D-Link DIR-815 Rev.B < 2.03 HTTP Command Injection Vulnerability

# 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:/o:dlink:dir-815_firmware";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112257");
  script_version("2023-11-21T05:05:52+0000");
  script_tag(name:"last_modification", value:"2023-11-21 05:05:52 +0000 (Tue, 21 Nov 2023)");
  script_tag(name:"creation_date", value:"2018-04-17 09:55:34 +0200 (Tue, 17 Apr 2018)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:"2018-05-18 13:29:00 +0000 (Fri, 18 May 2018)");

  script_cve_id("CVE-2014-8888");

  script_tag(name:"qod_type", value:"remote_banner");

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

  script_name("D-Link DIR-815 Rev.B < 2.03 HTTP Command Injection Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_dlink_dir_consolidation.nasl");
  script_mandatory_keys("d-link/dir/detected", "d-link/dir/hw_version");

  script_tag(name:"summary", value:"D-Link Router DIR-815 Rev.B is prone to an HTTP command injection
  vulnerability.");

  script_tag(name:"vuldetect", value:"The script checks if the target is an affected device running a
  vulnerable firmware version.");

  script_tag(name:"insight", value:"The remote administration interface allows remote attackers to
  execute arbitrary commands via vectors related to an 'HTTP command injection issue.'");

  script_tag(name:"affected", value:"D-Link DIR-815 Rev.B before version 2.03.B02.");

  script_tag(name:"solution", value:"Update to version 2.03.B02.");

  script_xref(name:"URL", value:"ftp://ftp2.dlink.com/SECURITY_ADVISEMENTS/DIR-815/REVB/DIR-815_REVB_FIRMWARE_PATCH_NOTES_2.03.B02_EN.PDF");
  script_xref(name:"URL", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/110755");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

# cpe:/o:dlink:dir-815_firmware:2.06
if (!fw_vers = get_app_version(cpe: CPE, port: port))
  exit(0);

# e.g. B1
if (!hw_vers = get_kb_item("d-link/dir/hw_version"))
  exit(0);

hw_vers = toupper(hw_vers);

if (hw_vers =~ "^B" && version_is_less(version: fw_vers, test_version: "2.03")) {
  report = report_fixed_ver(installed_version: fw_vers, fixed_version: "2.03.B02", extra: "Hardware revision: " + hw_vers);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);