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
AI Score
Confidence
High
EPSS
Percentile
87.4%
This host is missing an important security
update according to Microsoft KB5022338
# Copyright (C) 2023 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("1.3.6.1.4.1.25623.1.0.826831");
script_version("2023-10-13T05:06:10+0000");
script_cve_id("CVE-2023-21546", "CVE-2023-21543", "CVE-2023-21548", "CVE-2023-21555",
"CVE-2023-21556", "CVE-2023-21561", "CVE-2023-21679", "CVE-2023-21730",
"CVE-2023-21527", "CVE-2023-21532", "CVE-2023-21537", "CVE-2023-21541",
"CVE-2023-21542", "CVE-2023-21549", "CVE-2023-21552", "CVE-2023-21557",
"CVE-2023-21560", "CVE-2023-21563", "CVE-2023-21675", "CVE-2023-21678",
"CVE-2023-21680", "CVE-2023-21681", "CVE-2023-21682", "CVE-2023-21726",
"CVE-2023-21728", "CVE-2023-21732", "CVE-2023-21746", "CVE-2023-21748",
"CVE-2023-21750", "CVE-2023-21757", "CVE-2023-21774", "CVE-2023-21525",
"CVE-2023-21765", "CVE-2023-21752", "CVE-2023-21776", "CVE-2023-21749",
"CVE-2023-21772", "CVE-2023-21524", "CVE-2023-21747", "CVE-2023-21773",
"CVE-2023-21754", "CVE-2023-21760");
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:"2023-10-13 05:06:10 +0000 (Fri, 13 Oct 2023)");
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:"2023-01-10 22:15:00 +0000 (Tue, 10 Jan 2023)");
script_tag(name:"creation_date", value:"2023-01-11 10:00:19 +0530 (Wed, 11 Jan 2023)");
script_name("Microsoft Windows Multiple Vulnerabilities (KB5022338)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB5022338");
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:
- A Remote Code Execution Vulnerability in Windows Layer 2 Tunneling Protocol.
- An elevation of privilege vulnerability in Windows Kernel.
- A Denial of Service Vulnerability in Windows Layer 2 Tunneling Protocol.
For more information about the vulnerabilities refer to Reference links.");
script_tag(name:"impact", value:"Successful exploitation will allow an
attacker to elevate privileges, execute arbitrary commands, disclose
information and conduct DoS attacks.");
script_tag(name:"affected", value:"- Microsoft Windows 7 for 32-bit Systems Service Pack 1
- Microsoft Windows 7 for x64-based Systems Service Pack 1
- Microsoft Windows Server 2008 R2 for x64-based Systems Service Pack 1");
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/50122338");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 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(win2008r2:2, win7x64:2, win7:2) <= 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_is_less(version:fileVer, test_version:"6.1.7601.26321"))
{
report = report_fixed_ver(file_checked:dllPath + "\Ntoskrnl.exe",
file_version:fileVer, vulnerable_range:"Less than 6.1.7601.26321");
security_message(data:report);
exit(0);
}
exit(99);
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
AI Score
Confidence
High
EPSS
Percentile
87.4%