GSD-2022-31172

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to 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-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1.
Aliases
Aliases
CVE-2022-31172
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{
  "GSD": {
    "alias": "CVE-2022-31172",
    "description": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that doesn\u0027t implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1.",
    "id": "GSD-2022-31172"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-31172"
      ],
      "details": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that doesn\u0027t implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1.",
      "id": "GSD-2022-31172",
      "modified": "2023-12-13T01:19:17.767549Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-31172",
        "STATE": "PUBLIC",
        "TITLE": "OpenZeppelin Contracts\u0027s SignatureChecker may revert on invalid EIP-1271 signers"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "openzeppelin-contracts",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003e= 4.1.0, \u003c 4.7.1"
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            "value": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that doesn\u0027t implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-20: Improper Input Validation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4g63-c64m-25w9",
            "refsource": "CONFIRM",
            "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4g63-c64m-25w9"
          },
          {
            "name": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3552",
            "refsource": "MISC",
            "url": "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3552"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-4g63-c64m-25w9",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=4.1.0 \u003c4.7.1",
          "affected_versions": "All versions starting from 4.1.0 before 4.7.1",
          "cwe_ids": [
            "CWE-1035",
            "CWE-20",
            "CWE-937"
          ],
          "date": "2022-07-21",
          "description": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 is vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that does not implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1.",
          "fixed_versions": [
            "4.7.1"
          ],
          "identifier": "CVE-2022-31172",
          "identifiers": [
            "GHSA-4g63-c64m-25w9",
            "CVE-2022-31172"
          ],
          "not_impacted": "All versions before 4.1.0, all versions starting from 4.7.1",
          "package_slug": "npm/@openzeppelin/contracts-upgradeable",
          "pubdate": "2022-07-21",
          "solution": "Upgrade to version 4.7.1 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4g63-c64m-25w9",
            "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3552",
            "https://github.com/advisories/GHSA-4g63-c64m-25w9"
          ],
          "uuid": "7703198c-6c0d-45ce-9553-4e14055a3858"
        },
        {
          "affected_range": "\u003e=4.1.0 \u003c4.7.1",
          "affected_versions": "All versions starting from 4.1.0 before 4.7.1",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-347",
            "CWE-937"
          ],
          "date": "2022-08-01",
          "description": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 is vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that does not implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1.",
          "fixed_versions": [
            "4.7.1"
          ],
          "identifier": "CVE-2022-31172",
          "identifiers": [
            "CVE-2022-31172",
            "GHSA-4g63-c64m-25w9"
          ],
          "not_impacted": "All versions before 4.1.0, all versions starting from 4.7.1",
          "package_slug": "npm/@openzeppelin/contracts",
          "pubdate": "2022-07-22",
          "solution": "Upgrade to version 4.7.1 or above.",
          "title": "Improper Input Validation",
          "urls": [
            "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4g63-c64m-25w9",
            "https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3552",
            "https://github.com/advisories/GHSA-4g63-c64m-25w9"
          ],
          "uuid": "e4009dd7-e244-46ee-8fc2-eaeaa81184e2"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:openzeppelin:contracts:*:*:*:*:*:node.js:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.7.1",
                "versionStartIncluding": "4.1.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
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          "ID": "CVE-2022-31172"
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        "description": {
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              "value": "OpenZeppelin Contracts is a library for smart contract development. Versions 4.1.0 until 4.7.1 are vulnerable to the SignatureChecker reverting. `SignatureChecker.isValidSignatureNow` is not expected to revert. However, an incorrect assumption about Solidity 0.8\u0027s `abi.decode` allows some cases to revert, given a target contract that doesn\u0027t implement EIP-1271 as expected. The contracts that may be affected are those that use `SignatureChecker` to check the validity of a signature and handle invalid signatures in a way other than reverting. The issue was patched in version 4.7.1."
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              "name": "https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-4g63-c64m-25w9",
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      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-08-01T15:56Z",
      "publishedDate": "2022-07-22T04:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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