Cisco cBR Series Converged Broadband Routers List Headers Denial of Service Vulnerability

2017-02-07T00:00:00
ID OPENVAS:1361412562310106573
Type openvas
Reporter This script is Copyright (C) 2017 Greenbone Networks GmbH
Modified 2017-02-28T00:00:00

Description

A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_cisco_ios_xe_cisco-sa-20170201-cbr.nasl 5441 2017-02-28 08:41:33Z cfi $
#
# Cisco cBR Series Converged Broadband Routers List Headers Denial of Service Vulnerability
#
# Authors:
# Christian Kuersteiner <christian.kuersteiner@greenbone.net>
#
# Copyright:
# Copyright (c) 2017 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("1.3.6.1.4.1.25623.1.0.106573");
 script_cve_id("CVE-2017-3824");
 script_tag(name:"cvss_base", value:"5.4");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:N/A:C");
 script_version("$Revision: 5441 $");

 script_name("Cisco cBR Series Converged Broadband Routers List Headers Denial of Service Vulnerability");

 script_xref(name: "URL", value: "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-cbr");
 
 script_tag(name: "vuldetect" , value: "Check the version.");

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

 script_tag(name: "summary" , value: "A vulnerability in the handling of list headers in Cisco cBR Series
Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload,
resulting in a denial of service (DoS) condition.");

 script_tag(name: "insight", value: "The vulnerability is due to memory corruption. An attacker could exploit
this vulnerability by sending crafted PacketCable Multimedia (PCMM) packets to an affected device.");

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

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

 script_tag(name: "last_modification", value: "$Date: 2017-02-28 09:41:33 +0100 (Tue, 28 Feb 2017) $");
 script_tag(name: "creation_date", value: "2017-02-07 14:50:26 +0700 (Tue, 07 Feb 2017)");
 script_category(ACT_GATHER_INFO);
 script_family("CISCO");
 script_copyright("This script is Copyright (C) 2017 Greenbone Networks GmbH");
 script_dependencies("gb_cisco_ios_xe_version.nasl");
 script_mandatory_keys("cisco_ios_xe/version", "cisco_ios_xe/model");
 exit(0);
}

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

model = get_kb_item("cisco_ios_xe/model");
if (!model || model !~ "^cBR")
  exit(99);

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

affected = make_list( 
		'3.16.0',
		'3.16.1',
		'3.17.0' );

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);