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openvasCopyright (C) 2021 Greenbone Networks GmbHOPENVAS:1361412562310818140
HistoryJun 09, 2021 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5003671)

2021-06-0900:00:00
Copyright (C) 2021 Greenbone Networks GmbH
plugins.openvas.org
11

9.4 High

CVSS3

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

6.9 Medium

AI Score

Confidence

High

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

0.966 High

EPSS

Percentile

99.6%

This host is missing a critical security
update according to Microsoft KB5003671

# 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("1.3.6.1.4.1.25623.1.0.818140");
  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-2021-33742");
  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:"2021-06-09 15:47:12 +0530 (Wed, 09 Jun 2021)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5003671)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB5003671");

  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 Windows HTML Platform.

  - An error in Server for NFS.

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

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to cause denial of service, disclose sensitive information and bypass security
  restrictions.");

  script_tag(name:"affected", value:"- Microsoft Windows 8.1 for 32-bit/x64-based systems

  - Microsoft Windows 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/5003671");
  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(win8_1:1, win8_1x64:1, win2012R2:1) <= 0){
  exit(0);
}

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

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

if(version_is_less(version:fileVer, test_version:"11.0.9600.20045"))
{
  report = report_fixed_ver(file_checked:dllPath + "\urlmon.dll",
                            file_version:fileVer, vulnerable_range:"Less than 11.0.9600.20045");
  security_message(data:report);
  exit(0);
}
exit(99);

9.4 High

CVSS3

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

6.9 Medium

AI Score

Confidence

High

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

0.966 High

EPSS

Percentile

99.6%