Nine-One-Sixteen

Challenge Description

We found a vulnerability in this company's software and we are trying to do responsible disclosure! We want to notify the organization and contact them about the security issues... can you track down their contact info?

Solution

  • Visting the website

  • We see RFC9116, which is a file format that helps with security vulnerability disclosures

  • Reading more baout RFC 9116, we find a security.txt file under the /.well-known/ directory

  • Going to /.well-known/security.txt, we find the flag

FLAG

flag{7b2bf7ec022acbddb0a75a362f4ce8ff}

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