Improper validation of integrity check value in OpenZeppelin Contracts - CVE-2022-35961

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Main Vulnerability Database Vulnerabilities #VU66780

Improper validation of integrity check value in OpenZeppelin Contracts - CVE-2022-35961

Published: August 26, 2022


Vulnerability identifier: #VU66780
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-35961
CWE-ID: CWE-354
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenZeppelin Contracts
Software vendor:
OpenZeppelin

Description

The vulnerability allows a remote attacker to bypass integrity checks.

The vulnerability exists due to improper validation of integrity check value in the "ECDSA.recover" and "ECDSA.tryRecover" functions. A remote user can take a signature that has already been submitted, submit it again in a different form and bypass this protection.


Remediation

Install updates from vendor's website.

External links