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openvasCopyright (C) 2020 Greenbone Networks GmbHOPENVAS:1361412562310815775
HistoryFeb 12, 2020 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB4537814)

2020-02-1200:00:00
Copyright (C) 2020 Greenbone Networks GmbH
plugins.openvas.org
72

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.973 High

EPSS

Percentile

99.9%

This host is missing a critical security
update according to Microsoft KB4537814

# Copyright (C) 2020 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("1.3.6.1.4.1.25623.1.0.815775");
  script_version("2022-08-09T10:11:17+0000");
  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2020-0655", "CVE-2020-0657", "CVE-2020-0658", "CVE-2020-0660",
                "CVE-2020-0662", "CVE-2020-0665", "CVE-2020-0666", "CVE-2020-0667",
                "CVE-2020-0668", "CVE-2020-0673", "CVE-2020-0674", "CVE-2020-0675",
                "CVE-2020-0676", "CVE-2020-0677", "CVE-2020-0678", "CVE-2020-0679",
                "CVE-2020-0680", "CVE-2020-0681", "CVE-2020-0682", "CVE-2020-0683",
                "CVE-2020-0686", "CVE-2020-0691", "CVE-2020-0698", "CVE-2020-0703",
                "CVE-2020-0705", "CVE-2020-0706", "CVE-2020-0707", "CVE-2020-0708",
                "CVE-2020-0715", "CVE-2020-0719", "CVE-2020-0720", "CVE-2020-0721",
                "CVE-2020-0722", "CVE-2020-0723", "CVE-2020-0724", "CVE-2020-0725",
                "CVE-2020-0726", "CVE-2020-0729", "CVE-2020-0730", "CVE-2020-0731",
                "CVE-2020-0734", "CVE-2020-0735", "CVE-2020-0737", "CVE-2020-0738",
                "CVE-2020-0744", "CVE-2020-0745", "CVE-2020-0748", "CVE-2020-0752",
                "CVE-2020-0753", "CVE-2020-0754", "CVE-2020-0755", "CVE-2020-0756",
                "CVE-2020-0817");
  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:"2022-08-09 10:11:17 +0000 (Tue, 09 Aug 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-02-13 18:11:00 +0000 (Thu, 13 Feb 2020)");
  script_tag(name:"creation_date", value:"2020-02-12 14:50:58 +0530 (Wed, 12 Feb 2020)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB4537814)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB4537814");

  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:

  - Windows Common Log File System (CLFS) driver fails to properly handle objects
    in memory.

  - Windows Search Indexer improperly handles objects in memory.

  - Cryptography Next Generation (CNG) service improperly handles objects in memory.

  - Windows Error Reporting manager improperly handles hard links.

  - Windows Function Discovery Service improperly handles objects in memory.

  Please see the references for more information about the vulnerabilities.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to execute arbitrary code, elevate privileges, disclose sensitive information
  and cause denial of service.");

  script_tag(name:"affected", value:"Microsoft Windows Server 2012.");

  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/4537814");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 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(win2012:1) <= 0){
  exit(0);
}

dllpath = smb_get_system32root();
if(!dllpath)
  exit(0);

fileVer = fetch_file_version(sysPath:dllpath, file_name:"Win32k.sys");
if(!fileVer)
  exit(0);

if(version_is_less(version:fileVer, test_version:"6.2.9200.22979")) {
  report = report_fixed_ver(file_checked:dllpath + "\Win32k.sys",
                            file_version:fileVer, vulnerable_range:"Less than 6.2.9200.22979");
  security_message(data:report);
  exit(0);
}

exit(99);

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

7.2 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.973 High

EPSS

Percentile

99.9%