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openvasCopyright (C) 2021 Greenbone Networks GmbHOPENVAS:1361412562310818317
HistoryJun 10, 2021 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5003687)

2021-06-1000:00:00
Copyright (C) 2021 Greenbone Networks GmbH
plugins.openvas.org
14
microsoft windows
kb5003687
vulnerabilities
server for nfs
html platform
scripting engine
remote code execution
sensitive data
dos
security features
privileges

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

6.9

Confidence

High

EPSS

0.965

Percentile

99.6%

This host is missing a critical security
update according to Microsoft KB5003687

# Copyright (C) 2021 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("1.3.6.1.4.1.25623.1.0.818317");
  script_version("2023-10-20T16:09:12+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-2021-1675", "CVE-2021-26414", "CVE-2021-31199", "CVE-2021-31201",
                "CVE-2021-31953", "CVE-2021-31954", "CVE-2021-31956", "CVE-2021-31958",
                "CVE-2021-31959", "CVE-2021-31962", "CVE-2021-31968", "CVE-2021-31970",
                "CVE-2021-31971", "CVE-2021-31972", "CVE-2021-31973", "CVE-2021-31974",
                "CVE-2021-31975", "CVE-2021-31976", "CVE-2021-31977", "CVE-2021-33742");
  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:"2023-10-20 16:09:12 +0000 (Fri, 20 Oct 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-08-01 23:15:00 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2021-06-10 07:49:45 +0530 (Thu, 10 Jun 2021)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5003687)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB5003687");

  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:

  - An error in Server for NFS.

  - An error in HTML Platform.

  - An error in Scripting Engine.

  For more information about the vulnerabilities refer to Reference links.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to perform remote code execution, gain access to potentially sensitive data,
  conduct DoS, bypass security features and elevate privileges.");

  script_tag(name:"affected", value:"- Microsoft Windows 10 for 32-bit Systems

  - Microsoft Windows 10 for x64-based Systems");

  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/topic/june-8-2021-kb5003687-os-build-10240-18967-890ab8f9-882b-4aca-9166-a5de6c60e987");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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(win10:1, win10x64:1) <= 0){
  exit(0);
}

dllPath = smb_get_system32root();
if(!dllPath ){
  exit(0);
}

fileVer = fetch_file_version(sysPath:dllPath, file_name:"ntoskrnl.exe");
if(!fileVer){
  exit(0);
}

if(version_in_range(version:fileVer, test_version:"10.0.10240.0", test_version2:"10.0.10240.18966"))
{
  report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl",
                            file_version:fileVer, vulnerable_range:"10.0.10240.0 - 10.0.10240.18966");
  security_message(data:report);
  exit(0);
}
exit(99);

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

LOW

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

AI Score

6.9

Confidence

High

EPSS

0.965

Percentile

99.6%