CVE-2022-35961

{
  "id": "CVE-2022-35961",
  "cveTags": [],
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          "id": "CVE-2022-35961",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "no"
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              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-04-23T15:50:53.166445Z"
        }
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          "baseScore": 7.9,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.3
      },
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
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  "affected": [
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      "affectedData": [
        {
          "vendor": "OpenZeppelin",
          "product": "openzeppelin-contracts",
          "versions": [
            {
              "status": "affected",
              "version": ">= 4.1.0, < 4.7.3"
            }
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  "published": "2022-08-15T11:21:39.937",
  "references": [
    {
      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3610",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
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    {
      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.7.3",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "security-advisories@github.com"
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    {
      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4h98-2769-gh6h",
      "tags": [
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      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3610",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-354"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenZeppelin Contracts is a library for secure smart contract development. The functions `ECDSA.recover` and `ECDSA.tryRecover` are vulnerable to a kind of signature malleability due to accepting EIP-2098 compact signatures in addition to the traditional 65 byte signature format. This is only an issue for the functions that take a single `bytes` argument, and not the functions that take `r, v, s` or `r, vs` as separate arguments. The potentially affected contracts are those that implement signature reuse or replay protection by marking the signature itself as used rather than the signed message or a nonce included in it. A user may take a signature that has already been submitted, submit it again in a different form, and bypass this protection. The issue has been patched in 4.7.3."
    },
    {
      "lang": "es",
      "value": "OpenZeppelin Contracts es una biblioteca para el desarrollo de contratos inteligentes seguros. Las funciones \"ECDSA.recover\" y \"ECDSA.tryRecover\" son vulnerables a un tipo de maleabilidad de la firma debido a que aceptan firmas compactas EIP-2098 además del formato de firma tradicional de 65 bytes. Esto sólo es un problema para las funciones que toman un único argumento \"bytes\", y no las funciones que toman \"r, v, s\" o \"r, vs\" como argumentos separados. Los contratos potencialmente afectados son los que implementan el reúso de la firma o la protección contra repeticiones al marcar la propia firma como usada en lugar del mensaje firmado o un nonce incluido en él. Un usuario puede tomar una firma que ya ha sido enviada, enviarla de nuevo en una forma diferente, y omitir esta protección. El problema ha sido parcheado en versión 4.7.3."
    }
  ],
  "lastModified": "2026-06-17T04:52:36.397",
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