Cisco Nexus 7000 Series Switches Remote Denial of Service Vulnerability

# Copyright (C) 2013 Greenbone Networks GmbH
# 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-or-later
#
# 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:nx-os";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.103802");
  script_version("2022-12-26T10:12:01+0000");
  script_tag(name:"last_modification", value:"2022-12-26 10:12:01 +0000 (Mon, 26 Dec 2022)");
  script_tag(name:"creation_date", value:"2013-10-10 12:14:44 +0200 (Thu, 10 Oct 2013)");
  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_cve_id("CVE-2013-1122");

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

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

  script_name("Cisco Nexus 7000 Series Switches Remote Denial of Service Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2013 Greenbone Networks GmbH");
  script_family("CISCO");
  script_dependencies("gb_cisco_nx_os_consolidation.nasl");
  script_mandatory_keys("cisco/nx_os/detected", "cisco/nx_os/device", "cisco/nx_os/model");

  script_tag(name:"summary", value:"Cisco Nexus 7000 Series switches running on NX-OS are prone to a
  remote denial-of-service vulnerability.");

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

  script_tag(name:"insight", value:"The vulnerability is due to incorrect handling of crafted
  packets. An attacker could exploit this vulnerability by sending crafted packets to a device that
  is configured with Overlay Transport Virtualization (OTV), where the physical interface of the
  connection is over the M1-Series module.");

  script_tag(name:"impact", value:"An exploit could allow the attacker to cause the M1-Series
  module to reload.");

  script_tag(name:"affected", value:"Cisco Nexus 7000 Series running on NX-OS.");

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

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/57841");
  script_xref(name:"URL", value:"https://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1122");

  exit(0);
}

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

if (!device = get_kb_item("cisco/nx_os/device"))
  exit(0);

if (device != "Nexus")
  exit(0);

if (!model = get_kb_item("cisco/nx_os/model"))
  exit(0);

if (model !~ "^C?7")
  exit(0);

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

affected = make_list("4.2(1)sv1(4a)",
                     "4.2(1)sv1(4)",
                     "4.0(4)sv1(1)",
                     "4.0(4)sv1(2)",
                     "4.2(1)sv1(5.1)",
                     "4.0(4)sv1(3d)",
                     "5.1(3)n1(1a)",
                     "5.0(3)n2(2b)",
                     "5.0(3)n2(2a)",
                     "4.0(4)sv1(3)",
                     "4.0(4)sv1(3a)",
                     "4.0(4)sv1(3b)",
                     "4.0(4)sv1(3c)",
                     "4.0",
                     "5.0(2)n2(1)",
                     "5.0(2)n2(1a)",
                     "5.0(3)n1(1b)",
                     "5.0(2)n1(1)",
                     "5.0(3)n2(1)",
                     "5.0(3)n2(2)",
                     "5.1(3)n1(1)",
                     "5.0(3)n1(1c)",
                     "4.0(1a)n2(1a)",
                     "4.1(3)n1(1)",
                     "4.0(1a)n1(1a)",
                     "4.0(1a)n2(1)",
                     "5.0(3)n1(1)",
                     "5.0(3)n1(1a)",
                     "4.1(3)n1(1a)",
                     "4.2(1)n2(1a)",
                     "4.2",
                     "4.1(3)n2(1a)",
                     "5.0",
                     "4.1(3)n2(1)",
                     "4.2(1)n2(1)",
                     "4.2(1)n1(1)",
                     "4.0(0)n1(1a)",
                     "4.0(0)n1(2)",
                     "5.2",
                     "4.0(1a)n1(1)",
                     "5.1",
                     "4.0(0)n1(2a)",
                     "4.2(1)",
                     "4.2(2)",
                     "5.0(3)",
                     "5.0(2a)",
                     "4.2(4)",
                     "4.2.(2a)",
                     "4.2(6)",
                     "4.2(3)",
                     "4.1.(5)",
                     "4.1.(4)",
                     "4.1.(3)",
                     "4.1.(2)",
                     "4.2(8)",
                     "5.1(2)",
                     "5.0(2)",
                     "5.2(3)",
                     "5.1(4)",
                     "5.1(3)",
                     "5.1(1a)",
                     "5.1(1)",
                     "5.0(5)",
                     "5.2(3a)",
                     "5.2(1)",
                     "5.1(6)",
                     "5.1(5)",
                     "6.0(1)",
                     "6.0(2)",
                     "6.1");

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);