TeamPass Default Admin 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:/a:teampass:teampass";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108025");
  script_version("2025-01-21T05:37:33+0000");
  script_tag(name:"last_modification", value:"2025-01-21 05:37:33 +0000 (Tue, 21 Jan 2025)");
  script_tag(name:"creation_date", value:"2016-12-13 10:00:00 +0100 (Tue, 13 Dec 2016)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("TeamPass Default Admin Credentials (HTTP)");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Default Accounts");
  script_dependencies("gb_teampass_http_detect.nasl", "gb_default_credentials_options.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("teampass/http/detected");
  script_exclude_keys("default_credentials/disable_default_account_checks");

  script_tag(name:"summary", value:"TeamPass is using default admin credentials for the web login.");

  script_tag(name:"vuldetect", value:"Checks if it is possible to login with default admin
  credentials via HTTP.");

  script_tag(name:"impact", value:"This issue may be exploited by a remote attacker to gain access
  to sensitive information.");

  script_tag(name:"insight", value:"It was possible to login with default credentials
  'admin:admin'.");

  script_tag(name:"solution", value:"Change the password of the 'admin' account.");

  script_tag(name:"solution_type", value:"Workaround");
  script_tag(name:"qod_type", value:"remote_app");

  exit(0);
}

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

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

if( ! port = get_app_port( cpe:CPE, service:"www" ) )
  exit( 0 );

if( ! dir = get_app_location( cpe:CPE, port:port ) )
  exit( 0 );

if( dir == "/" )
  dir = "";

foreach posturl( make_list( "/sources/main.queries.php", "/sources/identify.php" ) ) {

  url = dir + "/index.php";
  req = http_get( item:url, port:port );
  res = http_keepalive_send_recv( port:port, data:req );

  cookie = eregmatch( pattern:"Set-Cookie: (PHPSESSID=[A-Za-z0-9;]+)", string:res );
  if( ! isnull( cookie[1] ) )
    cookie = cookie[1];

  keycookie = eregmatch( pattern:"(KEY_PHPSESSID=[A-Za-z0-9;%]+)", string:res );
  if( ! isnull( keycookie[1] ) )
    cookie += " " + keycookie[1];

  if( isnull( cookie ) )
    continue;

  csrfcookie = eregmatch( pattern:"Set-Cookie: ([a-z0-9]+=[a-z0-9;]+)", string:res );
  if( ! isnull( csrfcookie[1] ) )
    cookie += " " + csrfcookie[1];

  encrypted = eregmatch( pattern:'id="encryptClientServer" value="([01]+)"', string:res );
  if( encrypted[1] == "1" )
    continue; # TODO: We currently don't have AES CTR encrypt/decrypt support in the libs

  # The random string is included in the response on a successful login
  randomstring = rand_str( length:10, charset:"0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz" );
  logindata = '{"login":"admin" , "pw":"admin" , "duree_session":"1" , "screenHeight":"1080" , "randomstring":"' + randomstring + '"}';
  postdata = "type=identify_user&data=" + logindata;

  if( ! isnull( csrfcookie[1] ) )
    postdata += "&" + csrfcookie[1] - ";";

  posturl = dir + posturl;

  req = http_post_put_req( port:port, url:posturl, data:postdata,
                           accept_header:"application/json, text/javascript, */*; q=0.01",
                           add_headers:make_array( "Content-Type", "application/x-www-form-urlencoded", "Cookie", cookie ) );
  res = http_keepalive_send_recv( port:port, data:req );

  if( "Hacking attempt..." >!< res && res =~ "^HTTP/1\.[01] 200" && "user_admin" >< res && randomstring >< res ) {
    report = "It was possible to login to the URL " + http_report_vuln_url( port:port, url:url, url_only:TRUE ) + " with the default credentials 'admin:admin'.";
    security_message( port:port, data:report );
    exit( 0 );
  }
}

exit( 99 );