FKIE_CVE-2022-31170
Vulnerability from fkie_nvd - Published: 2022-07-22 04:15 - Updated: 2024-11-21 07:04
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openzeppelin | contracts | * |
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"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\u0027s `abi.decode` allows some cases to revert, given a target contract that doesn\u0027t 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."
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"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"
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],
"id": "CVE-2022-31170",
"lastModified": "2024-11-21T07:04:02.930",
"metrics": {
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"published": "2022-07-22T04:15:14.547",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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