NetDecision TFTP Server Multiple Directory Traversal Vulnerabilities

# SPDX-FileCopyrightText: 2009 Greenbone AG
# 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("1.3.6.1.4.1.25623.1.0.900358");
  script_version("2025-03-05T05:38:52+0000");
  script_tag(name:"last_modification", value:"2025-03-05 05:38:52 +0000 (Wed, 05 Mar 2025)");
  script_tag(name:"creation_date", value:"2009-05-29 07:35:11 +0200 (Fri, 29 May 2009)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_cve_id("CVE-2009-1730");
  script_name("NetDecision TFTP Server Multiple Directory Traversal Vulnerabilities");

  script_xref(name:"URL", value:"http://secunia.com/advisories/35131");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35002");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/50574");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/503605");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("secpod_netdecision_tftp_server_detect.nasl");
  script_mandatory_keys("NetDecision/TFTP/Ver");

  script_tag(name:"affected", value:"NetMechanica, NetDecision TFTP Server version 4.2 and prior.");

  script_tag(name:"insight", value:"Due to an input validation error within the TFTP server which
  in fails to sanitize user-supplied input in GET or PUT command via ../ (dot dot) sequences.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure of this vulnerability.
  Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the
  product or replace the product by another one.");

  script_tag(name:"summary", value:"NetDecision TFTP Server is prone to multiple directory traversal vulnerabilities.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to disclose
  sensitive information, upload or download files to and from arbitrary
  locations and compromise a vulnerable system to legitimate users.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_banner");

  exit(0);
}

include("version_func.inc");

netdeciVer = get_kb_item("NetDecision/TFTP/Ver");
if(!netdeciVer)
  exit(0);

if(version_is_less_equal(version:netdeciVer, test_version:"4.2")){
  security_message(port:0);
  exit(0);
}

exit(99);