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Cisco IOS XE Software IP Fragment Reassembly Denial of Service Vulnerability

2016-09-29T00:00:00
ID OPENVAS:1361412562310106304
Type openvas
Reporter This script is Copyright (C) 2016 Greenbone Networks GmbH
Modified 2019-10-09T00:00:00

Description

A vulnerability in the IPv4 fragment reassembly function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
#
# Cisco IOS XE Software IP Fragment Reassembly Denial of Service Vulnerability
#
# Authors:
# Christian Kuersteiner <christian.kuersteiner@greenbone.net>
#
# Copyright:
# Copyright (c) 2016 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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.
###############################################################################

CPE = "cpe:/o:cisco:ios_xe";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106304");
  script_cve_id("CVE-2016-6386");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_version("2019-10-09T06:43:33+0000");

  script_name("Cisco IOS XE Software IP Fragment Reassembly Denial of Service Vulnerability");

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-frag");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_tag(name:"summary", value:"A vulnerability in the IPv4 fragment reassembly function of Cisco IOS XE
Software could allow an unauthenticated, remote attacker to cause an affected device to reload.");

  script_tag(name:"insight", value:"The vulnerability is due to the corruption of an internal data structure
that occurs when the affected software reassembles an IPv4 packet. An attacker could exploit this vulnerability
by sending crafted IPv4 fragments to an affected device.");

  script_tag(name:"impact", value:"A successful exploit could allow the attacker to cause the device to reload,
resulting in a denial of service (DoS) condition.");

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

  script_tag(name:"last_modification", value:"2019-10-09 06:43:33 +0000 (Wed, 09 Oct 2019)");
  script_tag(name:"creation_date", value:"2016-09-29 14:49:44 +0700 (Thu, 29 Sep 2016)");
  script_category(ACT_GATHER_INFO);
  script_family("CISCO");
  script_copyright("This script is Copyright (C) 2016 Greenbone Networks GmbH");
  script_dependencies("gb_cisco_ios_xe_version.nasl");
  script_mandatory_keys("cisco_ios_xe/version");
  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if( ! version = get_app_version( cpe:CPE ) ) exit( 0 );

affected = make_list(
  '3.2.0JA',
  '3.8.0E',
  '3.8.1E',
  '3.8.0EX',
  '3.1.3a.S',
  '3.1.0S',
  '3.1.1S',
  '3.1.2S',
  '3.1.4S',
  '3.1.4a.S',
  '3.1.0SG',
  '3.1.1SG',
  '3.2.1S',
  '3.2.2S',
  '3.2.0SE',
  '3.2.1SE',
  '3.2.2SE',
  '3.2.3SE',
  '3.2.0SG',
  '3.2.1SG',
  '3.2.2SG',
  '3.2.3SG',
  '3.2.4SG',
  '3.2.5SG',
  '3.2.6SG',
  '3.2.7SG',
  '3.2.8SG',
  '3.2.9SG',
  '3.2.10SG',
  '3.2.0XO',
  '3.3.0S',
  '3.3.1S',
  '3.3.2S',
  '3.3.0SE',
  '3.3.1SE',
  '3.3.2SE',
  '3.3.3SE',
  '3.3.4SE',
  '3.3.5SE',
  '3.3.0SG',
  '3.3.1SG',
  '3.3.2SG',
  '3.3.0SQ',
  '3.3.1SQ',
  '3.3.0XO',
  '3.3.1XO',
  '3.3.2XO',
  '3.4.0S',
  '3.4.0a.S',
  '3.4.1S',
  '3.4.2S',
  '3.4.3S',
  '3.4.4S',
  '3.4.5S',
  '3.4.6S',
  '3.4.0SG',
  '3.4.1SG',
  '3.4.2SG',
  '3.4.3SG',
  '3.4.4SG',
  '3.4.5SG',
  '3.4.6SG',
  '3.4.7SG',
  '3.4.0SQ',
  '3.4.1SQ',
  '3.5.0E',
  '3.5.1E',
  '3.5.2E',
  '3.5.3E',
  '3.5.0S',
  '3.5.1S',
  '3.5.2S',
  '3.5.1SQ',
  '3.5.2SQ',
  '3.5.3SQ',
  '3.5.0SQ',
  '3.6.4E',
  '3.6.0E',
  '3.6.1E',
  '3.6.2a.E',
  '3.6.2E',
  '3.6.3E',
  '3.6.0S',
  '3.6.1S',
  '3.6.2S',
  '3.7.3E',
  '3.7.1E',
  '3.7.2E',
  '3.7.0S',
  '3.7.1S',
  '3.7.2S',
  '3.7.2t.S',
  '3.7.3S',
  '3.7.4S',
  '3.7.4a.S',
  '3.7.5S',
  '3.7.6S',
  '3.8.0S',
  '3.8.1S',
  '3.8.2S',
  '3.9.0S',
  '3.9.0a.S',
  '3.9.1S',
  '3.9.1a.S',
  '3.9.2S',
  '3.10.0S',
  '3.10.1S',
  '3.10.1xb.S',
  '3.10.2S',
  '3.10.3S',
  '3.10.4S',
  '3.10.5S',
  '3.10.6S',
  '3.10.7S',
  '3.11.0S',
  '3.11.1S',
  '3.11.2S',
  '3.11.3S',
  '3.11.4S',
  '3.12.0S',
  '3.12.0a.S',
  '3.12.1S',
  '3.12.4S',
  '3.12.2S',
  '3.12.3S',
  '3.13.2a.S',
  '3.13.0S',
  '3.13.0a.S',
  '3.13.1S',
  '3.13.2S',
  '3.13.3S',
  '3.13.4S',
  '3.14.0S',
  '3.14.1S',
  '3.14.2S',
  '3.14.3S',
  '3.15.1c.S',
  '3.15.0S',
  '3.15.1S',
  '3.15.2S',
  '3.17.0S',
  '16.1.3',
  '16.1.1',
  '16.1.2',
  '3.16.0S',
  '3.16.0c.S',
  '3.16.1S',
  '3.16.1a.S' );

foreach af ( affected )
{
  if( version == af )
  {
    report = report_fixed_ver(  installed_version:version, fixed_version: "See advisory" );
    security_message( port:0, data:report );
    exit( 0 );
  }
}

exit( 99 );
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