CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
99.7%
This host is missing a critical security
update according to Microsoft KB4523205
# Copyright (C) 2019 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("1.3.6.1.4.1.25623.1.0.815835");
script_version("2023-10-27T16:11:32+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-2018-12207", "CVE-2019-0712", "CVE-2019-0719", "CVE-2019-0721",
"CVE-2019-11135", "CVE-2019-1309", "CVE-2019-1310", "CVE-2019-1324",
"CVE-2019-1374", "CVE-2019-1379", "CVE-2019-1380", "CVE-2019-1381",
"CVE-2019-1382", "CVE-2019-1383", "CVE-2019-1384", "CVE-2019-1385",
"CVE-2019-1388", "CVE-2019-1390", "CVE-2019-1391", "CVE-2019-1393",
"CVE-2019-1394", "CVE-2019-1395", "CVE-2019-1396", "CVE-2019-1397",
"CVE-2019-1398", "CVE-2019-1399", "CVE-2019-1405", "CVE-2019-1406",
"CVE-2019-1408", "CVE-2019-1409", "CVE-2019-1411", "CVE-2019-1413",
"CVE-2019-1415", "CVE-2019-1416", "CVE-2019-1417", "CVE-2019-1418",
"CVE-2019-1419", "CVE-2019-1420", "CVE-2019-1422", "CVE-2019-1424",
"CVE-2019-1426", "CVE-2019-1427", "CVE-2019-1428", "CVE-2019-1429",
"CVE-2019-1433", "CVE-2019-1435", "CVE-2019-1436", "CVE-2019-1437",
"CVE-2019-1438", "CVE-2019-1439", "CVE-2019-1440", "CVE-2019-1456");
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:"2023-10-27 16:11:32 +0000 (Fri, 27 Oct 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
script_tag(name:"creation_date", value:"2019-11-13 09:08:41 +0530 (Wed, 13 Nov 2019)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB4523205)");
script_tag(name:"summary", value:"This host is missing a critical security
update according to Microsoft KB4523205");
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 DirectWrite improperly discloses the contents of its memory.
- Microsoft Hyper-V Network Switch on a host server fails to properly validate
input from a privileged user on a guest operating system.
- Windows Installer improperly handles certain filesystem operations.
- Windows Error Reporting (WER) improperly handles objects in memory.
- Windows TCP/IP stack improperly handles IPv6 flowlabel filled in packets.
- The win32k component improperly provides kernel information.
- Windows Data Sharing Service improperly handles file operations.
- Windows Universal Plug and Play (UPnP) service improperly allows COM object
creation.
Please see the references for more information about the vulnerabilities.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to disclose sensitive information, cause the host server to crash, execute code
with elevated permissions, elevate privileges and bypass security restrictions.");
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/help/4523205");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 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);
}
sysPath = smb_get_system32root();
if(!sysPath)
exit(0);
dllVer = fetch_file_version(sysPath:sysPath, file_name:"Userenv.dll");
if(!dllVer)
exit(0);
if(version_in_range(version:dllVer, test_version:"10.0.17763.0", test_version2:"10.0.17763.830")) {
report = report_fixed_ver(file_checked:sysPath + "\Userenv.dll",
file_version:dllVer, vulnerable_range:"10.0.17763.0 - 10.0.17763.830");
security_message(data:report);
exit(0);
}
exit(99);
CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
99.7%