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openvasCopyright (C) 2018 Greenbone AGOPENVAS:1361412562310813840
HistoryAug 15, 2018 - 12:00 a.m.

Microsoft Windows Multiple Vulnerabilities (KB4343887)

2018-08-1500:00:00
Copyright (C) 2018 Greenbone AG
plugins.openvas.org
120

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

7.1 High

AI Score

Confidence

Low

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

0.966 High

EPSS

Percentile

99.6%

This host is missing a critical security
update according to Microsoft KB4343887

# 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("1.3.6.1.4.1.25623.1.0.813840");
  script_version("2023-07-20T05:05:17+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-2018-3615", "CVE-2018-3620", "CVE-2018-3646", "CVE-2018-0952",
                "CVE-2018-8200", "CVE-2018-8204", "CVE-2018-8253", "CVE-2018-8266",
                "CVE-2018-8316", "CVE-2018-8339", "CVE-2018-8340", "CVE-2018-8341",
                "CVE-2018-8343", "CVE-2018-8344", "CVE-2018-8345", "CVE-2018-8347",
                "CVE-2018-8348", "CVE-2018-8349", "CVE-2018-8351", "CVE-2018-8353",
                "CVE-2018-8355", "CVE-2018-8357", "CVE-2018-8358", "CVE-2018-8360",
                "CVE-2018-8370", "CVE-2018-8371", "CVE-2018-8372", "CVE-2018-8373",
                "CVE-2018-8381", "CVE-2018-8385", "CVE-2018-8388", "CVE-2018-8389",
                "CVE-2018-8394", "CVE-2018-8398", "CVE-2018-8401", "CVE-2018-8403",
                "CVE-2018-8404", "CVE-2018-8405", "CVE-2018-8406");
  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:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2018-09-07 15:31:00 +0000 (Fri, 07 Sep 2018)");
  script_tag(name:"creation_date", value:"2018-08-15 11:42:20 +0530 (Wed, 15 Aug 2018)");
  script_name("Microsoft Windows Multiple Vulnerabilities (KB4343887)");

  script_tag(name:"summary", value:"This host is missing a critical security
  update according to Microsoft KB4343887");

  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 new speculative execution side channel vulnerability known as L1 Terminal
    Fault.

  - Diagnostics Hub Standard Collector allows file creation in arbitrary locations.

  - Multiple security bypass vulnerabilities exist in Device Guard.

  - Microsoft Cortana allows arbitrary website browsing on the lockscreen.

  - Chakra scripting engine improperly handles objects in memory in Microsoft Edge.

  - Internet Explorer improperly validates hyperlinks before loading executable
    libraries.

  - Windows Installer fails to properly sanitize input leading to an insecure library
    loading behavior.

  - Active Directory Federation Services (AD FS) improperly handles multi-factor
    authentication requests.

  - Windows kernel, DirectX Graphics Kernel (DXGKRNL) driver and Win32k component
    improperly handles objects in memory.

  - NDIS fails to check the length of a buffer prior to copying memory to it.

  - Windows font library improperly handles specially crafted embedded fonts.

  - An improper processing for a .LNK file.

  - Windows kernel fails to properly handle parsing of certain symbolic links.

  - 'Microsoft COM for Windows' fails to properly handle serialized objects.

  - Microsoft browsers improperly allow cross-frame interaction.

  - Microsoft browsers allowing sandbox escape.

  - Microsoft .NET Framework improperly access information in multi-tenant environments.

  - WebAudio Library improperly handles audio requests.

  - Windows GDI component improperly discloses the contents of its memory.");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  to execute arbitrary code, run processes in an elevated context, obtain
  information to further compromise the user's system, trick a user into believing
  that the user was on a legitimate website, read privileged data across trust
  boundaries and also bypass certain security restrictions.");

  script_tag(name:"affected", value:"- Microsoft Windows 10 Version 1607 x32/x64

  - Microsoft Windows Server 2016");

  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/4343887");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 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(win10:1, win10x64:1, win2016:1) <= 0){
  exit(0);
}

sysPath = smb_get_system32root();
if(!sysPath ){
  exit(0);
}

edgeVer = fetch_file_version(sysPath:sysPath, file_name:"edgehtml.dll");
if(!edgeVer){
  exit(0);
}

if(version_in_range(version:edgeVer, test_version:"11.0.14393.0", test_version2:"11.0.14393.2429"))
{
  report = report_fixed_ver(file_checked:sysPath + "\Edgehtml.dll",
                            file_version:edgeVer, vulnerable_range:"11.0.14393.0 - 11.0.14393.2429");
  security_message(data:report);
  exit(0);
}

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

7.1 High

AI Score

Confidence

Low

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

0.966 High

EPSS

Percentile

99.6%