Submission Details
Severity:
Attacker can dos user from collecting present by Updating user theListcheckOnce status
Summary
Due to lack of modifier to check who can call the s_theListCheckOnce, attacker can Dos user by updating thier status to naught hence the wont be able to collect present.
Vulnerability Details
Access Control, Missing modifier
Impact
User can lose access to present, Dos
Tools Used
foundry, manual review
Recommendations
add the onlysanta modifier to the checkListOnce function
Updates
Lead Judging Commences
inallhonesty almost 2 years ago
Submission Judgement Published Assigned finding tags:
Access Control on checkList()
Anyone is able to call checkList() changing the status of a provided address. This is not intended functionality and is meant to be callable by only Santa.
Rewards breakdown
nSLOC
116This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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