29328 - [SC - Insight] zkSync ACLManager EOA as EMERGENCY_ADMIN

Submitted on Mar 14th 2024 at 03:29:05 UTC by @mhmd_alfa for Boost | ZeroLend

Report ID: #29328

Report type: Smart Contract

Report severity: Insight

Target: https://explorer.zksync.io/address/0x9A60cce3da06d246b492931d2943A8F574e67389

Impacts:

• Griefing (e.g. no profit motive for an attacker, but damage to the users or the protocol)

• Temporary freezing of funds for at least 1 hour

Description

Brief/Intro

An EOA 0x0f6e98a756a40dd050dc78959f45559f98d3289d has EMERGENCY_ADMIN role. Leaked private key could lead to griefing and/or malicious halt of the protocol assets.

Proof of Concept

1. go to https://explorer.zksync.io/address/0x9A60cce3da06d246b492931d2943A8F574e67389#contract

2. get EMERGENCY_ADMIN_ROLE = 0x5c91514091af31f62f596a314af7d5be40146b2f2355969392f055e12e0982fb

3. inspect hasRole(0x5c91514091af31f62f596a314af7d5be40146b2f2355969392f055e12e0982fb,0x0f6e98a756a40dd050dc78959f45559f98d3289d) --> true