{
  "id": "CVE-2022-31170",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2022-07-22T04:15:14.547",
  "lastModified": "2022-08-01T15:50:20.807",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.0.0 until 4.7.1 are vulnerable to ERC165Checker reverting instead of returning `false`. `ERC165Checker.supportsInterface` is designed to always successfully return a boolean, and under no circumstance revert. However, an incorrect assumption about Solidity 0.8's `abi.decode` allows some cases to revert, given a target contract that doesn't implement EIP-165 as expected, specifically if it returns a value other than 0 or 1. The contracts that may be affected are those that use `ERC165Checker` to check for support for an interface and then handle the lack of support in a way other than reverting. The issue was patched in version 4.7.1."
    },
    {
      "lang": "es",
      "value": "OpenZeppelin Contracts es una biblioteca para el desarrollo de contratos inteligentes. Las versiones 4.0.0 hasta 4.7.1, son vulnerables a una reversi\u00f3n de ERC165Checker en lugar de devolver \"false\". ERC165Checker.supportsInterface est\u00e1 dise\u00f1ado para devolver siempre un booleano con \u00e9xito, y bajo ninguna circunstancia revertir. Sin embargo, una suposici\u00f3n incorrecta sobre \"abi.decode\" de Solidity versi\u00f3n 0.8 permite que algunos casos sean revertidos, dado un contrato de destino que no implementa EIP-165 como es esperado, espec\u00edficamente si devuelve un valor distinto de 0 o 1. Los contratos que pueden verse afectados son los que usan \"ERC165Checker\" para comprobar el soporte de una interfaz y luego manejar la falta de soporte de una manera distinta a la reversi\u00f3n. El problema fue parcheado en versi\u00f3n 4.7.1"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
      {
        "source": "security-advisories@github.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-252"
        }
      ]
    },
    {
      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "4.0.0",
              "versionEndExcluding": "4.7.1",
              "matchCriteriaId": "37EC35C6-64E1-4FA6-BFEC-F476BA5BAD51"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3552",
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-qh9x-gcfh-pcrw",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}