Force Expiration Of Ethereum Name Service (ENS)

2023-08-0302:09:23

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

ens

contract

integer overflow

vulnerability

expiration time

reduction

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

29.4%

JSON

@ensdomains/ens-contracts is vulnerable to Force Expiration Of Ethereum Name Service (ENS). The vulnerability exists due to the integer overflow in the renew function of BaseRegistrarImplementation.sol, which allows an attacker to reduce the expiration time of existing domains.