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Request Assessment

External Guest without permission Can Share any collection with any user



Published il y a 6 mois

image de External Guest without permission Can Share any collection with any user

Hi, This is Merroun Lahcen From DevSecure ,we specialize in uncovering hidden vulnerabilities that pose real-world risks to modern web applications.
All vulnerabilities shared in these write-ups are fully redacted — any company names, domains, or sensitive details are replaced with placeholders such as company.com. Each finding was responsibly disclosed through the Intigriti platform and has been verified and resolved by the affected vendor.

Every post represents our commitment to ethical hacking, responsible disclosure, and continuous learning, helping organizations strengthen their defenses while contributing to a safer global cybersecurity ecosystem.

External Guest without permission Can Share any collection with any user and the user will be notify by email
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/ you can share any collection in this company with any user from this endpoint

with post request

POST /api/collections/{collectionId}/share

{"comment":"share this collection with no permission","userIds":["00000000-0000-00000-0000-000000000000"]}

you can get users ids from this endpoint : /api/user/mention
{collectionId} is the collection id

now the user will get an email with the details link information to access collection

Impact
UNAUTHORIZED ACTION

Platform : Intigriti
Timeline :
Reported: 21/11/2022
Triaged: 23/11/2022
Accepted & paid: 23/11/2022
Bounty: €150
https://app.intigriti.com/profile/merroun