BEWARD Intercom <= 2.3.4 Security Bypass Vulnerability - Windows

# SPDX-FileCopyrightText: 2019 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("1.3.6.1.4.1.25623.1.0.107484");
  script_version("2025-09-16T05:38:45+0000");
  script_tag(name:"last_modification", value:"2025-09-16 05:38:45 +0000 (Tue, 16 Sep 2025)");
  script_tag(name:"creation_date", value:"2019-01-28 11:45:50 +0100 (Mon, 28 Jan 2019)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"qod_type", value:"registry");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("BEWARD Intercom <= 2.3.4 Security Bypass Vulnerability - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("General");
  script_dependencies("gb_beward_intercom_detect_win.nasl");
  script_mandatory_keys("beward/intercom/win/detected");

  script_tag(name:"summary", value:"BEWARD Intercom on Windows is prone to a security bypass vulnerability.");

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

  script_tag(name:"insight", value:"The application stores logs and sensitive information in an unencrypted binary
  file called BEWARD.INTERCOM.FDB.");

  script_tag(name:"impact", value:"A local attacker that has access to the current user session can successfully
  disclose plain-text credentials that can be used to bypass authentication to the affected IP camera and door
  station and bypass access control in place.");

  script_tag(name:"affected", value:"BEWARD Intercom on Windows versions through 2.3.4.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the
  disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade
  to a newer release, disable respective features, remove the product or replace the product by another one.");

  script_xref(name:"URL", value:"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5505.php");

  exit(0);
}

CPE = "cpe:/a:beward:intercom";

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

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

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

if(version_is_less_equal(version: version, test_version: "2.3.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "None", install_path: path);
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);