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openvasCopyright (C) 2023 Greenbone AGOPENVAS:1361412562310832363
HistoryAug 08, 2023 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5021255)

2023-08-0800:00:00
Copyright (C) 2023 Greenbone AG
plugins.openvas.org
5
microsoft windows 11 version 22h2
multiple vulnerabilities
security update
privilege elevation
arbitrary command execution
security feature bypass
information disclosure
dos attacks
reference links

8.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.7%

This host is missing an important security
update according to Microsoft KB5021255

# SPDX-FileCopyrightText: 2023 Greenbone AG
# 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-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.832363");
  script_version("2023-10-13T05:06:10+0000");
  script_cve_id("CVE-2022-41094", "CVE-2022-41076", "CVE-2022-44710", "CVE-2022-44707",
                "CVE-2022-44697", "CVE-2022-44689", "CVE-2022-44683", "CVE-2022-44682",
                "CVE-2022-44681", "CVE-2022-44680", "CVE-2022-44679", "CVE-2022-44677",
                "CVE-2022-44678", "CVE-2022-44676", "CVE-2022-44675", "CVE-2022-44674",
                "CVE-2022-44671", "CVE-2022-44670", "CVE-2022-44669", "CVE-2022-44668",
                "CVE-2022-44667", "CVE-2022-44666", "CVE-2022-41121", "CVE-2022-41077",
                "CVE-2022-41074");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:S/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:H/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:"2022-12-13 19:25:00 +0000 (Tue, 13 Dec 2022)");
  script_tag(name:"creation_date", value:"2023-08-08 12:00:40 +0530 (Tue, 08 Aug 2023)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5021255)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB5021255");

  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:

  - Microsoft PowerShell Remote Code Execution Vulnerability.

  - Windows Graphics Component Remote Code Execution Vulnerability.

  - Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability.

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

  script_tag(name:"impact", value:"Successful exploitation would allow an
  attacker to elevate privileges, execute arbitrary commands, bypass security
  feature, disclose information and conduct DoS attacks.");

  script_tag(name:"affected", value:"Microsoft Windows 11 version 22H2 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/5021255");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 Greenbone AG");
  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(win11:1) <= 0) {
  exit(0);
}

key = "SOFTWARE\Microsoft\Windows NT\CurrentVersion";
if(!registry_key_exists(key:key)) {
  exit(0);
}

build = registry_get_sz(key:key, item:"CurrentBuild");
if(!build) {
  exit(0);
}

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

fileVer = fetch_file_version(sysPath:dllPath, file_name:"\system32\user32.dll");
if(!fileVer) {
  exit(0);
}

if(version_in_range(version:fileVer, test_version:"10.0.22621.0", test_version2:"10.0.22621.962")) {
  report = report_fixed_ver(file_checked:dllPath + "\system32\user32.dll", file_version:fileVer, vulnerable_range:"10.0.22621.0 - 10.0.22621.962");

  security_message(port:0, data:report);
  exit(0);
}

exit(99);

8.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

0.01 Low

EPSS

Percentile

83.7%