OpenMediaVault Default Administrator Credentials

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(71525);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_name(english:"OpenMediaVault Default Administrator Credentials");
  script_summary(english:"Tries to login with default credentials");

  script_set_attribute(
    attribute:"synopsis",
    value:
"A web application is protected using default administrative
credentials."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The remote OpenMediaVault install uses a default set of credentials
('admin' / 'openmediavault') to control access to its management
interface.

With this information, an attacker could gain administrative access to
the application."
  );
  script_set_attribute(attribute:"see_also", value:"http://www.openmediavault.org/faq.html");
  script_set_attribute(
    attribute:"solution",
    value:
"Log into the application and personalize the account to change the
default login credentials."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:ND/RC:ND");

  script_set_attribute(attribute:"plugin_publication_date", value:"2013/12/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"default_account", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2013-2021 Tenable Network Security, Inc.");

  script_dependencies("openmediavault_webui_detect.nbin");
  script_exclude_keys("global_settings/supplied_logins_only");
  script_require_keys("www/openmediavault");
  script_require_ports("Services/www", 80);

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

port = get_http_port(default:80);

appname = "OpenMediaVault";
install = get_install_from_kb(appname:'openmediavault', port:port, exit_on_fail:TRUE);
dir = install['dir'];
install_url = build_url(port:port, qs:dir+"/");

if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);

# Clear the cookies, in case Nessus was given credentials.
clear_cookiejar();

user = 'admin';
pass = 'openmediavault';

# Obtain Session Cookie
url= '/';
res = http_send_recv3(method:"GET", item:url, port:port, exit_on_fail:TRUE);

val = get_http_cookie(name:"OMVSESSID");
if (isnull(val)) exit(1, "Failed to extract the session cookie from the " + appname + " install.");

data = '{"service":"Session","method":"login","params":{"username":"' + user + '","password":"' + pass + '"},"options":null}';

url = '/rpc.php';
res = http_send_recv3(
  method:"POST",
  item:url,
  port:port,
  content_type:"application/json",
  data:data,
  exit_on_fail:TRUE
);

if ('"authenticated":true' >< res[2])
{
  if (report_verbosity > 0)
  {
    header = 'Nessus was able to gain access using the following URL';
    trailer =
      'and the following set of credentials :\n' +
      '\n' +
      '  Username : ' + user + '\n' +
      '  Password : ' + pass;

    report = get_vuln_report(items:dir, port:port, header:header, trailer:trailer);
    security_hole(port:port, extra:report);
  }
  else security_hole(port);
  exit(0);
}
else audit(AUDIT_WEB_APP_NOT_AFFECTED, appname, install_url);