Vulnerability · Published Mar 3, 2023 · Assigned by GitHub_M
CVE-2023-26488OpenZeppelin Contracts contains Incorrect Calculation
Medium 6.5
In plain English
A medium-severity security flaw in openzeppelin-contracts from OpenZeppelin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @openzeppelin/contracts | 4.8.2 | GHSA-878m-3g6q-594q |
| npm | @openzeppelin/contracts-upgradeable | 4.8.2 | GHSA-878m-3g6q-594q |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenZeppelin | openzeppelin-contracts | >= 4.8.0, < 4.8.2 |
Weakness: CWE-682 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
References
- https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q x_refsource_CONFIRM
- https://github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705 x_refsource_MISC
- https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2 x_refsource_MISC