Submission Details
Severity:
Session never ends
summary
Session never ends
vulnerability details
There is no function or mechanism provided when the LevelOne::inSession will become false , if we use the correct modifer which i have reported at here , conside this after using the correct modifer
Users can able to participate even after the LevelOne::sessionEnd time ends
impact - High
students can able to enroll even after the session ends
likelyhood - High
Recommendations
function enroll() external notYetInSession {
+ if (block.timestamp > sessionEnd) {
+ revert HH__SessionEnds();
+ }
if (isTeacher[msg.sender] || msg.sender == principal) {
revert HH__NotAllowed();
}
if (isStudent[msg.sender]) {
revert HH__StudentExists();
}
usdc.safeTransferFrom(msg.sender, address(this), schoolFees);
listOfStudents.push(msg.sender);
isStudent[msg.sender] = true;
studentScore[msg.sender] = 100;
bursary += schoolFees;
emit Enrolled(msg.sender);
}
Updates
Lead Judging Commences
yeahchibyke about 1 month ago
Submission Judgement Published Assigned finding tags:
session state not updated
`inSession` not updated after during upgrade
Rewards breakdown
nSLOC
243This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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