Decent - kodyvim's results

Decent enables one-click transactions using any token across chains.

General Information

Platform: Code4rena

Start Date: 19/01/2024

Pot Size: $36,500 USDC

Total HM: 9

Participants: 113

Period: 3 days

Judge: 0xsomeone

Id: 322

League: ETH

Decent

Findings Distribution

Researcher Performance

Rank: 105/113

Findings: 1

Award: $0.09

🌟 Selected for report: 0

🚀 Solo Findings: 0

Lines of code

https://github.com/decentxyz/decent-bridge/blob/7f90fd4489551b69c20d11eeecb17a3f564afb18/src/DcntEth.sol#L20

Vulnerability details

Impact

Router can be set to an arbitrary address to mint and burn dcnt tokens

Proof of Concept

Anyone can set the router address to mint arbitrary amount of Dcnt tokens effectively draining the ETH locked within contracts or open market.

function setRouter(address _router) public {//@audit missing access control
        router = _router;
    }

Tools Used

Manual Review

SetRouter should be a privileged function

Assessed type

Access Control

#0 - c4-pre-sort

2024-01-24T03:24:32Z

raymondfam marked the issue as sufficient quality report

#1 - c4-pre-sort

2024-01-24T03:24:41Z

raymondfam marked the issue as duplicate of #14

#2 - alex-ppg

2024-02-03T13:28:01Z

Insufficient elaboration on the impact chapter as the ETH locked in the open market is unaffected.

#3 - c4-judge

2024-02-03T13:28:04Z

alex-ppg marked the issue as partial-75

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