Security Updates for Microsoft Word Products (November 2018)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include("compat.inc");

if (description)
{
  script_id(118930);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/10");

  script_cve_id("CVE-2018-8573");
  script_bugtraq_id(105836);
  script_xref(name:"MSKB", value:"4461526");
  script_xref(name:"MSKB", value:"4461504");
  script_xref(name:"MSKB", value:"4461485");
  script_xref(name:"MSFT", value:"MS18-4461526");
  script_xref(name:"MSFT", value:"MS18-4461504");
  script_xref(name:"MSFT", value:"MS18-4461485");

  script_name(english:"Security Updates for Microsoft Word Products (November 2018)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Word Products are missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Word Products are missing a security update.
It is, therefore, affected by the following vulnerability :

  - A remote code execution vulnerability exists in
    Microsoft Word software when it fails to properly handle
    objects in memory. An attacker who successfully
    exploited the vulnerability could use a specially
    crafted file to perform actions in the security context
    of the current user. For example, the file could then
    take actions on behalf of the logged-on user with the
    same permissions as the current user.  (CVE-2018-8573)");
  # https://support.microsoft.com/en-us/help/4461526/description-of-the-security-update-for-word-2010-november-13-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0182e308");
  # https://support.microsoft.com/en-us/help/4461504/description-of-the-security-update-for-word-2016-november-13-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c3a54e87");
  # https://support.microsoft.com/en-us/help/4461485/description-of-the-security-update-for-word-2013-november-13-2018
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7d8271a2");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:  
  -KB4461526
  -KB4461504
  -KB4461485");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-8573");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/11/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/11/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:word");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("office_installed.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
  script_require_keys("SMB/MS_Bulletin_Checks/Possible");
  script_require_ports(139, 445, "Host/patch_management_checks");

  exit(0);
}

include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("smb_reg_query.inc");
include("install_func.inc");

global_var vuln;

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = "MS18-11";
kbs = make_list(
'4461526',
'4461504',
'4461485'
);

if (get_kb_item("Host/patch_management_checks"))
  hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);

get_kb_item_or_exit("SMB/Registry/Enumerated", exit_code:1);

port = kb_smb_transport();

checks = make_array(
  "14.0", make_array("sp", 2, "version", "14.0.7224.5000", "kb", "4461526"),
  "15.0", make_array("sp", 1, "version", "15.0.5085.1000", "kb", "4461485"),
  "16.0", make_nested_list(
    make_array("sp", 0, "version", "16.0.4771.1000", "channel", "MSI", "kb", "4461504")
  )
);

if (hotfix_check_office_product(product:"Word", checks:checks, bulletin:bulletin))
{
  replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_hole();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, 'affected');
}