Microsoft Office Word Viewer Memory Corruption Vulnerability (KB4011641)

# 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("1.3.6.1.4.1.25623.1.0.812723");
  script_version("2023-07-20T05:05:17+0000");
  script_cve_id("CVE-2018-0797");
  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: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:"2018-01-10 19:53:05 +0530 (Wed, 10 Jan 2018)");
  script_name("Microsoft Office Word Viewer Memory Corruption Vulnerability (KB4011641)");

  script_tag(name:"summary", value:"This host is missing an important security
  update according to Microsoft KB4011641");

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

  script_tag(name:"insight", value:"The flaw is due to Office software fails to
  properly handle RTF files.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to run arbitrary code in the context of the current user. If the current user
  is logged on with administrative user rights, an attacker could take control
  of the affected system.");

  script_tag(name:"affected", value:"Microsoft Office Word Viewer.");

  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/4011641");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("secpod_office_products_version_900032.nasl");
  script_mandatory_keys("SMB/Office/WordView/Version");

  exit(0);
}

include("smb_nt.inc");
include("host_details.inc");
include("version_func.inc");
include("secpod_smb_func.inc");

wordviewVer = get_kb_item("SMB/Office/WordView/Version");
if(!wordviewVer){
  exit(0);
}

wordviewPath = get_kb_item("SMB/Office/WordView/Install/Path");
if(!wordviewPath){
  wordviewPath = "Unable to fetch the install path";
}

if(wordviewVer =~ "^11\." && version_is_less(version:wordviewVer, test_version:"11.0.8446"))
{
  report = report_fixed_ver(file_checked:wordviewPath + "wordview.exe",
                            file_version:wordviewVer, vulnerable_range:"11.0 - 11.0.8445");
  security_message(data:report);
  exit(0);
}
exit(0);