Cisco IOS Software Internet Key Exchange Version 2 Fragmentation Denial of Service Vulnerability (cisco-sa-20160323-ios-ikev2)

# 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";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105638");
  script_version("2026-02-02T05:59:28+0000");
  script_tag(name:"last_modification", value:"2026-02-02 05:59:28 +0000 (Mon, 02 Feb 2026)");
  script_tag(name:"creation_date", value:"2016-05-03 19:27:21 +0200 (Tue, 03 May 2016)");
  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_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2017-05-12 01:29:00 +0000 (Fri, 12 May 2017)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H");

  script_cve_id("CVE-2016-1344");

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

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

  script_name("Cisco IOS Software Internet Key Exchange Version 2 Fragmentation Denial of Service Vulnerability (cisco-sa-20160323-ios-ikev2)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("CISCO");
  script_dependencies("gb_cisco_ios_consolidation.nasl");
  script_mandatory_keys("cisco/ios/detected");

  script_tag(name:"summary", value:"A vulnerability in the Internet Key Exchange (IKE) version 2
  (v2) fragmentation code of Cisco IOS Software could allow an unauthenticated, remote attacker to
  cause a reload of the affected system.");

  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 an improper handling of crafted,
  fragmented IKEv2 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:"solution", value:"See the referenced vendor advisory for a solution.");

  script_xref(name:"URL", value:"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-ios-ikev2");

  exit(0);
}

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

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

affected = make_list(
  "15.0(2)ED",
  "15.0(2)ED1",
  "15.0(2)EH",
  "15.0(2)EJ",
  "15.0(2)EJ1",
  "15.0(2)EK",
  "15.0(2)EK1",
  "15.0(2)EX",
  "15.0(2)EX1",
  "15.0(2)EX3",
  "15.0(2)EX4",
  "15.0(2)EX5",
  "15.0(2a)EX5",
  "15.0(2)EY",
  "15.0(2)EY1",
  "15.0(2)EY3",
  "15.0(2)EZ",
  "15.0(2)SE",
  "15.0(2)SE1",
  "15.0(2)SE2",
  "15.0(2)SE3",
  "15.0(2)SE4",
  "15.0(2)SE5",
  "15.0(2)SE6",
  "15.0(2)SE7",
  "15.0(2)SE8",
  "15.0(2)SE9",
  "15.0(2a)SE9",
  "15.1(4)GC",
  "15.1(4)GC1",
  "15.1(4)GC2",
  "15.1(4)M",
  "15.1(4)M1",
  "15.1(4)M10",
  "15.1(4)M2",
  "15.1(4)M3",
  "15.1(4)M3a",
  "15.1(4)M4",
  "15.1(4)M5",
  "15.1(4)M6",
  "15.1(4)M7",
  "15.1(4)M8",
  "15.1(4)M9",
  "15.1(3)MR",
  "15.1(3)MRA",
  "15.1(3)MRA1",
  "15.1(3)MRA2",
  "15.1(3)MRA3",
  "15.1(3)MRA4",
  "15.1(2)S",
  "15.1(2)S1",
  "15.1(2)S2",
  "15.1(3)S",
  "15.1(3)S0a",
  "15.1(3)S1",
  "15.1(3)S2",
  "15.1(3)S3",
  "15.1(3)S4",
  "15.1(3)S5",
  "15.1(3)S5a",
  "15.1(3)S6",
  "15.1(1)SG",
  "15.1(1)SG1",
  "15.1(1)SG2",
  "15.1(2)SG",
  "15.1(2)SG1",
  "15.1(2)SG2",
  "15.1(2)SG3",
  "15.1(2)SG4",
  "15.1(2)SG5",
  "15.1(2)SG6",
  "15.1(2)SG7",
  "15.1(2)SNG",
  "15.1(2)SNH",
  "15.1(2)SNI",
  "15.1(2)SNI1",
  "15.1(1)SY",
  "15.1(1)SY1",
  "15.1(1)SY2",
  "15.1(1)SY3",
  "15.1(1)SY4",
  "15.1(1)SY5",
  "15.1(1)SY6",
  "15.1(2)SY",
  "15.1(2)SY1",
  "15.1(2)SY2",
  "15.1(2)SY3",
  "15.1(2)SY4",
  "15.1(2)SY4a",
  "15.1(2)SY5",
  "15.1(2)SY6",
  "15.1(3)T",
  "15.1(3)T1",
  "15.1(3)T2",
  "15.1(3)T3",
  "15.1(3)T4",
  "15.2(1)E",
  "15.2(1)E1",
  "15.2(1)E2",
  "15.2(1)E3",
  "15.2(2)E",
  "15.2(2)E1",
  "15.2(2)E2",
  "15.2(2)E3",
  "15.2(2a)E1",
  "15.2(2a)E2",
  "15.2(3)E",
  "15.2(3)E1",
  "15.2(3)E2",
  "15.2(3)E3",
  "15.2(3a)E",
  "15.2(3m)E2",
  "15.2(4)E",
  "15.2(4)E1",
  "15.2(2)EB",
  "15.2(2)EB1",
  "15.2(1)EY",
  "15.2(2)EA1",
  "15.2(2)EA2",
  "15.2(3)EA",
  "15.2(4)EA",
  "15.2(1)GC",
  "15.2(1)GC1",
  "15.2(1)GC2",
  "15.2(2)GC",
  "15.2(3)GC",
  "15.2(3)GC1",
  "15.2(4)GC",
  "15.2(4)GC1",
  "15.2(4)GC2",
  "15.2(4)GC3",
  "15.2(4)M",
  "15.2(4)M1",
  "15.2(4)M2",
  "15.2(4)M3",
  "15.2(4)M4",
  "15.2(4)M5",
  "15.2(4)M6",
  "15.2(4)M6a",
  "15.2(4)M7",
  "15.2(4)M8",
  "15.2(4)M9",
  "15.2(1)S",
  "15.2(1)S1",
  "15.2(1)S2",
  "15.2(2)S",
  "15.2(2)S1",
  "15.2(2)S2",
  "15.2(4)S",
  "15.2(4)S1",
  "15.2(4)S2",
  "15.2(4)S3",
  "15.2(4)S3a",
  "15.2(4)S4",
  "15.2(4)S4a",
  "15.2(4)S5",
  "15.2(4)S6",
  "15.2(4)S7",
  "15.2(2)SNG",
  "15.2(2)SNH1",
  "15.2(2)SNI",
  "15.2(1)SY",
  "15.2(1)SY0a",
  "15.2(1)SY1",
  "15.2(1)SY1a",
  "15.2(2)SY",
  "15.2(1)T",
  "15.2(1)T1",
  "15.2(1)T2",
  "15.2(1)T3",
  "15.2(1)T3a",
  "15.2(1)T4",
  "15.2(2)T",
  "15.2(2)T1",
  "15.2(2)T2",
  "15.2(2)T3",
  "15.2(2)T4",
  "15.2(3)T",
  "15.2(3)T1",
  "15.2(3)T2",
  "15.2(3)T3",
  "15.2(3)T4",
  "15.3(3)M",
  "15.3(3)M1",
  "15.3(3)M2",
  "15.3(3)M3",
  "15.3(3)M4",
  "15.3(3)M5",
  "15.3(3)M6",
  "15.3(1)S",
  "15.3(1)S1",
  "15.3(1)S2",
  "15.3(2)S",
  "15.3(2)S0a",
  "15.3(2)S1",
  "15.3(2)S2",
  "15.3(3)S",
  "15.3(3)S1",
  "15.3(3)S2",
  "15.3(3)S3",
  "15.3(3)S4",
  "15.3(3)S5",
  "15.3(3)S6",
  "15.3(1)T",
  "15.3(1)T1",
  "15.3(1)T2",
  "15.3(1)T3",
  "15.3(1)T4",
  "15.3(2)T",
  "15.3(2)T1",
  "15.3(2)T2",
  "15.3(2)T3",
  "15.3(2)T4",
  "15.4(1)CG",
  "15.4(1)CG1",
  "15.4(2)CG",
  "15.4(3)M",
  "15.4(3)M1",
  "15.4(3)M2",
  "15.4(3)M3",
  "15.4(3)M4",
  "15.4(1)S",
  "15.4(1)S1",
  "15.4(1)S2",
  "15.4(1)S3",
  "15.4(1)S4",
  "15.4(2)S",
  "15.4(2)S1",
  "15.4(2)S2",
  "15.4(2)S3",
  "15.4(2)S4",
  "15.4(3)S",
  "15.4(3)S1",
  "15.4(3)S2",
  "15.4(3)S3",
  "15.4(3)S4",
  "15.4(1)T",
  "15.4(1)T1",
  "15.4(1)T2",
  "15.4(1)T3",
  "15.4(1)T4",
  "15.4(2)T",
  "15.4(2)T1",
  "15.4(2)T2",
  "15.4(2)T3",
  "15.4(2)T4",
  "15.5(3)M",
  "15.5(3)M0a",
  "15.5(3)M1",
  "15.5(1)S",
  "15.5(1)S1",
  "15.5(1)S2",
  "15.5(1)S3",
  "15.5(2)S",
  "15.5(2)S1",
  "15.5(2)S2",
  "15.5(3)S",
  "15.5(3)S0a",
  "15.5(3)S1",
  "15.5(3)S1a",
  "15.5(3)SN",
  "15.5(1)T",
  "15.5(1)T1",
  "15.5(1)T2",
  "15.5(1)T3",
  "15.5(2)T",
  "15.5(2)T1",
  "15.5(2)T2",
  "15.6(1)T0a" );

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 );