Submission Details
Severity:
the address parameter on buyPresent can be any arbitrary address
Summary
the address parameter should be msg.sender as this function can be called by an attacker on users address without consent
Vulnerability Details
the address parameter accepts arbitrary values and this can be called on any address asides the caller
Impact
it can be used to burn someones token without consent
Tools Used
Manual review
Recommendations
address should be msg.sender
Updates
Lead Judging Commences
inallhonesty over 1 year ago
Submission Judgement Published Assigned finding tags:
buyPresent should use msg.sender
Current implementation allows a malicious actor to burn someone else's tokens as the burn function doesn't actually check for approvals.
Rewards breakdown
nSLOC
116This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
Live
The contest is live. Earn rewards by submitting a finding.
Appeals
This is your time to appeal against judgements on your submissions.
Appeals Review
Appeals are being carefully reviewed by our judges.