shell bypass 403
UnknownSec Shell
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usr
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share
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mass deface
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sudoers
# # Sample /etc/sudoers file. # # This file MUST be edited with the 'visudo' command as root. # # See the sudoers man page for the details on how to write a sudoers file. ## # Override built-in defaults ## Defaults syslog=auth,runcwd=~ Defaults>root !set_logname Defaults:FULLTIMERS !lecture,runchroot=* Defaults:millert !authenticate Defaults@SERVERS log_year, logfile=/var/log/sudo.log Defaults!PAGERS noexec ## # User alias specification ## User_Alias FULLTIMERS = millert, mikef, dowdy User_Alias PARTTIMERS = bostley, jwfox, crawl User_Alias WEBADMIN = will, wendy, wim ## # Runas alias specification ## Runas_Alias OP = root, operator Runas_Alias DB = oracle, sybase ## # Host alias specification ## Host_Alias SPARC = bigtime, eclipse, moet, anchor:\ SGI = grolsch, dandelion, black:\ ALPHA = widget, thalamus, foobar:\ HPPA = boa, nag, python Host_Alias CUNETS = 128.138.0.0/255.255.0.0 Host_Alias CSNETS = 128.138.243.0, 128.138.204.0/24, 128.138.242.0 Host_Alias SERVERS = primary, mail, www, ns Host_Alias CDROM = orion, perseus, hercules ## # Cmnd alias specification ## Cmnd_Alias DUMPS = /usr/sbin/dump, /usr/sbin/rdump, /usr/sbin/restore, \ /usr/sbin/rrestore, /bin/mt, \ sha224:0GomF8mNN3wlDt1HD9XldjJ3SNgpFdbjO1+NsQ== \ /home/operator/bin/start_backups Cmnd_Alias KILL = /usr/bin/kill, /usr/bin/top Cmnd_Alias PRINTING = /usr/sbin/lpc, /usr/bin/lprm Cmnd_Alias SHUTDOWN = /usr/sbin/shutdown Cmnd_Alias HALT = /usr/sbin/halt Cmnd_Alias REBOOT = /usr/sbin/reboot Cmnd_Alias SHELLS = /sbin/sh, /usr/bin/sh, /usr/bin/csh, /usr/bin/ksh, \ /usr/local/bin/tcsh, /usr/bin/rsh, \ /usr/local/bin/zsh Cmnd_Alias SU = /usr/bin/su Cmnd_Alias VIPW = /usr/sbin/vipw, /usr/bin/passwd, /usr/bin/chsh, \ /usr/bin/chfn Cmnd_Alias PAGERS = /usr/bin/more, /usr/bin/pg, /usr/bin/less ## # User specification ## # root and users in group wheel can run anything on any machine as any user root ALL = (ALL:ALL) ALL %wheel ALL = (ALL:ALL) ALL # full time sysadmins can run anything on any machine without a password FULLTIMERS ALL = (ALL:ALL) NOPASSWD: ALL # part time sysadmins may run anything as root but need a password PARTTIMERS ALL = ALL # jack may run anything on machines in CSNETS jack CSNETS = ALL # lisa may run any command on any host in CUNETS (a class B network) lisa CUNETS = ALL # operator may run maintenance commands and anything in /usr/oper/bin/ operator ALL = DUMPS, KILL, SHUTDOWN, HALT, REBOOT, PRINTING,\ sudoedit /etc/printcap, /usr/oper/bin/ # joe may su only to operator joe ALL = /bin/su operator # pete may change passwords for anyone but root on the hp snakes pete HPPA = /usr/bin/passwd ^[a-zA-Z0-9_]+$, !/usr/bin/passwd root # bob may run anything on the sparc and sgi machines as any user # listed in the Runas_Alias "OP" (ie: root and operator) bob SPARC = (OP) ALL : SGI = (OP) ALL # jim may run anything on machines in the biglab netgroup jim +biglab = ALL # users in the secretaries netgroup need to help manage the printers # as well as add and remove users +secretaries ALL = PRINTING, /usr/sbin/adduser # fred can run commands as oracle or sybase without a password fred ALL = (DB) NOPASSWD: ALL # on the alphas, john may su to anyone except root, no flags are allowed. john ALPHA = /bin/su ^[a-zA-Z0-9_]+$, !/bin/su root # jen can run anything on all machines except the ones # in the "SERVERS" Host_Alias jen ALL, !SERVERS = ALL # jill can run any commands in the directory /usr/bin/, except for # those in the SU and SHELLS aliases. jill SERVERS = /usr/bin/, !SU, !SHELLS # steve can run any command in the directory /usr/local/op_commands/ # as user operator. steve CSNETS = (operator) /usr/local/op_commands/ # matt needs to be able to kill things on his workstation when # they get hung. matt valkyrie = KILL # users in the WEBADMIN User_Alias (will, wendy, and wim) # may run any command as user www (which owns the web pages) # or simply su to www. WEBADMIN www = (www) ALL, (root) /usr/bin/su www # anyone can mount/unmount a cd-rom on the machines in the CDROM alias ALL CDROM = NOPASSWD: /sbin/umount /CDROM,\ /sbin/mount -o nosuid\,nodev /dev/cd0a /CDROM
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