Hello Labs / Bridge + Voting

Hacken20 May 20243 addresses on Ethereum, BNB Chain and Solana

Hacken reviewed HELLO Labs (Hello Labs / Bridge + Voting) on 20 May 2024: 15 findings, 3 critical; 5 marked fixed, 10 open.

3 critical findings, fixed

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Report hosted on hacken.io.

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Findings15

Statuses are the security firm’s own, from its report.

Severity	Open	Acknowledged	Fixed
Critical	0	0	3
High	0	0	1
Medium	0	0	0
Low	10	0	1

Lowabi.encodePacked() Should Not Be Used With Dynamic TypesOpen

The report gives no description here.

LowChecks-Effects-Interactions Pattern ViolationOpen

The report gives no description here.

LowCustom Errors in Solidity for Gas EfficiencyOpen

The report gives no description here.

LowMissing Checks For address(0) In constructor/initializersOpen

The report gives no description here.

LowMissing Checks For address(0) When Updating State VariablesOpen

The report gives no description here.

LowMissing Contract Existence Checks Before low-level CallOpen

The report gives no description here.

LowMissing Event EmittingOpen

The report gives no description here.

LowReturn values of transfer()/transferFrom() not checkedOpen

The report gives no description here.

LowUnused Error DefinitionOpen

The report gives no description here.

LowUse Ownable2Step Rather Than OwnableOpen

The report gives no description here.

Contracts in scope3

Address	Chain	Source code
0x0f1cbed8efa0e012adbccb1638d0ab0147d5ac00	Chain: BNB Chain	Source code: Verified source
4h49hPGphLNJNDRyiBwzvKoasR3rw1WJCEv19PhUbSS4	Chain: Solana
0x411099c0b413f4feddb10edf6a8be63bd321311c	Chain: Ethereum	Source code: Verified source

Part of HELLO Labs’s security record

HELLO Labs

Audits3 audits by 2 firmsLast audit May 2024, by Hacken.

Critical findings1 open critical findingReported in “Hello Labs / Bridge Rust” by Hacken, May 2024. Not marked fixed in that report.

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Hacken

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