Cisco IOS XR Software Fragmented Packets Processing Denial of Service Vulnerability (cisco-sa-20131023-iosxr)

# Copyright (C) 2014 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:ios_xr";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105081");
  script_version("2022-09-26T10:10:50+0000");
  script_tag(name:"last_modification", value:"2022-09-26 10:10:50 +0000 (Mon, 26 Sep 2022)");
  script_tag(name:"creation_date", value:"2014-09-04 10:43:54 +0200 (Thu, 04 Sep 2014)");
  script_tag(name:"cvss_base", value:"7.1");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");

  script_cve_id("CVE-2013-5549");

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

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

  script_name("Cisco IOS XR Software Fragmented Packets Processing Denial of Service Vulnerability (cisco-sa-20131023-iosxr)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2014 Greenbone Networks GmbH");
  script_family("CISCO");
  script_dependencies("gb_cisco_ios_xr_consolidation.nasl");
  script_mandatory_keys("cisco/ios_xr/detected");

  script_tag(name:"summary", value:"Cisco IOS XR Software is prone to a denial of service (DoS)
  vulnerability.");

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

  script_tag(name:"insight", value:"This issue is being tracked by Cisco Bug ID CSCuh30380.");

  script_tag(name:"impact", value:"Successfully exploiting this issue may allow an attacker to
  cause a denial of service condition.");

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

  script_tag(name:"affected", value:"Cisco IOS XR 3.3.0 through versions 4.2.0 are vulnerable.
  Customers that are running version 4.2.1 or later of Cisco IOS XR Software, or that have
  previously installed the Software Maintenance Upgrades (SMU) for Cisco bug ID CSCtz62593 are not
  affected by this vulnerability.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/63298");
  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-iosxr");

  exit(0);
}

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

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

if (version_in_range(version: version, test_version: "3.3.0", test_version2: "4.2.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);