All students may fail the graduation if their only teacher gets expelled before giving any reviews
Summary
In Hawk High, students must be given review for them to meet the cutOffScore and to graduate. However, that will not happen in only 1 teacher gets added to the school and then expelled before giving at least 4 reviews.
Vulnerability Details
The principal can add only 1 teacher to the school and then expel them before giving at least 4 reviews, that way, none of the students have the minimum reviewCount of 4 and therefore none of the students will be graduated.
Impact
All students failing when they didn't have a teacher to give them at least 4 reviews.
Tools Used
Manual source code review.
Recommendations
Add a check that validates that a teacher cannot be expelled while during the session.
Rewards breakdown
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.