writeups.xyz / Generate valid signatures for FBCDN urls

Submitter : c2a

Date: 13 March 2020

Bounty : undisclosed

Vulnerabilities :

• Logic Flaw
• Broken Authorization

Programs :

• Meta / Facebook

Authors :

• Philippe Harewood (@Phwd)

Link :
https://philippeharewood.com/generate-valid-signatures-for-fbcdn-urls/