TRON_ TRONDapphub_report.md

Summary

This is the report from a security audit performed on TRONDapphub by MrCrambo.

The audit focused primarily on the security of TRONDapphub smart contract.

In scope

1. https://github.com/trondapphub/contracts/blob/3cf4e716c3e8cf2e4339657b1fbca51d9c19bc96/TDHtoken.sol

Findings

In total, 3 issues was reported including:

• 0 high severity issues.

• 0 medium severity issues.

• 3 low severity issues.

Security issues

1. Known vulnerabilities of ERC-20 token

Severity: low

Description

As TRON works on Ethereum standards, then this issues is possible there:

1. It is possible to double withdrawal attack. More details here
2. Lack of transaction handling mechanism issue. More details here

Recommendation

Add into a function transfer(address _to, ... ) following code:

require( _to != address(this) );

2. Extra checking

Severity: low

Description

There is extra checking in function transferFrom for zero address, because it will be checkind in _transfer function.

3. Owner privilegies

Severity: low

Description

Owner can change burning and approveAndCall requirements, so users will not be available to call this functions.

Conclusion

Smart contract contains only low severity issue.