Cisco IOS XE Software DNS Forwarder 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("1.3.6.1.4.1.25623.1.0.106298");
  script_cve_id("CVE-2016-6380");
  script_tag(name:"cvss_base", value:"8.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:C");
  script_version("2023-07-20T05:05:17+0000");

  script_name("Cisco IOS XE Software DNS Forwarder Denial of Service Vulnerability");

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

  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 DNS forwarder functionality of Cisco IOS XE Software
could allow an unauthenticated, remote attacker to cause the device to reload, corrupt the information present
in the device's local DNS cache, or read part of the process memory.");

  script_tag(name:"insight", value:"The vulnerability is due to a flaw in handling crafted DNS response messages.
An attacker could exploit this vulnerability by intercepting and crafting a DNS response message to a client
DNS query that was forwarded from the affected device to a DNS server.");

  script_tag(name:"impact", value:"A successful exploit could cause the device to reload, resulting in a denial
of service (DoS) condition or corruption of the local DNS cache information.");

  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:"severity_vector", value:"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-09-29 12:14:00 +0000 (Tue, 29 Sep 2020)");
  script_tag(name:"creation_date", value:"2016-09-29 14:08:42 +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(
  '3.2.0JA',
  '3.8.0E',
  '3.8.1E',
  '3.8.0EX',
  '3.1.3a.S',
  '3.1.0S',
  '3.1.1S',
  '3.1.2S',
  '3.1.4S',
  '3.1.4a.S',
  '3.1.0SG',
  '3.1.1SG',
  '3.2.1S',
  '3.2.2S',
  '3.2.0SE',
  '3.2.1SE',
  '3.2.2SE',
  '3.2.3SE',
  '3.2.0SG',
  '3.2.1SG',
  '3.2.2SG',
  '3.2.3SG',
  '3.2.4SG',
  '3.2.5SG',
  '3.2.6SG',
  '3.2.7SG',
  '3.2.8SG',
  '3.2.9SG',
  '3.2.10SG',
  '3.2.0XO',
  '3.3.0S',
  '3.3.1S',
  '3.3.2S',
  '3.3.0SE',
  '3.3.1SE',
  '3.3.2SE',
  '3.3.3SE',
  '3.3.4SE',
  '3.3.5SE',
  '3.3.0SG',
  '3.3.1SG',
  '3.3.2SG',
  '3.3.0SQ',
  '3.3.1SQ',
  '3.3.0XO',
  '3.3.1XO',
  '3.3.2XO',
  '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',
  '3.4.0SQ',
  '3.4.1SQ',
  '3.5.0E',
  '3.5.1E',
  '3.5.2E',
  '3.5.3E',
  '3.5.0S',
  '3.5.1S',
  '3.5.2S',
  '3.5.1SQ',
  '3.5.2SQ',
  '3.5.0SQ',
  '3.6.4E',
  '3.6.0E',
  '3.6.1E',
  '3.6.2a.E',
  '3.6.2E',
  '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',
  '3.13.5S',
  '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' );

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 );