LinkedIn · Report #2649615
Forced OAuth authorization using button ID in hash and holding space
Validstatus
mediumseverity
79upvotes
17 Dec 2024disclosed
Summary
An issue with in LinkedIn's OAuth process allows attackers to conduct a social engineering attack to trick a user into authorizing a 3rd party app to bind to their account without explicit consent. Abusing this issue is limited because:
- This requires social engineering in the form of getting a user to visit a phishing link and press and holding a key on their keyboard.
- Access granted to 3rd party apps in this manner are also typically very limited.
How it was found
The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.