Cisco ASA VPN Failover Command Injection Vulnerability (cisco-sa-20141008-asa)

# Copyright (C) 2015 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:/a:cisco:asa";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105982");
  script_version("2022-02-09T09:27:46+0000");
  script_tag(name:"last_modification", value:"2022-02-09 09:27:46 +0000 (Wed, 09 Feb 2022)");
  script_tag(name:"creation_date", value:"2015-03-13 12:24:59 +0700 (Fri, 13 Mar 2015)");
  script_tag(name:"cvss_base", value:"9.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");

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

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

  script_cve_id("CVE-2014-3389");

  script_name("Cisco ASA VPN Failover Command Injection Vulnerability (cisco-sa-20141008-asa)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2015 Greenbone Networks GmbH");
  script_family("CISCO");
  script_dependencies("gb_cisco_asa_version.nasl", "gb_cisco_asa_version_snmp.nasl");
  script_mandatory_keys("cisco_asa/version");

  script_tag(name:"summary", value:"A vulnerability in the VPN code of Cisco ASA Software could
  allow an authenticated, remote attacker to submit configuration commands to the standby unit via
  the failover interface. As result, an attacker could be able to take full control of both the
  active and standby failover units.");

  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 improper implementation of the
  internal filter for packets coming from an established VPN tunnel. An attacker could exploit this
  vulnerability by sending crafted packets directed to the failover interface IP address.");

  script_tag(name:"impact", value:"An authenticated, remote attacker could exploit this
  vulnerability by connecting to a targeted device and sending malicious configuration requests
  through the failover interface to the standby unit. The attacker could modify the configuration
  to take control over both the standby and active units, resulting in complete device compromise.");

  script_tag(name:"affected", value:"Cisco ASA version 7.2, 8.2, 8.3, 8.4, 8.6, 9.0, 9.1, 9.2 and
  9.3.");

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

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20141008-asa");

  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_exclusive(version: version, test_version_lo: "7.2", test_version_up: "7.2.5.15")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.2(5.15)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "8.2", test_version_up: "8.2.5.51")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.2(5.51)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "8.3", test_version_up: "8.3.2.42")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.3(2.42)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "8.4", test_version_up: "8.4.7.23")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.4(7.23)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "8.6", test_version_up: "8.6.1.15")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.6(1.15)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "9.0", test_version_up: "9.0.4.24")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.0(4.24)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "9.1", test_version_up: "9.1.5.12")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.1(5.12)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "9.2", test_version_up: "9.2.2.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.2(2.6)");
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "9.3", test_version_up: "9.3.1.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.3(1.1)");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);