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HistoryAug 11, 2021 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB5005088)

2021-08-1100:00:00
Copyright (C) 2021 Greenbone Networks GmbH
plugins.openvas.org
12
microsoft windows
kb5005088
multiple vulnerabilities
elevation of privilege
security feature bypass
remote code execution
sensitive data access
spoofing
privilege elevation
windows server 2008 r2
windows 7

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.9

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

7.9

Confidence

High

EPSS

0.815

Percentile

98.4%

This host is missing a critical security
update according to Microsoft KB5005088

# Copyright (C) 2021 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("1.3.6.1.4.1.25623.1.0.817744");
  script_version("2024-01-01T05:05:52+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-2021-26424", "CVE-2021-26425", "CVE-2021-34480", "CVE-2021-34483",
                "CVE-2021-34484", "CVE-2021-34533", "CVE-2021-34535", "CVE-2021-34537",
                "CVE-2021-36927", "CVE-2021-36936", "CVE-2021-36937", "CVE-2021-36942",
                "CVE-2021-36947", "CVE-2021-34481");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-01-01 05:05:52 +0000 (Mon, 01 Jan 2024)");
  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:"2023-12-28 20:15:00 +0000 (Thu, 28 Dec 2023)");
  script_tag(name:"creation_date", value:"2021-08-11 13:34:32 +0530 (Wed, 11 Aug 2021)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB5005088)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB5005088");

  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:

  - An elevation of privilege vulnerability in Windows Common Log File System Driver.

  - A security feature bypass vulnerability in Kerberos AppContainer.

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

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to perform remote code execution, gain access to potentially sensitive data,
  conduct spoofing and elevate privileges.");

  script_tag(name:"affected", value:"- Microsoft Windows Server 2008 R2 for x64-based Systems Service Pack 1

  - Microsoft Windows 7 for x64-based Systems Service Pack 1

  - Microsoft Windows 7 for 32-bit 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/5005088");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 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:"spoolsv.exe");
if(!fileVer){
  exit(0);
}

if(version_is_less(version:fileVer, test_version:"6.1.7601.25685"))
{
  report = report_fixed_ver(file_checked:dllPath + "\spoolsv.exe",
                            file_version:fileVer, vulnerable_range:"Less than 6.1.7601.25685");
  security_message(data:report);
  exit(0);
}
exit(99);

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.9

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

7.9

Confidence

High

EPSS

0.815

Percentile

98.4%