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openvasCopyright (C) 2018 Greenbone AGOPENVAS:1361412562310814276
HistoryNov 14, 2018 - 12:00 a.m.

Microsoft Windows Security Bypass and Latest Servicing Stack Updates-Defense in Depth (KB4465664)

2018-11-1400:00:00
Copyright (C) 2018 Greenbone AG
plugins.openvas.org
27

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5.1 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

20.7%

This host is missing an important security
update according to Microsoft KB4465664.

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.814276");
  script_version("2023-07-20T05:05:17+0000");
  script_cve_id("CVE-2018-8566");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
  script_tag(name:"creation_date", value:"2018-11-14 10:23:34 +0530 (Wed, 14 Nov 2018)");
  script_name("Microsoft Windows Security Bypass and Latest Servicing Stack Updates-Defense in Depth (KB4465664)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4465664.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
  on the target host.");

  script_tag(name:"insight", value:"A security feature bypass flaw exists when
  Windows improperly suspends BitLocker Device Encryption. Also Microsoft has
  released latest servicing stack updates that provides enhanced security as a
  defense in depth measure.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to bypass a security control.");

  script_tag(name:"affected", value:"Microsoft Windows 10 version 1809 for 32-bit/x64.");

  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/4465664");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/105602");
  script_xref(name:"URL", value:"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8566");
  script_xref(name:"URL", value:"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV990001");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("smb_reg_service_pack.nasl", "gb_wmi_access.nasl", "lsc_options.nasl");
  script_mandatory_keys("SMB/WindowsVersion", "WMI/access_successful");
  script_exclude_keys("win/lsc/disable_wmi_search");

  exit(0);
}

include("smb_nt.inc");
include("wmi_file.inc");
include("list_array_func.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("misc_func.inc");

if(hotfix_check_sp(win10:1, win10x64:1) <= 0)
  exit(0);

infos = kb_smb_wmi_connectinfo();
if(!infos)
  exit(0);

handle = wmi_connect(host:infos["host"], username:infos["username_wmi_smb"], password:infos["password"]);
if(!handle)
  exit(0);

fileList = wmi_file_fileversion(handle:handle, fileName:"drvstore", fileExtn:"dll", includeHeader:FALSE);
wmi_close(wmi_handle:handle);
if(!fileList || !is_array(fileList))
  exit(0);

max_version = ""; # nb: To make openvas-nasl-lint happy...
foreach filePath(keys(fileList)) {

  vers = fileList[filePath];
  if(vers =~ "^10\.0" && version = eregmatch(string:vers, pattern:"^([0-9.]+)")) {
    if(max_version && version_is_less_equal(version:version[1], test_version:max_version)) {
      continue;
    } else {
      max_version = version[1];
      path = filePath;
    }
  }
}

if(max_version && version_in_range(version:max_version, test_version:"10.0.17763.0", test_version2:"10.0.17763.131")) {
  report = report_fixed_ver(file_checked:path,
                            file_version:max_version, vulnerable_range:"10.0.17763.0 - 10.0.17763.131");
  security_message(data:report);
  exit(0);
}

exit(99);

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5.1 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

20.7%