SB2023030312 - Denial of service in OpenZeppelin Contracts Upgradeable



SB2023030312 - Denial of service in OpenZeppelin Contracts Upgradeable

Published: March 3, 2023

Security Bulletin ID SB2023030312
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2023-26488)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when the ERC721Consecutive contract does not update balances when a batch has size 1 and consists of a single token. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.