by Julien Ahrens | Thursday, May 3, 2018 | Bug Bounty
I’ve always wanted to visit San Francisco! So I was really happy about an email from HackerOne inviting me to this beautiful city in April. But they did not cover all the costs for my international flights and the hotel room just for my personal city trip...
by Julien Ahrens | Wednesday, November 22, 2017 | CTF
by Julien Ahrens | Wednesday, October 18, 2017 | Advisory, CVE
by Julien Ahrens | Friday, October 13, 2017 | Advisory, CVE
I usually try to avoid blogging about Cross-Site Request Forgery and Cross-Site Scripting vulnerabilities, just because they are basically everywhere – except if they can be used to achieve something cool 😉 In this specific case I have found a particularly...
by Julien Ahrens | Monday, August 28, 2017 | Bug Bounty
I recently came across an interesting Local File Inclusion vulnerability in a private bug bounty program which I was able to upgrade to a Remote Code Execution. The interesting fact about this and what makes it different is that the underlying operating system was...