OpenZeppelin up to 4.7.0 SignatureChecker.isValidSignatureNow input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenZeppelin up to 4.7.0. It has been classified as problematic. Affected by this vulnerability is the function SignatureChecker.isValidSignatureNow. This manipulation causes input validation. This vulnerability appears as CVE-2022-31172. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in OpenZeppelin up to 4.7.0 and classified as problematic. Affected by this vulnerability is the function SignatureChecker.isValidSignatureNow. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity. The summary by CVE is:

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.

The weakness was presented 07/22/2022 as GHSA-4g63-c64m-25w9. The advisory is shared at github.com. This vulnerability is known as CVE-2022-31172 since 05/18/2022. Technical details are known, but no exploit is available.

Upgrading to version 4.7.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenZeppelin 4.7.1
Patch: github.com

Timelineinfo

05/18/2022 🔍
07/22/2022 +65 days 🔍
07/22/2022 +0 days 🔍
08/20/2022 +29 days 🔍

Sourcesinfo

Advisory: GHSA-4g63-c64m-25w9
Status: Confirmed

CVE: CVE-2022-31172 (🔍)
GCVE (CVE): GCVE-0-2022-31172
GCVE (VulDB): GCVE-100-204853

Entryinfo

Created: 07/22/2022 09:04
Updated: 08/20/2022 08:00
Changes: 07/22/2022 09:04 (40), 08/20/2022 08:00 (12)
Complete: 🔍
Cache ID: 216::103

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