Moodle 3.8.x < 3.8.9, 3.9.x < 3.9.7, 3.10.x < 3.10.4 Multiple Vulnerabilities (MSA-21-0012, MSA-21-0018)

# Copyright (C) 2022 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
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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CPE = "cpe:/a:moodle:moodle";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.147803");
  script_version("2022-03-21T03:03:41+0000");
  script_tag(name:"last_modification", value:"2022-03-21 03:03:41 +0000 (Mon, 21 Mar 2022)");
  script_tag(name:"creation_date", value:"2022-03-15 04:00:17 +0000 (Tue, 15 Mar 2022)");
  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:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-03-18 20:06:00 +0000 (Fri, 18 Mar 2022)");

  script_cve_id("CVE-2021-32472", "CVE-2021-32478");

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

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

  script_name("Moodle 3.8.x < 3.8.9, 3.9.x < 3.9.7, 3.10.x < 3.10.4 Multiple Vulnerabilities (MSA-21-0012, MSA-21-0018)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_moodle_cms_detect.nasl");
  script_mandatory_keys("moodle/detected");

  script_tag(name:"summary", value:"Moodle is prone to multiple vulnerabilities.");

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

  script_tag(name:"insight", value:"The following vulnerabilities exist:

  - MSA-21-0012 / CVE-2021-32472: Forum CSV export could result in posts from all courses being
  exported

  - MSA-21-0018 / CVE-2021-32478: Reflected XSS and open redirect in LTI authorization endpoint");

  script_tag(name:"affected", value:"Moodle version 3.8.x through 3.8.8, 3.9.x through 3.9.6 and
  3.10.x through 3.10.3.");

  script_tag(name:"solution", value:"Update to version 3.8.9, 3.9.7, 3.10.4 or later.");

  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=422305");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=422314");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_in_range(version: version, test_version: "3.8.0", test_version2: "3.8.8")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.8.9", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "3.9.0", test_version2: "3.9.6")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.9.7", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "3.10.0", test_version2: "3.10.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.10.4", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);