SB2022082611 - Improper validation of integrity check value in OpenZeppelin Contracts
Published: August 26, 2022
Security Bulletin ID
SB2022082611
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper validation of integrity check value (CVE-ID: CVE-2022-35961)
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 update from vendor's website.