_callbackGasLimit
is directly added to estimatedGasLimit
without any upper bound check.
If _callbackGasLimit
is too large, it could result in excessively high gas usage and potential DoS (Denial of Service) attacks.
Attackers could inflate gas costs to prevent other users from executing transactions.
Manual review
Set an upper bound for _callbackGasLimit
where the treshhold is a reasonable limit based on expected execution gas.
Please read the CodeHawks documentation to know which submissions are valid. If you disagree, provide a coded PoC and explain the real likelihood and the detailed impact on the mainnet without any supposition (if, it could, etc) to prove your point.
There is no real proof, concrete root cause, specific impact, or enough details in those submissions. Examples include: "It could happen" without specifying when, "If this impossible case happens," "Unexpected behavior," etc. Make a Proof of Concept (PoC) using external functions and realistic parameters. Do not test only the internal function where you think you found something.
The contest is live. Earn rewards by submitting a finding.
This is your time to appeal against judgements on your submissions.
Appeals are being carefully reviewed by our judges.