Got an file upload restricted to `.json` files ANYWHERE on the system?
Try to overwrite an dependency manager file, like package.json or composer.json
Most times they have an "scripts" property that runs a command before every action, like an update.
#bugbounty#bugbountytips
Just published my new tool called h2rs which detects potential request smuggling via HTTP/2 downgrades.
Feedbacks and PR are welcome! If you wan to try install with pip3 command below:
pip3 install h2rs
source code: github.com/riramar/h2rs
My research about IDO & IGO platforms is having very interesting results :)
Tested Platforms (until now): 15
Vulnerable Platforms: 8
Some of the vulnerabilities allows attackers to change the smart contract of the token, info leak and so on!!!
Nuclei < v2.5.2 was vulnerable to RCE.
I found that you could achieve RCE by using a malicious .yaml template and exploiting nuclei's headless browser feature, which runs with sandbox disabled.
Thanks @pdnuclei for the quick update and fix.
PoC:
gist.github.com/c3l3si4n/88f…
This year, for Pwn2Win 2021 CTF, I relaunched MessageKeeper. The main idea was to exploit Chrome's AppCache fallback section (and the fact that it matches URLs by prefix) - I think it was the hardest challenge I created to date! A solution can be found on gist.github.com/lbherrera/f5…