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openvasCopyright (C) 2021 Greenbone Networks GmbHOPENVAS:1361412562310818318
HistoryJun 10, 2021 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5003646)

2021-06-1000:00:00
Copyright (C) 2021 Greenbone Networks GmbH
plugins.openvas.org
10
microsoft windows
server for nfs
html platform
scripting engine
remote code execution
sensitive data access
dos
security bypass
privilege elevation
kb5003646
cve-2021-1675
cve-2021-26414
cve-2021-31199
cve-2021-31201
cve-2021-31951
cve-2021-31952
cve-2021-31953
cve-2021-31954
cve-2021-31955
cve-2021-31956
cve-2021-31958
cve-2021-31959
cve-2021-31962
cve-2021-31968
cve-2021-31969
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
security update
vulnerability
microsoft windows 10
microsoft windows server 2019
kb5003646

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 KB5003646

# 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("1.3.6.1.4.1.25623.1.0.818318");
  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-2021-31951", "CVE-2021-31952", "CVE-2021-31953", "CVE-2021-31954",
                "CVE-2021-31955", "CVE-2021-31956", "CVE-2021-31958", "CVE-2021-31959",
                "CVE-2021-31962", "CVE-2021-31968", "CVE-2021-31969", "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 07:49:18 +0530 (Thu, 10 Jun 2021)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5003646)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB5003646");

  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 Version 1809 for 32-bit Systems

  - Microsoft Windows 10 Version 1809 for x64-based Systems

  - Microsoft Windows Server 2019");

  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-kb5003646-os-build-17763-1999-81e2ff5a-0769-4e56-8762-059dd6e0d6bb");
  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, win2019:1) <= 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:"10.0.17763.0", test_version2:"10.0.17763.1998"))
{
  report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
                            file_version:fileVer, vulnerable_range:"10.0.17763.0 - 10.0.17763.1998");
  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%