Huawei Data Communication: Out of Bounds Read Vulnerability in Several Products

# Copyright (C) 2021 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.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.145192");
  script_version("2021-08-25T12:01:03+0000");
  script_tag(name:"last_modification", value:"2021-08-25 12:01:03 +0000 (Wed, 25 Aug 2021)");
  script_tag(name:"creation_date", value:"2021-01-19 02:00:22 +0000 (Tue, 19 Jan 2021)");
  script_tag(name:"cvss_base", value:"3.3");
  script_tag(name:"cvss_base_vector", value:"AV:A/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-12-28 19:23:00 +0000 (Mon, 28 Dec 2020)");

  script_cve_id("CVE-2020-9201");

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

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

  script_name("Huawei Data Communication: Out of Bounds Read Vulnerability in Several Products");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Huawei");
  script_dependencies("gb_huawei_vrp_network_device_consolidation.nasl");
  script_mandatory_keys("huawei/vrp/detected");

  script_tag(name:"summary", value:"There is an out-of-bounds read vulnerability in several products.");

  script_tag(name:"insight", value:"The software reads data past the end of the intended buffer when parsing
  DHCP messages including crafted parameter. Successful exploit could cause certain service abnormal.");

  script_tag(name:"impact", value:"Successful exploit could cause certain service abnormal.");

  script_tag(name:"affected", value:"NIP6800 versions V500R001C30 V500R001C60SPC500 V500R005C00

  Secospace USG6600 versions V500R001C30SPC200 V500R001C30SPC600 V500R001C60SPC500 V500R005C00

  USG9500 versions V500R001C30SPC200 V500R001C30SPC600 V500R001C60SPC500 V500R005C00");

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

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

  script_xref(name:"URL", value:"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-04-eudemon-en");

  exit(0);
}

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

cpe_list = make_list("cpe:/o:huawei:usg6600_firmware",
                     "cpe:/o:huawei:usg9500_firmware");

if (!infos = get_app_version_from_list(cpe_list: cpe_list, nofork: TRUE))
  exit(0);

version = toupper(infos["version"]);

if (version =~ "^V500R001C30SPC200" || version =~ "^V500R001C30SPC600" || version =~ "^V500R001C60SPC500" ||
    version =~ "^V500R005C00") {
  report = report_fixed_ver(installed_version: version, fixed_version: "V500R005C20SPC300");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);