OpenZeppelin Contracts contains Incorrect Calculation
CVE-2023-26488

6.5MEDIUM

Key Information:

Vendor

Openzeppelin

Status
Openzeppelin-contracts
Vendor
CVE Published:
3 March 2023

What is CVE-2023-26488?

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the balance as reported by balanceOf. The issue exclusively presents with batches of size 1. The issue has been patched in 4.8.2.

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Affected Version(s)

openzeppelin-contracts >= 4.8.0, < 4.8.2

References

https://github.com/OpenZeppelin/openzeppelin-contracts/se...
x_refsource_CONFIRM
https://github.com/OpenZeppelin/openzeppelin-contracts/co...
x_refsource_MISC
https://github.com/OpenZeppelin/openzeppelin-contracts/re...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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