Cisco IOS XE Software Internet Key Exchange Version 1 Fragmentation Denial of Service Vulnerability

# SPDX-FileCopyrightText: 2016 Greenbone AG
# 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-only

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

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106308");
  script_cve_id("CVE-2016-6381");
  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_version("2023-07-21T05:05:22+0000");

  script_name("Cisco IOS XE Software Internet Key Exchange Version 1 Fragmentation Denial of Service Vulnerability");

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ios-ikev1");

  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 Internet Key Exchange version 1 (IKEv1) fragmentation
code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an exhaustion of available
memory or a reload of the affected system.");

  script_tag(name:"insight", value:"The vulnerability is due to the improper handling of crafted, fragmented
IKEv1 packets. An attacker could exploit this vulnerability by sending crafted UDP packets to the affected
system.");

  script_tag(name:"impact", value:"An exploit could allow the attacker to cause a reload of the affected
system.");

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

  script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-09-29 12:12:00 +0000 (Tue, 29 Sep 2020)");
  script_tag(name:"creation_date", value:"2016-09-29 15:13:38 +0700 (Thu, 29 Sep 2016)");
  script_category(ACT_GATHER_INFO);
  script_family("CISCO");
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_dependencies("gb_cisco_ios_xe_consolidation.nasl");
  script_mandatory_keys("cisco/ios_xe/detected");
  exit(0);
}

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

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

affected = make_list(
  '3.18.0S',
  '3.8.0E',
  '3.8.1E',
  '3.1.3a.S',
  '3.1.0S',
  '3.1.1S',
  '3.1.2S',
  '3.1.4S',
  '3.1.4a.S',
  '3.2.1S',
  '3.2.2S',
  '3.3.0S',
  '3.3.1S',
  '3.3.2S',
  '3.3.0SG',
  '3.3.1SG',
  '3.3.2SG',
  '3.3.0XO',
  '3.3.1XO',
  '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',
  '3.5.0E',
  '3.5.1E',
  '3.5.2E',
  '3.5.3E',
  '3.5.0S',
  '3.5.1S',
  '3.5.2S',
  '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',
  '3.7.0E',
  '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',
  '3.7.7S',
  '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',
  '3.13.5S',
  '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',
  '3.15.3S',
  '3.15.0S',
  '3.15.1S',
  '3.15.2S',
  '3.17.0S',
  '3.17.1S',
  '16.1.1',
  '16.1.2',
  '3.16.0S',
  '3.16.0c.S',
  '3.16.1S',
  '3.16.1a.S',
  '3.16.2S',
  '3.16.2a.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 );