Moodle < 3.5.17, 3.8.x < 3.8.8, 3.9.x < 3.9.5, 3.10.x < 3.10.2 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2021 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("1.3.6.1.4.1.25623.1.0.112874");
  script_version("2025-01-31T15:39:24+0000");
  script_tag(name:"last_modification", value:"2025-01-31 15:39:24 +0000 (Fri, 31 Jan 2025)");
  script_tag(name:"creation_date", value:"2021-03-17 08:58:11 +0000 (Wed, 17 Mar 2021)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/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:"2021-07-20 23:15:00 +0000 (Tue, 20 Jul 2021)");

  script_xref(name:"CISA", value:"Known Exploited Vulnerability (KEV) catalog");
  script_xref(name:"URL", value:"https://www.cisa.gov/known-exploited-vulnerabilities-catalog");
  script_cve_id("CVE-2020-11022", "CVE-2020-11023", "CVE-2021-20279", "CVE-2021-20280",
                "CVE-2021-20281", "CVE-2021-20282", "CVE-2021-20283");

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

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

  script_name("Moodle < 3.5.17, 3.8.x < 3.8.8, 3.9.x < 3.9.5, 3.10.x < 3.10.2 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 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:"These vulnerabilities exist:

  - CVE-2020-11022 and CVE-2020-11023: The JQuery version used by Moodle required
  upgrading to 3.5.1 to patch some published potential vulnerabilities.

  - CVE-2021-20279: Stored XSS via ID number user profile field

  - CVE-2021-20280: Stored XSS and blind SSRF possible via feedback answer text

  - CVE-2021-20281: User full name disclosure within online users block

  - CVE-2021-20282: Bypass email verification secret when confirming account registration

  - CVE-2021-20283: Fetching a user's enrolled courses via web services did not check profile access in each course.");

  script_tag(name:"affected", value:"Moodle version 3.5.16 and prior, 3.8 through 3.8.7, 3.9 through 3.9.4 and 3.10 through 30.1.");

  script_tag(name:"solution", value:"Update to version 3.5.17, 3.8.8, 3.9.5 or 3.10.2 respectively.");

  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419650");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419651");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419652");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419653");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419654");
  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=419655");

  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_is_less(version: version, test_version: "3.5.17")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.5.17", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if(version_in_range(version: version, test_version: "3.8.0", test_version2: "3.8.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.8.8", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if(version_in_range(version: version, test_version: "3.9.0", test_version2: "3.9.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.9.5", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if(version_in_range(version: version, test_version: "3.10.0", test_version2: "3.10.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.10.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);