Cisco IOS XE Software IPv6 Neighbor Discovery 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("1.3.6.1.4.1.25623.1.0.105676");
  script_cve_id("CVE-2015-6359");
  script_tag(name:"cvss_base", value:"6.1");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:N/C:N/I:N/A:C");
  script_version("2023-07-20T05:05:17+0000");

  script_name("Cisco IOS XE Software IPv6 Neighbor Discovery Denial of Service Vulnerability");

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151214-ios");

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

  script_tag(name:"solution", value:"Cisco has released software updates that address these vulnerabilities. Workarounds that
  mitigate these vulnerabilities are available.");

  script_tag(name:"summary", value:"A vulnerability in the IPv6 neighbor discovery (ND) handling of Cisco IOS XE Software on
  ASR platforms could allow an unauthenticated, adjacent attacker to cause an affected device to crash.");

  script_tag(name:"insight", value:"The vulnerability is due to insufficient bounds on internal tables. An attacker could exploit this
  vulnerability by flooding an adjacent IOS XE device with specific ND messages.");

  script_tag(name:"impact", value:"An exploit could allow the attacker to deplete the available memory, possibly causing an affected device to crash.");

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

  script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
  script_tag(name:"creation_date", value:"2016-05-10 10:49:56 +0200 (Tue, 10 May 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", "cisco/ios_xe/model");
  exit(0);
}

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

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

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

if( model !~ '^ASR' ) exit( 99 );

affected = make_list(
  '3.14.0S',
  '3.14.1S',
  '3.14.2S',
  '3.14.3S',
  '3.14.4S',
  '3.15.0S',
  '3.15.1S',
  '3.16.0S' );

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 );