9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.975 High
EPSS
Percentile
100.0%
This host is missing a critical security
update according to Microsoft KB4534271
# 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("1.3.6.1.4.1.25623.1.0.815742");
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-2020-0601", "CVE-2020-0607", "CVE-2020-0612", "CVE-2020-0615",
"CVE-2020-0617", "CVE-2020-0623", "CVE-2020-0608", "CVE-2020-0609",
"CVE-2020-0610", "CVE-2020-0611", "CVE-2020-0614", "CVE-2020-0613",
"CVE-2020-0620", "CVE-2020-0622", "CVE-2020-0625", "CVE-2020-0626",
"CVE-2020-0627", "CVE-2020-0628", "CVE-2020-0629", "CVE-2020-0630",
"CVE-2020-0631", "CVE-2020-0632", "CVE-2020-0633", "CVE-2020-0634",
"CVE-2020-0635", "CVE-2020-0637", "CVE-2020-0639", "CVE-2020-0644",
"CVE-2020-0641", "CVE-2020-0642", "CVE-2020-0643", "CVE-2020-0606",
"CVE-2020-0646", "CVE-2020-0640", "CVE-2020-0605");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/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:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-01-17 21:16:00 +0000 (Fri, 17 Jan 2020)");
script_tag(name:"creation_date", value:"2020-01-15 08:57:53 +0530 (Wed, 15 Jan 2020)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB4534271)");
script_tag(name:"summary", value:"This host is missing a critical security
update according to Microsoft KB4534271");
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 when it fails to properly
handle objects in memory.
- Windows Search Indexer improperly handles objects in memory.
- win32k component improperly provides kernel information.
- Microsoft Windows Graphics Component improperly handles objects in
memory.
- Microsoft Windows implements predictable memory section names.
- Windows Media Service allows file creation in arbitrary locations.
- Internet Explorer improperly accesses objects in memory.
- Windows Graphics Device Interface Plus (GDI+) improperly handles objects
in memory.
- Remote Desktop Web Access improperly handles credential information.
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 privilges, disclose sensitive
information, conduct denial of service and spoofing attacks.");
script_tag(name:"affected", value:"- Microsoft Windows 10 Version 1607 x32/x64
- Microsoft Windows Server 2016");
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/4534271");
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(win10:1, win10x64:1, win2016:1) <= 0){
exit(0);
}
sysPath = smb_get_system32root();
if(!sysPath)
exit(0);
dllVer = fetch_file_version(sysPath:sysPath, file_name:"User32.dll");
if(!dllVer)
exit(0);
if(version_in_range(version:dllVer, test_version:"10.0.14393.0", test_version2:"10.0.14393.3442")) {
report = report_fixed_ver(file_checked:sysPath + "\User32.dll",
file_version:dllVer, vulnerable_range:"10.0.14393.0 - 10.0.14393.3442");
security_message(data:report);
exit(0);
}
exit(99);
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.975 High
EPSS
Percentile
100.0%