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mythril
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Security analysis tool for EVM bytecode. Supports smart contracts built for Ethereum, Hedera, Quorum, Vechain, Roostock, Tron and other EVM-compatible blockchains.
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mythril/tests/testdata/outputs_expected/ether_send.sol.markdown

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Analysis Results

Ether send

  • Type: Warning
  • Contract: Crowdfunding
  • Function name: withdrawfunds()
  • PC address: 816

Description

In the function 'withdrawfunds()' a non-zero amount of Ether is sent to msg.sender.

There is a check on storage index 1. This storage slot can be written to by calling the function 'crowdfunding()'.

In /inputs/ether_send.sol:18

msg.sender.transfer(this.balance)

Integer Overflow

  • Type: Warning
  • Contract: Crowdfunding
  • Function name: invest()
  • PC address: 483

Description

A possible integer overflow exists in the function invest(). Addition may result in a lower value.

In /inputs/ether_send.sol:24

balances[msg.sender] += msg.value