Owl browse.php Authentication Bypass

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

# Ref:
#  Date: Tue, 13 May 2003 17:26:39 -0500
#  From: cdowns <[email protected]>
#  To: [email protected], [email protected]
#  Subject: Owl Intranet Engine - bypass admin

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

if (description)
{
  script_id(11626);
  script_version("1.19");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_name(english:"Owl browse.php Authentication Bypass");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has a PHP script that is affected by an
authentication bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote host is using owl intranet engine, an open source
file sharing utility written in php. There is a flaw in this 
application that may allow an attacker to browse files on 
this host without having to log in.");
  script_set_attribute(attribute:"solution", value:
"None at this time.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_set_attribute(attribute:"plugin_publication_date", value:"2003/05/14");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:owl:owl_intranet_engine");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2003-2022 Tenable Network Security, Inc.");

  script_dependencies("find_service1.nasl", "http_version.nasl");
  script_require_keys("www/PHP");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}

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


port = get_http_port(default:80, embedded: 0);
if(!can_host_php(port:port)) exit(0);

dir = list_uniq(make_list("/filemgr", cgi_dirs(),  "/intranet"));
		
foreach d (dir)
{
 w = http_send_recv3(method:"GET", item:d + "/browse.php", port:port);
 if (isnull(w)) exit(1, "The web server on port "+port+" did not answer");
 res = strcat(w[0], w[1], '\r\n', w[2]);
 if("User: <A HREF='prefs.php?owluser=2&sess=0&parent=1&expand=1&order=name&sortname=ASC'>Anonymous</A> " >< res )
 {
  w = http_send_recv3(method:"GET", item:d + "/browse.php?loginname=nessus&parent=1&expand=1&order=creatorid&sortposted=ASC", port:port);
  if (isnull(w)) exit(1, "The web server on port "+port+" did not answer");
  res = strcat(w[0], w[1], '\r\n', w[2]);
  if("User: <A HREF='prefs.php?owluser=&sess=0&parent=1&expand=1&order=creatorid&sortname=ASC'>Owl</A>" >< res)
  	{
	security_warning(port);
	exit(0);
	}
 }
}