CVE-2020-35962 Information

Description

The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC) an Ethereum token lacks access control for fee swapping and thus allows price manipulation.

CVSS Vector

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

Reference

https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171 https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5