Xedus 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: James Bercegay of the GulfTech Security Research Team

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.14647");
  script_version("2023-08-01T13:29:10+0000");
  script_tag(name:"last_modification", value:"2023-08-01 13:29:10 +0000 (Tue, 01 Aug 2023)");
  script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
  script_cve_id("CVE-2004-1645");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11071");
  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("Xedus XSS");

  script_category(ACT_ATTACK);
  script_tag(name:"qod_type", value:"remote_vul");
  script_copyright("Copyright (C) 2004 David Maciejak");
  script_dependencies("xedus_detect.nasl", "cross_site_scripting.nasl");
  script_family("Peer-To-Peer File Sharing");
  script_require_ports("Services/www", 4274);
  script_mandatory_keys("xedus/running");

  script_tag(name:"solution", value:"Upgrade to the latest version and
remove .x files located in ./sampledocs folder");

  script_tag(name:"summary", value:"The remote host runs Xedus Peer to Peer webserver.
This version is vulnerable to cross-site scripting attacks.

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");

  exit(0);
}

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

port = http_get_port(default:4274);
if ( ! get_kb_item("xedus/" + port + "/running")) exit(0);

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

buf = http_get(item:"/test.x?username=<script>foo</script>", port:port);
r = http_keepalive_send_recv(port:port, data:buf);
if( isnull( r ) ) exit( 0 );
if(r =~ "^HTTP/1\.[01] 200" && egrep(pattern:"<script>foo</script>", string:r))
{
  security_message(port);
  exit(0);
}

buf = http_get(item:"/TestServer.x?username=<script>foo</script>", port:port);
r = http_keepalive_send_recv(port:port, data:buf);
if( isnull( r ) ) exit( 0 );
if(r =~ "^HTTP/1\.[01] 200" && egrep(pattern:"<script>foo</script>", string:r))
{
  security_message(port);
  exit(0);
}

buf = http_get(item:"/testgetrequest.x?param=<script>foo</script>", port:port);
r = http_keepalive_send_recv(port:port, data:buf);
if( isnull( r ) ) exit( 0 );
if(r =~ "^HTTP/1\.[01] 200" && egrep(pattern:"<script>foo</script>", string:r))
{
  security_message(port);
  exit(0);
}

exit(99);