LibreOffice 'WEBSERVICE formula' Remote File Disclosure Vulnerability - Windows

# 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

CPE = "cpe:/a:libreoffice:libreoffice";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108332");
  script_version("2025-10-29T05:40:29+0000");
  script_cve_id("CVE-2018-6871");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"2025-10-29 05:40:29 +0000 (Wed, 29 Oct 2025)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  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:"2018-02-12 12:24:46 +0100 (Mon, 12 Feb 2018)");
  script_name("LibreOffice 'WEBSERVICE formula' Remote File Disclosure Vulnerability - Windows");
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("General");
  script_dependencies("gb_libreoffice_smb_login_detect.nasl",
                      "gb_libreoffice_portable_wmi_login_detect.nasl");
  script_mandatory_keys("LibreOffice/Win/Ver");

  script_xref(name:"URL", value:"https://www.libreoffice.org/about-us/security/advisories/cve-2018-1055/");
  script_xref(name:"URL", value:"https://github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure");

  script_tag(name:"summary", value:"LibreOffice is prone to a remote file disclosure vulnerability.");

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

  script_tag(name:"impact", value:"Successful exploitation allows remote attackers
  to read arbitrary files via WEBSERVICE calls in a document, which use the
  COM.MICROSOFT.WEBSERVICE function.");

  script_tag(name:"affected", value:"LibreOffice versions before 5.4.5 and 6.x before 6.0.1.");

  script_tag(name:"solution", value:"Upgrade to LibreOffice version 5.4.5, 6.0.1 or later.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"registry");
  exit(0);
}

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

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) )
  exit( 0 );

vers = infos["version"];
path = infos["location"];

if( vers =~ "^5\." && version_is_less( version:vers, test_version:"5.4.5") ) {
  fix = "5.4.5 or 6.0.1";
}

if( vers =~ "^6\." && version_is_less( version:vers, test_version:"6.0.1") ) {
  fix = "6.0.1";
}

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

exit( 99 );