Search...

Microsoft .NET Framework Security Feature Bypass And DoS Vulnerabilities (KB4095875)

2018-05-09T00:00:00
ID OPENVAS:1361412562310812881
Type openvas
Reporter Copyright (C) 2018 Greenbone Networks GmbH
Modified 2019-05-03T00:00:00

Description

This host is missing an important security update according to Microsoft KB4095875

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
#
# Microsoft .NET Framework Security Feature Bypass And DoS Vulnerabilities (KB4095875)
#
# Authors:
# Shakeel <bshakeel@secpod.com>
#
# 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("1.3.6.1.4.1.25623.1.0.812881");
  script_version("2019-05-03T08:55:39+0000");
  script_cve_id("CVE-2018-0765", "CVE-2018-1039");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2019-05-03 08:55:39 +0000 (Fri, 03 May 2019)");
  script_tag(name:"creation_date", value:"2018-05-09 14:53:54 +0530 (Wed, 09 May 2018)");
  script_name("Microsoft .NET Framework Security Feature Bypass And DoS Vulnerabilities (KB4095875)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4095875");

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

  script_tag(name:"insight", value:"Multiple flaws exist due to,

  - .NET, and .NET core, improperly process XML documents.

  - An error .Net Framework which could allow an attacker to bypass Device Guard");

  script_tag(name:"impact", value:"Successful exploitation will allow an
  attacker who successfully exploited this vulnerability to cause a denial
  of service against a .NET application and also to bypass security.");

  script_tag(name:"affected", value:".NET Framework 3.5 SP1 for Windows 8.1 and Server 2012 R2");

  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/4095875");
  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_require_ports(139, 445);
  script_mandatory_keys("SMB/WindowsVersion");
  exit(0);
}


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

if(hotfix_check_sp(win8_1:1, win8_1x64:1, win2012R2:1) <= 0){
  exit(0);
}

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

foreach item (registry_enum_keys(key:key))
{
  dotPath = registry_get_sz(key:key + item, item:"Path");
  if(dotPath && "\Microsoft.NET\Framework" >< dotPath)
  {
    sysdllVer = fetch_file_version(sysPath:dotPath, file_name:"mscorlib.dll");
    if(!sysdllVer){
      continue;
    }

    if(version_in_range(version:sysdllVer, test_version:"2.0.50727.5700", test_version2:"2.0.50727.8783"))
    {
      report = report_fixed_ver(file_checked:dotPath + "\mscorlib.dll",
                                file_version:sysdllVer, vulnerable_range:"2.0.50727.5700 - 2.0.50727.8783");
      security_message(data:report);
      exit(0);
    }
  }
}
exit(99);
JSON Vulners Source
Initial Source


All product names, logos, and brands are property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, logos, and brands does not imply endorsement.If you are an owner of some content and want it to be removed, please mail to content@vulners.com Vulners, 2018
Protected by