Hi, I'm Merroun Lahcen from DevSecure — we specialize in uncovering hidden vulnerabilities that pose real-world risks to modern web applications.
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in this company you could invite a Guest user and affect to him a project to work in
but this vulnerability make a Guest user able to View all projects in the company
without any invitation to any project and thats a clear Broken Access control issue
POC:
1/ login with owner user role click on invite user chose external ( Guest )
from there you can read
Guests can only read, upload, and download documents in projects which they are invited to.
2/ get your jwt token for the invited guest user with post request include guest credentials to
https://api.company.com/auth/token
2/ without any invitation to any project you can view all projects in the company from this endpoint
https://api.company.com/api/projects
Platform : Intigriti
Timeline :
Reported: 20/11/2022
Triaged: 21/11/2022
Accepted & paid: 21/11/2022
Bounty: €150