a fix that introduces this specific missing check.
  • However, we recommend upgrading to cggmp24 v0.7.0-alpha.2 in which we've introduced many other security checks as a precaution. Follow the migration guidelines to upgrade.

References

Read our blog post to learn more.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "crypto-failure"
        ],
        "cvss": null,
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "cggmp24",
        "purl": "pkg:cargo/cggmp24"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            },
            {
              "fixed": "0.7.0-alpha.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CVE-2025-66016",
    "GHSA-m95p-425x-x889"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "Vulnerability concerns a missing check in the ZK proof that enables an attack in which single malicious signer can reconstruct full private key.\n\n### Patches\n* `cggmp21 v0.6.3` is a patch release that contains a fix that introduces this specific missing check.\n* However, we recommend upgrading to `cggmp24 v0.7.0-alpha.2` in which we\u0027ve introduced many other security checks as a precaution. Follow the [migration guidelines](https://github.com/LFDT-Lockness/cggmp21/blob/v0.7.0-alpha.2/CGGMP21_MIGRATION.md) to upgrade.\n\n### References\nRead our [blog post](https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained) to learn more.",
  "id": "RUSTSEC-2025-0130",
  "modified": "2025-11-26T06:00:45Z",
  "published": "2025-11-24T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/cggmp24"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2025-0130.html"
    },
    {
      "type": "WEB",
      "url": "https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"
    }
  ],
  "related": [],
  "severity": [],
  "summary": "Missing check in ZK proof in CGGMP21 Threshold Signing Protocol"
}



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