CVSS 3.1 Score 6.5 of 10 (medium)


Published Aug 4, 2023
Updated: Aug 10, 2023
CWE ID 190


CVE-2023-38698 is a vulnerability in the Ethereum Name Service (ENS) that affects the `@ensdomains/ens-contracts` prior to version 0.0.22. It is possible for an attacker-controlled controller to exploit an integer overflow in the renew function, allowing them to reduce the expiration time of existing domains and potentially claim them for themselves. Currently, this vulnerability would require a malicious DAO to exploit it, but any vulnerability in the controllers could make it exploitable in the future. The National Vulnerability Database (NVD) rates this vulnerability as medium severity with a base score of 6.5 out of 10 and highlights the high impact on integrity.

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