Privilege Escalation Vulnerability in Some Huawei Products (huawei-sa-20201202-02-privilege)

# SPDX-FileCopyrightText: 2023 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.151439");
  script_version("2023-12-26T05:05:23+0000");
  script_tag(name:"last_modification", value:"2023-12-26 05:05:23 +0000 (Tue, 26 Dec 2023)");
  script_tag(name:"creation_date", value:"2023-12-21 05:12:23 +0000 (Thu, 21 Dec 2023)");
  script_tag(name:"cvss_base", value:"4.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-12-28 18:46:00 +0000 (Mon, 28 Dec 2020)");

  script_cve_id("CVE-2020-9137");

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

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

  script_name("Privilege Escalation Vulnerability in Some Huawei Products (huawei-sa-20201202-02-privilege)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  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 a privilege escalation vulnerability in some Huawei
  products.");

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

  script_tag(name:"insight", value:"Due to insufficient input validation, a local attacker with
  high privilege may execute some specially crafted scripts in the affected products.");

  script_tag(name:"impact", value:"Successful exploit will cause privilege escalation.");

  script_tag(name:"affected", value:"CloudEngine 12800 versions V200R002C50SPC800,
  V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R019C00SPC800, V200R019C10SPC800

  CloudEngine 5800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800,
  V200R005C10SPC800, V200R019C00SPC800, V200R019C10SPC800

  CloudEngine 6800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800,
  V200R005C10SPC800, V200R019C00SPC800, V200R019C10SPC800

  CloudEngine 7800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800,
  V200R005C10SPC800, V200R019C00SPC800, V200R019C10SPC800");

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

  script_xref(name:"URL", value:"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201202-02-privilege-en");

  exit(0);
}

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

cpe_list = make_list("cpe:/o:huawei:cloudengine_12800_firmware",
                     "cpe:/o:huawei:cloudengine_5800_firmware",
                     "cpe:/o:huawei:cloudengine_6800_firmware",
                     "cpe:/o:huawei:cloudengine_7800_firmware");

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

cpe = infos["cpe"];
version = toupper(infos["version"]);
patch = get_kb_item("huawei/vrp/patch");

if (cpe == "cpe:/o:huawei:cloudengine_5800_firmware") {
  if (version =~ "^V200R002C50SPC800" || version =~ "^V200R003C00SPC810" ||
      version =~ "^V200R005C00SPC800") {
    report = report_fixed_ver(installed_version: version, installed_patch: patch,
                              fixed_version: "V200R005C10SPC800", fixed_patch: "V200R005SPH025");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version =~ "V200R005C10SPC800") {
    if (!patch || version_is_less(version: patch, test_version: "V200R005SPH025")) {
      report = report_fixed_ver(installed_version: version, installed_patch: patch,
                                fixed_version: "V200R005C10SPC800", fixed_patch: "V200R005SPH025");
      security_message(port: 0, data: report);
      exit(0);
    }
  }

  if (version =~ "^V200R019C00SPC800") {
    report = report_fixed_ver(installed_version: version, installed_patch: patch,
                              fixed_version: "V200R019C10SPC800", fixed_patch: "V200R019SPH006");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version =~ "V200R019C10SPC800") {
    if (!patch || version_is_less(version: patch, test_version: "V200R019SPH006")) {
      report = report_fixed_ver(installed_version: version, installed_patch: patch,
                                fixed_version: "V200R019C10SPC800", fixed_patch: "V200R019SPH006");
      security_message(port: 0, data: report);
      exit(0);
    }
  }
}

else {
  if (version =~ "^V200R002C50SPC800" || version =~ "^V200R003C00SPC810" ||
      version =~ "^V200R005C00SPC800") {
    report = report_fixed_ver(installed_version: version, installed_patch: patch,
                              fixed_version: "V200R005C10SPC800", fixed_patch: "V200R005SPH026");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version =~ "V200R005C10SPC800") {
    if (!patch || version_is_less(version: patch, test_version: "V200R005SPH026")) {
      report = report_fixed_ver(installed_version: version, installed_patch: patch,
                                fixed_version: "V200R005C10SPC800", fixed_patch: "V200R005SPH026");
      security_message(port: 0, data: report);
      exit(0);
    }
  }

  if (version =~ "^V200R019C00SPC800") {
    report = report_fixed_ver(installed_version: version, installed_patch: patch,
                              fixed_version: "V200R019C10SPC800", fixed_patch: "V200R019SPH006");
    security_message(port: 0, data: report);
    exit(0);
  }

  if (version =~ "V200R019C10SPC800") {
    if (!patch || version_is_less(version: patch, test_version: "V200R019SPH006")) {
      report = report_fixed_ver(installed_version: version, installed_patch: patch,
                                fixed_version: "V200R019C10SPC800", fixed_patch: "V200R019SPH006");
      security_message(port: 0, data: report);
      exit(0);
    }
  }
}

exit(99);