Pinnacle ShowCenter Skin XSS

# SPDX-FileCopyrightText: 2004 David Maciejak
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

# Ref: Secunia Research

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.15485");
  script_version("2023-12-13T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-13 05:05:23 +0000 (Wed, 13 Dec 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_cve_id("CVE-2004-1700");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11415");
  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_name("Pinnacle ShowCenter Skin XSS");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2004 David Maciejak");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "httpver.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "cross_site_scripting.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 8000);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"solution", value:"Upgrade to the newest version of this software.");
  script_tag(name:"summary", value:"The remote host runs the Pinnacle ShowCenter web based interface.

  The remote version of this software is vulnerable to cross-site
  scripting attack due to a lack of sanity checks on skin parameter
  in the SettingsBase.php script.");
  script_tag(name:"impact", value:"With a specially crafted URL, an attacker can cause arbitrary
  code execution resulting in a loss of integrity.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod", value:"50"); # No extra check, prone to false positives and doesn't match existing qod_types

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");

port = http_get_port( default:8000 );
if( ! http_can_host_php( port:port ) )
  exit( 0 );

host = http_host_name( dont_add_port:TRUE );
if( http_get_has_generic_xss( port:port, host:host ) ) exit( 0 );

url = "/ShowCenter/SettingsBase.php?Skin=<script>foo</script>";
buf = http_get( item:url, port:port );
res = http_keepalive_send_recv( port:port, data:buf, bodyonly:FALSE );
if( ! res )
  exit( 0 );

if( res =~ "^HTTP/1\.[01] 200" && egrep( pattern:"<script>foo</script>", string:res ) ) {
  report = http_report_vuln_url( port:port, url:url );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );