PunBB Detection

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

include("compat.inc");

if (description)
{
  script_id(15936);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/06/01");

  script_name(english:"PunBB Detection");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains an electronic forum application written
in PHP.");
  script_set_attribute(attribute:"description", value:
"The remote host is running PunBB, an open source discussion board written in PHP.");
  script_set_attribute(attribute:"see_also", value:"http://www.punbb.org/");
  script_set_attribute(attribute:"solution", value:
"n/a");
  script_set_attribute(attribute:"risk_factor", value:"None");

  script_set_attribute(attribute:"plugin_publication_date", value:"2004/12/13");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"asset_inventory", value:"True");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:punbb:punbb");
  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) 2004-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

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_port_state(port)) exit(0);
if (!can_host_php(port:port)) exit(0);

# Search for punBB.
if (thorough_tests) dirs = list_uniq(make_list("/punbb", "/forum", "/forums", cgi_dirs()));
else dirs = make_list(cgi_dirs());

foreach dir (dirs) {
  r = http_get_cache_ka(item:string(dir, "/index.php"), port:port);
  if ( r == NULL ) exit(0);

  pat = "Powered by .*http://www\\.punbb\\.org/.>PunBB";
  if ( egrep(pattern:pat, string:r) ) {
    if ( ! dir ) dir = "/";
    version=eregmatch(pattern:string(".*", pat, "</a><br>.+Version: (.+)<br>.*"),string:r);
    # nb: starting with 1.2, version display is optional and off by default
    #     but it's still useful to know that it's installed.
    if ( version == NULL ) {
      version = "unknown";
      report = string("An unknown version of PunBB is installed under ", dir, " on the remote host.");
    }
    else {
      version = version[1];
      report = string("PunBB version ", version, " is installed under ", dir, " on the remote host.");
    }

    security_note(port:port, extra:'\n'+report);

    set_kb_item(name:"www/" + port + "/punBB", value:version + " under " + dir);
    set_kb_item(name:"www/punBB", value:TRUE);

    exit(0);
  }
}