Submission Details
Severity:
Principal can get an extra pay
summary
Principal can get an extra pay
vulnerability details
Principal can add his own address in the Teachers list with LevelOne::addTeacher and when the principal has been executing LevelOne::graduateAndUpgrade , he can get an extra pay amount for how much amount we are going to pay for a teacher
impact - Medium
likelyhood - Low
Recommendations
Add a condition inside the function LevelOne::addTeacher
function addTeacher(address _teacher) public onlyPrincipal notYetInSession {
if (_teacher == address(0)) {
revert HH__ZeroAddress();
}
if (isTeacher[_teacher]) {
revert HH__TeacherExists();
}
- if (isStudent[_teacher]) {
+ if (isStudent[_teacher] || _teacher == principal) {
revert HH__NotAllowed();
}
listOfTeachers.push(_teacher);
isTeacher[_teacher] = true;
emit TeacherAdded(_teacher);
}
Updates
Lead Judging Commences
yeahchibyke 18 days ago
Submission Judgement Published Assigned finding tags:
principal can become teacher
Principal can add themselves as teacher and share in teacher pay upon graduation
Rewards breakdown
nSLOC
243This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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