Cisco ASA Clientless SSL VPN Portal Customization Integrity 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("1.3.6.1.4.1.25623.1.0.105986");
  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 13:31:53 +0700 (Fri, 13 Mar 2015)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");

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

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

  script_cve_id("CVE-2014-3393");

  script_name("Cisco ASA Clientless SSL VPN Portal Customization Integrity 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 Clientless SSL VPN portal customization
  framework could allow an unauthenticated, remote attacker to modify the content of the Clientless
  SSL VPN portal, which could lead to several attacks including the stealing of credentials,
  cross-site scripting (XSS), and other types of web attacks on the client using 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 implementation of
  authentication checks in the Clientless SSL VPN portal customization framework. An
  unauthenticated, remote attacker could exploit this vulnerability by modifying some of the
  customization objects in the RAMFS cache file system.");

  script_tag(name:"impact", value:"An exploit could allow the attacker to bypass Clientless SSL VPN
  authentication and modify the portal content. If successful, the attacker could conduct web-based
  attacks against a client using the affected software, which could be used to access sensitive
  information.");

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

  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: "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: "8.6.1.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "8.6(1.14)");
  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: "9.2.2.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "9.2(2.4)");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);