PunBB IMG Tag Client Side Scripting XSS

# OpenVAS Vulnerability Test
# $Id: punBB_img_xss.nasl 8023 2017-12-07 08:36:26Z teissa $
# Description: PunBB IMG Tag Client Side Scripting XSS
#
# Authors:
# David Maciejak <david dot maciejak at kyxar dot fr>
#
# Copyright:
# Copyright (C) 2004 David Maciejak
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#

tag_summary = "The remote web server contains a PHP application that is affected by
a cross-site scripting vulnerability. 

Description :

The remote version of PunBB is vulnerable to cross-site scripting
flaws because the application does not validate IMG tag.  With a
specially crafted URL, an attacker can cause arbitrary code execution
within a user's browser, resulting in a loss of integrity.";

tag_solution = "Update to PunBB version 1.0.1 or later.";

if(description)
{
 script_id(15937);
 script_version("$Revision: 8023 $");
 script_tag(name:"last_modification", value:"$Date: 2017-12-07 09:36:26 +0100 (Thu, 07 Dec 2017) $");
 script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
 script_bugtraq_id(11850);
 script_xref(name:"OSVDB", value:"7977");

 name = "PunBB IMG Tag Client Side Scripting XSS";

 script_name(name);
 script_tag(name:"cvss_base", value:"4.3");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

 
 
 script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"remote_banner");
 
 
 script_copyright("This script is Copyright (C) 2004 David Maciejak");
 
 family = "Web application abuses";
 script_family(family);
 script_dependencies("punBB_detect.nasl");
 script_exclude_keys("Settings/disable_cgi_scanning");
 script_require_ports("Services/www", 80);
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 script_xref(name : "URL" , value : "http://www.punbb.org/changelogs/1.0_to_1.0.1.txt");
 exit(0);
}

#
# The script code starts here
#

include('http_func.inc');

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

# Test an install.
install = get_kb_item(string("www/", port, "/punBB"));
if (isnull(install)) exit(0);
matches = eregmatch(string:install, pattern:"^(.+) under (/.*)$");
if (!isnull(matches)) {
  ver = matches[1];
  if (egrep(pattern: "^(0\.|1\.0[^.])",string:ver))
  {
    security_message(port);
    exit(0);
  }
}