Vulnerabilities > CVE-1999-0571

#
#
# This script was written by Giovanni Fiaschi <[email protected]>
#
# See the Nessus Scripts License for details
# Script audit and contributions from Carmichael Security
#      Erik Anderson <[email protected]> (nb: domain no longer exists)
#      Added BugtraqID.  
#
# Changes by Tenable:
# - Updated to use compat.inc (11/16/09)
# - Changed formatting and removed French (3/26/2009)
# - Revised title (12/22/2008)


include("compat.inc");

if (description)
{
   script_id(10714);
   script_version("1.30");
   script_cvs_date("Date: 2018/08/07 16:46:51");

   script_cve_id("CVE-1999-0571");
   script_bugtraq_id(3161);
   
   script_name(english:"ZyXEL Router Default Telnet Password Present");
   script_summary(english:"Logs into the ZyXEL router");

   script_set_attribute(attribute:"synopsis", value:
"The remote host is a router with its default password set.");
   script_set_attribute(attribute:"description", value:
"The remote host is a ZyXEL router with a default password. An attacker could
telnet to it and reconfigure it to lock the owner out and prevent him from
using his Internet connection, or create a dial-in user to connect directly
to the LAN attached to it.");
   script_set_attribute(attribute:"solution", value:
"Telnet to this router and set a password immediately.");
   script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
   script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
   script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
   script_set_attribute(attribute:"exploit_available", value:"false");

   script_set_attribute(attribute:"plugin_publication_date", value:"2001/08/13");
   script_set_attribute(attribute:"vuln_publication_date", value:"2002/09/12");

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

   script_category(ACT_GATHER_INFO);
 
   script_copyright(english:"This script is Copyright (C) 2001-2018 Giovanni Fiaschi");
   script_family(english:"Misc.");
   script_require_ports(23);
 
   exit(0);
}


port = 23;
if(get_port_state(port))
{
 soc = open_sock_tcp(port);
 if(soc)
 {
   r = recv(socket:soc, length:8192);
   if ( "Password:" >!< r ) exit(0);
   s = string("1234\r\n");
   send(socket:soc, data:s);
   r = recv(socket:soc, length:8192);
   close(soc);
   if("ZyXEL" >< r || "ZyWALL" >< r )security_hole(port:port, extra:'\nAfter logging in using the password "1234", Nessus read this :\n\n  ' + r + '\n');
 }
}

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(17304);
  script_version("1.21");
  script_cvs_date("Date: 2018/08/07 16:46:51");
  script_bugtraq_id(6671);

  script_cve_id("CVE-2001-1135", "CVE-1999-0571");

  script_name(english:"ZyXEL Routers Default Web Account");
  script_summary(english:"Logs into the ZyXEL web administration");

  script_set_attribute(attribute:"synopsis", value:"The remote host is a router that uses a default web password.");
  script_set_attribute(attribute:"description", value:
"The remote host is a ZyXEL router with a default password set.  An
attacker could connect to the web interface and reconfigure it.");
  script_set_attribute(attribute:"solution", value:"Change the password immediately.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2002/09/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/03/10");

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

  script_category(ACT_GATHER_INFO);

  script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
  script_family(english:"Misc.");

  script_dependencies("http_version.nasl");
  script_exclude_keys("global_settings/supplied_logins_only");
  script_require_ports(80);
  exit(0);
}

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

if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);

port = get_http_port(default:80, embedded: 1);
# if ( ! port || port != 80 ) exit(0);

banner = get_http_banner(port:port);
if ( "ZyXEL-RomPager" >!< banner ) exit(0, "The web server listening on port "+port+" does not look like a ZyXEL web interface.");

r = http_send_recv3(port: port, method: "GET", item: "/", username: "", password: "", exit_on_fail:TRUE);
if (r[0] !~ "^HTTP/1\.[01] +401 ") exit(0, "The ZyXEL web interface listening on port "+port+" does not require credentials.");

r = http_send_recv3(method: "GET", port: port, item: "/", username: "admin", password: "1234", exit_on_fail:TRUE);

if (r[0] =~ "^HTTP/1\.[01] +200 ")
{
  security_hole(port);
  exit(0);
}
else audit(AUDIT_LISTEN_NOT_VULN, "ZyXEL web interface", port);