Microsoft Office Multiple Vulnerabilities (Dec 2018) - Mac OS X

# 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("1.3.6.1.4.1.25623.1.0.814711");
  script_version("2024-02-09T14:47:30+0000");
  script_cve_id("CVE-2018-8597", "CVE-2018-8627", "CVE-2018-8628");
  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:"2024-02-09 14:47:30 +0000 (Fri, 09 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:L/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:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
  script_tag(name:"creation_date", value:"2018-12-12 13:11:15 +0530 (Wed, 12 Dec 2018)");
  script_tag(name:"qod_type", value:"executable_version");
  script_name("Microsoft Office Multiple Vulnerabilities (Dec 2018) - Mac OS X");

  script_tag(name:"summary", value:"This host is missing an important security
  update for Microsoft Office 2016/2019 on Mac OS X according to Microsoft security
  update December 2018");

  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 error in Microsoft Excel because it fails to properly handle objects in memory.

  - An error when Microsoft Excel software reads out of bound memory due to an
    uninitialized variable.

  - An error in Microsoft PowerPoint because it fails to properly handle objects in memory.");


  script_tag(name:"impact", value:"Successful exploitation will allow an attacker
  who successfully exploited the vulnerability to execute arbitrary code and obtain
  information that could be useful for further exploitation.");

  script_tag(name:"affected", value:"- Microsoft Office 2016 on Mac OS X

  - Microsoft Office 2019 on Mac OS X");

  script_tag(name:"solution", value:"Upgrade to Microsoft Office 2016 version
  16.16.5 (Build 18120801) or Microsoft Office 2019 version 16.20.0 (Build 18120801)
  or later. Please see the references for more information.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/officeupdates/release-notes-office-2016-mac");
  script_xref(name:"URL", value:"https://docs.microsoft.com/en-us/officeupdates/release-notes-office-for-mac");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gb_microsoft_office_detect_macosx.nasl");
  script_mandatory_keys("MS/Office/MacOSX/Ver");
  exit(0);
}

include("version_func.inc");

if(!vers = get_kb_item("MS/Office/MacOSX/Ver"))
  exit(0);

if(vers =~ "^1[56]\.") {

  if(version_is_less(version:vers, test_version:"16.16.5"))
    fix = "16.16.5";

  else if(vers =~ "^16\.1[789]\." && version_is_less(version:vers, test_version:"16.20.0"))
    fix = "16.20.0";

}

if(fix) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);