#VU66783 Resource exhaustion in OpenZeppelin Contracts - CVE-2022-35915

Vulnerability identifier: #VU66783

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-35915

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenZeppelin Contracts
Universal components / Libraries / Libraries used by multiple products

Vendor: OpenZeppelin

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources in an EIP-165 "supportsInterface" query. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OpenZeppelin Contracts: 2.0.0 - 4.7.1

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External links
https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3587
https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-7grf-83vw-6f5x

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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.