Microsoft .NET Framework Remote Code Execution Vulnerability (2745030)

###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_ms12-074.nasl 5346 2017-02-19 08:43:11Z cfi $
#
# Microsoft .NET Framework Remote Code Execution Vulnerability (2745030)
#
# Authors:
# Antu Sanadi <[email protected]>
#
# Copyright:
# Copyright (c) 2012 SecPod, http://www.secpod.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

tag_impact = "Successful exploitation will allow an attacker to execute arbitrary code
  with the privileges of the currently logged-in user. Failed attacks will
  cause denial-of-service conditions.
  Impact Level: System/Application";
tag_affected = "Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.0, 3.5, 3.5.1,
  and 4";
tag_insight = "- An error within permissions checking of objects that perform reflection can
    be exploited via a specially crafted XAML Browser Application (XBAP) or an
    untrusted .NET application.
  - An sanitisation error when processing partially trusted code can be exploited
    to disclose certain data via a specially crafted XAML Browser Application
    (XBAP) or an untrusted .NET application.
  - The Entity Framework component loads certain libraries in an insecure manner,
    which can be exploited to load arbitrary libraries by tricking a user into
    opening certain files located on a remote WebDAV or SMB share.
  - A validation error when acquiring proxy settings via the
    Web Proxy Auto-Discovery (WPAD) can be exploited to execute JavaScript code
    with reduced restrictions.
  - An error within permissions checking of Windows Presentation Foundation (WPF)
    objects that perform reflection can be exploited via a specially crafted XAML
    Browser Application (XBAP) or an untrusted .NET application.";
tag_solution = "Run Windows Update and update the listed hotfixes or download and
  update mentioned hotfixes in the advisory from the below link,
  http://technet.microsoft.com/en-us/security/bulletin/ms12-074";
tag_summary = "This host is missing a critical security update according to
  Microsoft Bulletin MS12-074.";

if(description)
{
  script_id(902934);
  script_version("$Revision: 5346 $");
  script_cve_id("CVE-2012-1895", "CVE-2012-1896", "CVE-2012-2519", "CVE-2012-4776",
                "CVE-2012-4777");
  script_bugtraq_id(56455, 56456, 56462, 56464);
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"$Date: 2017-02-19 09:43:11 +0100 (Sun, 19 Feb 2017) $");
  script_tag(name:"creation_date", value:"2012-11-14 11:47:24 +0530 (Wed, 14 Nov 2012)");
  script_name("Microsoft .NET Framework Remote Code Execution Vulnerability (2745030)");
  script_xref(name : "URL" , value : "http://secunia.com/advisories/51236/");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2745030");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729456");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729460");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729449");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729452");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729451");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729450");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2729453");
  script_xref(name : "URL" , value : "http://support.microsoft.com/kb/2698023");
  script_xref(name : "URL" , value : "http://technet.microsoft.com/en-us/security/bulletin/ms12-074");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2012 SecPod");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");

  script_tag(name : "impact" , value : tag_impact);
  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name : "summary" , value : tag_summary);
  script_tag(name:"qod_type", value:"registry");
  script_tag(name:"solution_type", value:"VendorFix");
  exit(0);
}


include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

## Variables Initialization
key = "";
item = "";
path = "";
dllVer = "";

## Check for OS and Service Pack
if(hotfix_check_sp(xp:4, xpx64:3, win2003:3, win2003x64:3, winVista:3,
                   win7:2, win7x64:2, win2008:3, win2008r2:2) <= 0){
  exit(0);
}

## Confirm .NET
key = "SOFTWARE\Microsoft\ASP.NET\";
if(!registry_key_exists(key:key)){
  exit(0);
}

## Try to Get Version
foreach item (registry_enum_keys(key:key))
{
  path = registry_get_sz(key:key + item, item:"Path");
  if(path && "\Microsoft.NET\Framework" >< path)
  {
    ## Get version from System.dll file
    dllVer = fetch_file_version(sysPath:path, file_name:"System.dll");
    if(dllVer)
    {
      ## .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008,
      ##  Windows 7 and and Windows Server 2008 R2
      if(version_in_range(version:dllVer, test_version:"4.0.30319.000", test_version2:"4.0.30319.295")||
         version_in_range(version:dllVer, test_version:"4.0.30319.500", test_version2:"4.0.30319.585"))
      {
        security_message(0);
        exit(0);
      }

      ## .NET Framework 4.5 on Windows 7 SP1 and Windows Server 2008 R2 SP 1
      ##  Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
      if((hotfix_check_sp(win7:2, win7x64:2, win2008r2:2, winVista:3, win2008:3) > 0) &&
         (version_in_range(version:dllVer, test_version:"4.0.30319.18000", test_version2:"4.0.30319.18013")||
          version_in_range(version:dllVer, test_version:"4.0.30319.19000", test_version2:"4.0.30319.19018")))
      {
        security_message(0);
        exit(0);
      }

      ## .NET Framework 3.5.1 on Windows 7 and Windows Server 2008 R2
      if((hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.5000", test_version2:"2.0.50727.5465")||
          version_in_range(version:dllVer, test_version:"2.0.50727.5600", test_version2:"2.0.50727.5736")||
          version_in_range(version:dllVer, test_version:"2.0.50727.4000", test_version2:"2.0.50727.4983")))
      {
        security_message(0);
        exit(0);
      }

      ## .NET Framework 2.0 Service Pack 2 on Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
      if((hotfix_check_sp(winVista:3, win2008:3) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.4000", test_version2:"2.0.50727.4233")||
          version_in_range(version:dllVer, test_version:"2.0.50727.5700", test_version2:"2.0.50727.5736")))
      {
        security_message(0);
        exit(0);
      }

      ## .NET Framework 2.0 Service Pack 2 on Windows XP and Windows Server 2003
      if((hotfix_check_sp(xp:4, xpx64:3, win2003:3, win2003x64:3) > 0) &&
         (version_in_range(version:dllVer, test_version:"2.0.50727.3000", test_version2:"2.0.50727.3642")||
          version_in_range(version:dllVer, test_version:"2.0.50727.5700", test_version2:"2.0.50727.5736")))
      {
        security_message(0);
        exit(0);
      }

      ## .NET Framework 1.1 Service Pack 1 on Windows XP, Windows Server 2003, Windows Vista and Windows Server 2008
      if((hotfix_check_sp(xp:4, win2003:3, win2003x64:3, winVista:3, win2008:3) > 0) &&
         (version_in_range(version:dllVer, test_version:"1.1.4322.2000", test_version2:"1.1.4322.2499")))
      {
        security_message(0);
        exit(0);
      }
    }
  }
}

## Microsoft .NET Framework 1.1 Service Pack 1 when used with
## Windows Server 2003 Service Pack 2
foreach item (registry_enum_keys(key:key))
{
  path = registry_get_sz(key:key + item, item:"Path");
  if("\Microsoft.NET\Framework" >< path)
  {
    ## Get version from mscorlib.dll file
    dllVer = fetch_file_version(sysPath:path, file_name:"mscorlib.dll");
    if(dllVer)
    {
      ## Windows XP and Windows 2003
      if(hotfix_check_sp(win2003:3) > 0)
      {
        ## Microsoft .NET Framework 1.1 Service Pack 1
        if(version_in_range(version:dllVer, test_version:"1.1.4322.2000", test_version2:"1.1.4322.2499"))
        {
          security_message(0);
          exit(0);
        }
      }
    }
  }
}

## Get .NET Framework 4.0 Version
key = "SOFTWARE\Microsoft\ASP.NET\4.0.30319.0";
if(registry_key_exists(key:key))
{
  path = registry_get_sz(key:key, item:"Path");
  if(path){
    dllv4 = fetch_file_version(sysPath:path, file_name:"WPF\Presentationcore.dll");
  }
}

## .NET Framework 4 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7
if(dllv4 &&
  (version_in_range(version:dllv4, test_version:"4.0.30319.000", test_version2:"4.0.30319.297") ||
   version_in_range(version:dllv4, test_version:"4.0.30319.500", test_version2:"4.0.30319.587")))
{
  security_message(0);
  exit(0);
}

## .NET Framework 4.5 on Windows 7 SP1 and Windows Server 2008 R2 SP 1
##  Windows Vista Service Pack 2 and Windows Server 2008 Service Pack 2
if(dllv4)
{
  if((hotfix_check_sp(win7:2, win7x64:2, win2008r2:2, winVista:3, win2008:3) > 0) &&
    (version_in_range(version:dllv4, test_version:"4.0.30319.18000", test_version2:"4.0.30319.18014")||
     version_in_range(version:dllv4, test_version:"4.0.30319.19000", test_version2:"4.0.30319.19019")))
   {
     security_message(0);
     exit(0);
   }
}