cmeeks


Checking for sudo privileges of the cmeeks user after performing a manual enumeration

[cmeeks@hetemit ~]$ sudo -l
Matching Defaults entries for cmeeks on hetemit:
    !visiblepw, always_set_home, match_group_by_gid, always_query_group_plugin, env_reset, env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR
    LS_COLORS", env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE", env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT
    LC_MESSAGES", env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE", env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET
    XAUTHORITY", secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin
 
User cmeeks may run the following commands on hetemit:
    (root) NOPASSWD: /sbin/halt, /sbin/reboot, /sbin/poweroff

The user is able to execute the following commands as the root account;

  • /sbin/halt
  • /sbin/reboot
  • /sbin/poweroff

Interestingly, there is a enabled service file that the cmeeks user is able to modify. Moving on to the Privilege Escalation phase