Denial of service in OpenZeppelin Contracts Upgradeable



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-26488
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 OpenZeppelin Contracts Upgradeable
Universal components / Libraries / Libraries used by multiple products

Vendor OpenZeppelin

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU72735

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26488

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

OpenZeppelin Contracts Upgradeable: 4.8.0 - 4.8.1

CPE2.3 External links

https:
https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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