D-Link DSL-2875AL Password Disclosure Vulnerability

# 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("1.3.6.1.4.1.25623.1.0.114134");
  script_version("2025-06-26T05:40:52+0000");
  script_tag(name:"last_modification", value:"2025-06-26 05:40:52 +0000 (Thu, 26 Jun 2025)");
  script_tag(name:"creation_date", value:"2019-09-25 12:50:05 +0200 (Wed, 25 Sep 2019)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-03-25 19:58:00 +0000 (Wed, 25 Mar 2020)");

  script_cve_id("CVE-2019-15655");

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

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

  script_name("D-Link DSL-2875AL Password Disclosure Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_dlink_dsl_consolidation.nasl");
  script_mandatory_keys("d-link/dsl/http/detected");

  script_tag(name:"summary", value:"D-Link DSL-2875AL is prone to a password disclosure
  vulnerability.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"insight", value:"It is possible to acquire lots of information about all accounts
  and the network, including usernames and their passwords in plaintext by examining the response for
  /romfile.cfg.");

  script_tag(name:"affected", value:"D-Link DSL-2875AL through firmware version 1.00.05.");

  script_tag(name:"solution", value:"Update firmware to version 1.00.08AU 20161011 or later.");

  script_xref(name:"URL", value:"https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=26165");

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");

CPE = "cpe:/o:dlink:dsl-2875al_firmware";

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

if(!get_app_location(cpe: CPE, port: port, nofork: TRUE))
  exit(0);

url = "/romfile.cfg";

if(http_vuln_check(port: port, url: url, pattern: "<Account>", extra_check: "web_passwd=")) {
  report = "It was possible to access sensitive user information through: " + http_report_vuln_url(port: port, url: url, url_only: TRUE);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);