VULHUB ™

This program demonstrates a time-of-check-time-of-use TOCTOU vulnerability in Firejail. Winning it causes Firejail to create an insecure overlayfs layout, that is then used to escalate privileges by making /etc/ld.so.preload user writable.

This program demonstrates a time-of-check-time-of-use TOCTOU vulnerability in Firejail. Winning it causes Firejail to create an insecure overlayfs layout, that is then used to escalate privileges by making /etc/ld.so.preload user writable.