8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access 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
0.302 Low
EPSS
Percentile
96.9%
This host is missing a critical security
update according to Microsoft KB4586787
# 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("1.3.6.1.4.1.25623.1.0.817533");
script_version("2024-01-03T05:05:19+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-2020-1599", "CVE-2020-16997", "CVE-2020-16998", "CVE-2020-16999",
"CVE-2020-17000", "CVE-2020-17001", "CVE-2020-17004", "CVE-2020-17007",
"CVE-2020-17011", "CVE-2020-17014", "CVE-2020-17024", "CVE-2020-17025",
"CVE-2020-17026", "CVE-2020-17027", "CVE-2020-17028", "CVE-2020-17029",
"CVE-2020-17031", "CVE-2020-17032", "CVE-2020-17033", "CVE-2020-17034",
"CVE-2020-17036", "CVE-2020-17037", "CVE-2020-17038", "CVE-2020-17040",
"CVE-2020-17041", "CVE-2020-17042", "CVE-2020-17043", "CVE-2020-17044",
"CVE-2020-17045", "CVE-2020-17046", "CVE-2020-17047", "CVE-2020-17052",
"CVE-2020-17054", "CVE-2020-17055", "CVE-2020-17056", "CVE-2020-17058",
"CVE-2020-17068", "CVE-2020-17069", "CVE-2020-17071", "CVE-2020-17075",
"CVE-2020-17087", "CVE-2020-17088", "CVE-2020-17113");
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:"2024-01-03 05:05:19 +0000 (Wed, 03 Jan 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-11-19 17:29:00 +0000 (Thu, 19 Nov 2020)");
script_tag(name:"creation_date", value:"2020-11-11 11:07:55 +0530 (Wed, 11 Nov 2020)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB4586787)");
script_tag(name:"summary", value:"This host is missing a critical security
update according to Microsoft KB4586787");
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:
- Incorrect processing of user-supplied data in Windows.
- Error in excessive data output in the Remote Desktop Protocol server.
- Error in use after free memory in DirectX driver.
- Error when the Windows WalletService fails to properly impose security restrictions.
- Error in excessive data output by the application in Windows Graphics Component.
For more information about the vulnerabilities refer to Reference links.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
to execute arbitrary code, elevate privilges and disclose sensitive information.");
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/help/4586787");
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");
fileVer = "";
dllPath = "";
report = "";
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:"10.0.10240.18755"))
{
report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
file_version:fileVer, vulnerable_range:"10.0.10240.0 - 10.0.10240.18755");
security_message(data:report);
exit(0);
}
exit(99);
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access 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
0.302 Low
EPSS
Percentile
96.9%