GHSA-XQ4H-WQM2-668W

Vulnerability from github – Published: 2025-11-24 23:34 – Updated: 2025-11-27 08:42
VLAI
Summary
Babylon's BIP322 signature implementation is not fully compliant to the spec
Details

Summary

The BIP-322 signature verification does not enforce the SIGHASH value to be SIGHASH_ALL, and therefore is not strictly following the spec.

Impact

Non-compliant BIP-322 signatures in proof of possessions can be accepted by the chain.

Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/babylonlabs-io/babylon/v4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-24T23:34:18Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "### Summary\n\nThe BIP-322 signature verification does not enforce the SIGHASH value to be SIGHASH_ALL, and therefore is not strictly following the [spec](https://bips.dev/322/).\n\n### Impact\n\nNon-compliant BIP-322 signatures in proof of possessions can be accepted by the chain.",
  "id": "GHSA-xq4h-wqm2-668w",
  "modified": "2025-11-27T08:42:15Z",
  "published": "2025-11-24T23:34:18Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/babylonlabs-io/babylon/security/advisories/GHSA-xq4h-wqm2-668w"
    },
    {
      "type": "WEB",
      "url": "https://github.com/babylonlabs-io/babylon/commit/6e8bdd328a47343fcd7ad98d1b0c7267860b019a"
    },
    {
      "type": "WEB",
      "url": "https://bips.dev/322"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/babylonlabs-io/babylon"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Babylon\u0027s BIP322 signature implementation is not fully compliant to the spec"
}



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