The escapeReward function in the Infiltration.sol contract may be vulnerable to reentrancy attacks as it lacks the nonReentrant modifier which is present in the escape function. This inconsistency in the use of reentrancy protection mechanisms could potentially be exploited by an attacker.
Vulnerability Detail
Reentrancy is a common vulnerability in smart contracts where a function makes an external call to an untrusted contract, and that call is used to re-enter the original function before its execution is completed. The escape function is protected by the nonReentrant modifier to prevent such attacks, however, the escapeReward function does not include this modifier. If the escapeReward function interacts with external contracts or sends Ether to arbitrary addresses, it could be susceptible to reentrancy.
Impact
If this vulnerability is exploited, an attacker could drain funds or cause unintended effects by recursively calling the escapeReward function. This could lead to a loss of funds or tokens, degradation of trust in the contract's security, and potential destabilization of the contract's economic mechanisms.
It is recommended to apply the nonReentrant modifier to the escapeReward function to prevent potential reentrancy attacks. In addition to this, a thorough audit and testing of the function's interactions with external contracts should be conducted to ensure all potential reentrancy paths are mitigated.
To further enhance security, consider following the checks-effects-interactions pattern, ensuring that no state changes happen after external calls and that all the effects are handled prior to calling external contracts or addresses.
0xWSeeC
high
Reentrancy vulnerability in
escapeReward
Summary
The
escapeReward
function in theInfiltration.sol
contract may be vulnerable to reentrancy attacks as it lacks thenonReentrant
modifier which is present in theescape
function. This inconsistency in the use of reentrancy protection mechanisms could potentially be exploited by an attacker.Vulnerability Detail
Reentrancy is a common vulnerability in smart contracts where a function makes an external call to an untrusted contract, and that call is used to re-enter the original function before its execution is completed. The
escape
function is protected by thenonReentrant
modifier to prevent such attacks, however, theescapeReward
function does not include this modifier. If theescapeReward
function interacts with external contracts or sends Ether to arbitrary addresses, it could be susceptible to reentrancy.Impact
If this vulnerability is exploited, an attacker could drain funds or cause unintended effects by recursively calling the
escapeReward
function. This could lead to a loss of funds or tokens, degradation of trust in the contract's security, and potential destabilization of the contract's economic mechanisms.Code Snippet
escapeReward
Tool used
Manual Review
Recommendation
It is recommended to apply the
nonReentrant
modifier to theescapeReward
function to prevent potential reentrancy attacks. In addition to this, a thorough audit and testing of the function's interactions with external contracts should be conducted to ensure all potential reentrancy paths are mitigated.To further enhance security, consider following the checks-effects-interactions pattern, ensuring that no state changes happen after external calls and that all the effects are handled prior to calling external contracts or addresses.
Duplicate of #35