Microsoft .NET Framework and Silverlight Remote Code Execution Vulnerability (2604930)

# Copyright (C) 2011 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902581");
  script_version("2022-05-25T07:40:23+0000");
  script_tag(name:"last_modification", value:"2022-05-25 07:40:23 +0000 (Wed, 25 May 2022)");
  script_tag(name:"creation_date", value:"2011-10-12 16:01:32 +0200 (Wed, 12 Oct 2011)");
  script_cve_id("CVE-2011-1253");
  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_name("Microsoft .NET Framework and Silverlight Remote Code Execution Vulnerability (2604930)");
  script_xref(name:"URL", value:"http://securitytracker.com/id/1026161");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/49999");
  script_xref(name:"URL", value:"http://securitytracker.com/id/1026162");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-078");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2011 Greenbone Networks GmbH");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_reg_enum.nasl", "gb_ms_silverlight_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("SMB/registry_enumerated");

  script_tag(name:"impact", value:"Successful exploitation could allow attacker to execute arbitrary code within
  the context of the affected application. Failed exploit attempts will likely
  result in a denial-of-service condition.");
  script_tag(name:"affected", value:"- Microsoft Silverlight 4.0

  - Microsoft .NET Framework 4.0

  - Microsoft .NET Framework 3.5.1

  - Microsoft .NET Framework 2.0 Service Pack 2

  - Microsoft .NET Framework 1.1 Service Pack 1");
  script_tag(name:"insight", value:"The flaw due to an error when restricting inheritance within classes
  and can be exploited via a specially crafted web page.");
  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
  script_tag(name:"summary", value:"This host is missing a critical security update according to
  Microsoft Bulletin MS11-078.");
  script_tag(name:"qod_type", value:"executable_version");
  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");
include("host_details.inc");

if(hotfix_check_sp(xp:4, win2003:3, winVista:3, win2008:3, win7:2) <= 0){
  exit(0);
}

## MS11-078 Hotfix
if((hotfix_missing(name:"2572078") == 0) && (hotfix_missing(name:"2572077") == 0) &&
   (hotfix_missing(name:"2572076") == 0) && (hotfix_missing(name:"2572075") == 0) &&
   (hotfix_missing(name:"2572073") == 0) && (hotfix_missing(name:"2572069") == 0) &&
   (hotfix_missing(name:"2572067") == 0) && (hotfix_missing(name:"2572066") == 0) &&
   (hotfix_missing(name:"2617986") == 0) ){
  exit(0);
}

if(infos = get_app_version_and_location( cpe:"cpe:/a:microsoft:silverlight", exit_no_version:FALSE)) {
  mslVers = infos['version'];
  mslPath = infos['location'];

  if( mslVers ) {
    if( version_is_less( version:mslVers, test_version:"4.0.60831" ) ) {
      report = report_fixed_ver( installed_version:mslVers, fixed_version:"4.0.60831", install_path:mslPath );
      security_message( port:0, data:report );
      exit( 0 );
    }
  }
}

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

foreach item (registry_enum_keys(key:key))
{
  path = registry_get_sz(key:key + item, item:"Path");
  if("\Microsoft.NET\Framework" >< path)
  {
    dllVer = fetch_file_version(sysPath:path, file_name:"mscorlib.dll");
    if(dllVer)
    {
      if(hotfix_check_sp(win2003:3) > 0)
      {
        ## GDR 1.1.4322.2490  LDR 1.1.4322.2490
        if(version_in_range(version:dllVer, test_version:"1.1.4322.2000", test_version2:"1.1.4322.2489"))
        {
          security_message( port: 0, data: "The target host was found to be vulnerable" );
          exit(0);
        }
      }

      if(hotfix_check_sp(xp:4, win2003:3) > 0)
      {
        ## GDR 4.0.30319.239  LDR 4.0.30319.488
        ## GDR 2.0.50727.3625 LDR 2.0.50727.5681
        if(version_in_range(version:dllVer, test_version:"4.0.30319.000", test_version2:"4.0.30319.238")||
           version_in_range(version:dllVer, test_version:"4.0.30319.400", test_version2:"4.0.30319.487")||
           version_in_range(version:dllVer, test_version:"2.0.50727.3000", test_version2:"2.0.50727.3624")||
          version_in_range(version:dllVer, test_version:"2.0.50727.5000", test_version2:"2.0.50727.5680"))
        {
          security_message( port: 0, data: "The target host was found to be vulnerable" );
          exit(0);
        }
      }

      if(hotfix_check_sp(winVista:3, win2008:3) > 0)
      {
        SP = get_kb_item("SMB/WinVista/ServicePack");

        if(!SP) {
          SP = get_kb_item("SMB/Win2008/ServicePack");
        }

        if("Service Pack 2" >< SP)
        {
          ## GDR 4.0.30319.239  LDR 4.0.30319.488
          ## GDR 2.0.50727.4216 LDR 2.0.50727.5681
          ## 1.1.4322.2490
          if(version_in_range(version:dllVer, test_version:"4.0.30319.000", test_version2:"4.0.30319.238") ||
             version_in_range(version:dllVer, test_version:"4.0.30319.400", test_version2:"4.0.30319.487") ||
             version_in_range(version:dllVer, test_version:"2.0.50727.4000", test_version2:"2.0.50727.4215")||
             version_in_range(version:dllVer, test_version:"2.0.50727.5000", test_version2:"2.0.50727.5680")||
             version_in_range(version:dllVer, test_version:"1.1.4322.2000", test_version2:"1.1.4322.2489"))
          {
            security_message( port: 0, data: "The target host was found to be vulnerable" );
            exit(0);
          }
        }
      }

      if(hotfix_check_sp(win7:2) > 0)
      {
        ## GDR 4.0.30319.239  LDR 4.0.30319.488
        ## GDR 2.0.50727.5448 LDR 2.0.50727.5681
        ## GDR 2.0.50727.4963 LDR 2.0.50727.5681
        if(version_in_range(version:dllVer, test_version:"4.0.30319.000", test_version2:"4.0.30319.238")||
           version_in_range(version:dllVer, test_version:"4.0.30319.400", test_version2:"4.0.30319.487")||
           version_in_range(version:dllVer, test_version:"2.0.50727.5000", test_version2:"2.0.50727.5447")||
           version_in_range(version:dllVer, test_version:"2.0.50727.5600", test_version2:"2.0.50727.5680")||
           version_in_range(version:dllVer, test_version:"2.0.50727.4000", test_version2:"2.0.50727.4962"))
        {
           security_message( port: 0, data: "The target host was found to be vulnerable" );
           exit(0);
        }
      }
    }
  }
}

exit(99);