Sunny WebBox Hardcoded Credentials (HTTP)

# SPDX-FileCopyrightText: 2016 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:sma_solar_technology_ag:webbox_firmware";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.808204");
  script_version("2023-07-20T05:05:17+0000");
  script_cve_id("CVE-2015-3964");
  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:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-05-24 10:37:42 +0530 (Tue, 24 May 2016)");
  script_tag(name:"qod_type", value:"remote_vul");
  script_name("Sunny WebBox Hardcoded Credentials (HTTP)");

  script_tag(name:"summary", value:"Sunny WebBox is using known hardcoded credentials.");

  script_tag(name:"vuldetect", value:"Send a crafted request via HTTP POST and
  check whether it is able to login or not.");

  script_tag(name:"insight", value:"The flaw is due to:
  it was possible to login with hard-coded passwords 'User:0000'
  or 'Installer:1111' that cannot be changed or disabled by a user.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote
  attackers to gain full access to the system.");

  script_tag(name:"affected", value:"Sunny WebBox All versions.");

  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_tag(name:"solution_type", value:"WillNotFix");
  script_xref(name:"URL", value:"http://files.sma.de/dl/8584/Sicherheit-TEN103010.pdf");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/76617");
  script_xref(name:"URL", value:"https://ics-cert.us-cert.gov/advisories/ICSA-15-181-02A");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Default Accounts");
  script_dependencies("gb_sunny_webbox_remote_detect.nasl", "gb_default_credentials_options.nasl");
  script_mandatory_keys("Sunny/WebBox/Installed");
  script_require_ports("Services/www", 8080);
  script_exclude_keys("default_credentials/disable_default_account_checks");

  exit(0);
}

if(get_kb_item("default_credentials/disable_default_account_checks"))
  exit(0);

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

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

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

## Create hard-coded account list
## http://files.sma.de/dl/8584/Sicherheit-TEN103010.pdf
credentials = make_list("User:0000", "Installer:1111");
url = "/culture/index.dml";

host = http_host_name(port:port);

foreach credential(credentials)
{
  user_pass = split(credential, sep:":", keep:FALSE);

  user = chomp(user_pass[0]);
  pass = chomp(user_pass[1]);

  data = string("LangEN&" + "Userlevels=" + user + "&password=" + pass);
  len = strlen(data);

  req = 'POST /culture/login HTTP/1.1\r\n' +
        'Host: ' + host + '\r\n' +
        'Content-Length: ' + len + '\r\n' +
        '\r\n' +
        data;
  res = http_keepalive_send_recv(port:port, data:req);

  if(res =~ "^HTTP/1\.[01] 200" && 'name="Sunny WebBox' >< res && 'Logout' >< res &&
     'name="My Plant' >< res &&
    ('title="Settings' >< res || 'title="Spot Values' >< res || 'title="Updates' >< res))
  {
    report = http_report_vuln_url(port:port, url:"/culture/login");
    report = report + '\n\nIt was possible to login using the following credentials:\n\n' + user + ':' + pass + '\n';
    security_message(port:port, data:report);
    exit(0);
  }
}

exit(99);