Microsoft .NET Framework Information Disclosure Vulnerability (KB4344152)

###############################################################################
# OpenVAS Vulnerability Test
#
# Microsoft .NET Framework Information Disclosure Vulnerability (KB4344152)
#
# Authors:
# Shakeel <[email protected]>
#
# Copyright:
# Copyright (C) 2018 Greenbone Networks GmbH, http://www.greenbone.net
#
# 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.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.813766");
  script_version("2019-05-20T11:12:48+0000");
  script_cve_id("CVE-2018-8360");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2019-05-20 11:12:48 +0000 (Mon, 20 May 2019)");
  script_tag(name:"creation_date", value:"2018-08-15 11:25:10 +0530 (Wed, 15 Aug 2018)");
  script_name("Microsoft .NET Framework Information Disclosure Vulnerability (KB4344152)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4344152");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw exists when .NET Framework is used
  in high-load/high-density network connections where content from one stream
  can blend into another stream.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to access information in multi-tenant environments.");

  script_tag(name:"affected", value:".NET Framework 3.5.1 for Windows 7 SP1 and
  Windows Server 2008 R2 SP1");

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"executable_version");
  script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4344152");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone Networks GmbH");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);
  exit(0);
}

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

if(hotfix_check_sp(win7:2, win7x64:2, win2008r2:2) <= 0){
  exit(0);
}

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

key2 = "SOFTWARE\Microsoft\.NETFramework\AssemblyFolders\";
foreach item (registry_enum_keys(key:key2))
{
  path = registry_get_sz(key:key2 + item, item:"All Assemblies In");
  if(path)
  {
    dllVer = fetch_file_version(sysPath:path, file_name:"system.identitymodel.dll");
    if(!dllVer || dllVer !~ "^3\."){
      continue;
    }

    if(version_in_range(version:dllVer, test_version:"3.0.4506.7082", test_version2:"3.0.4506.8799"))
    {
      report = report_fixed_ver(file_checked:path + "system.identitymodel.dll",
                          file_version:dllVer, vulnerable_range:"3.0.4506.7082 - 3.0.4506.8799");
      security_message(data:report);
      exit(0);
    }
  }
}