Moodle 3.9 <= 3.9.18, 3.11 <= 3.11.11, 4.0 <= 4.0.5, 4.1 < 4.1.1 Multiple Vulnerabilities

# 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

CPE = "cpe:/a:moodle:moodle";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.124261");
  script_version("2023-12-20T05:05:58+0000");
  script_tag(name:"last_modification", value:"2023-12-20 05:05:58 +0000 (Wed, 20 Dec 2023)");
  script_tag(name:"creation_date", value:"2023-01-25 11:31:42 +0000 (Wed, 25 Jan 2023)");
  script_tag(name:"cvss_base", value:"8.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-02-28 19:17:00 +0000 (Tue, 28 Feb 2023)");

  script_cve_id("CVE-2023-23921", "CVE-2023-23923");

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

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

  script_name("Moodle 3.9 <= 3.9.18, 3.11 <= 3.11.11, 4.0 <= 4.0.5, 4.1 < 4.1.1 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  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-23-0001, CVE-2023-23921: Reflected XSS risk in some returnurl parameters

  - MSA-23-0003, CVE-2023-23923: Possible to set the preferred 'start page' of other users");

  script_tag(name:"affected", value:"Moodle versions 3.9 through 3.9.18, 3.11 through 3.11.11,
  4.0 through 4.0.5 and 4.1 prior to 4.1.1.");

  script_tag(name:"solution", value:"Update to version 3.9.19, 3.11.12, 4.0.6, 4.1.1 or later.");

  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=443272");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=443274");

  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: "3.9", test_version2: "3.9.18")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.5.19", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "3.11", test_version2: "3.11.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.11.12", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "4.0", test_version2: "4.0.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.0.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "4.1", test_version_up: "4.1.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.1.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);