Moodle 3.x Spam Vulnerability (Mar 2018) - Windows

# SPDX-FileCopyrightText: 2018 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("1.3.6.1.4.1.25623.1.0.113172");
  script_version("2025-09-12T05:38:45+0000");
  script_tag(name:"last_modification", value:"2025-09-12 05:38:45 +0000 (Fri, 12 Sep 2025)");
  script_tag(name:"creation_date", value:"2018-05-08 11:03:45 +0200 (Tue, 08 May 2018)");
  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:N/S:U/C:N/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-28 15:06:00 +0000 (Fri, 28 Aug 2020)");

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

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

  script_cve_id("CVE-2018-1081");

  script_name("Moodle 3.x Spam Vulnerability (Mar 2018) - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_moodle_cms_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("moodle/detected", "Host/runs_windows");

  script_tag(name:"summary", value:"Unauthenticated users can trigger custom messages to admin via paypal enrol script.");
  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
  script_tag(name:"insight", value:"The Moodle Paypal IPN callback script doesn't verify request origin.
  This leads to an unauthenticated attacker being able to spam the admin email.");
  script_tag(name:"affected", value:"Moodle versions through 3.1.10, 3.2.0 through 3.2.7, 3.3.0 through 3.3.4 and 3.4.0 through 3.4.1.");
  script_tag(name:"solution", value:"Update to version 3.1.11, 3.2.8, 3.3.5 or 3.4.2 respectively.");

  script_xref(name:"URL", value:"https://moodle.org/mod/forum/discuss.php?d=367938");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/103728");

  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( port: port, cpe: CPE, exit_no_version: TRUE ) )
  exit( 0 );

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

if( version_is_less( version: version, test_version: "3.1.11" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.1.11", install_path: path );
  security_message( port: port, data: report );
  exit( 0 );
}

if( version_in_range( version: version, test_version: "3.2.0", test_version2: "3.2.7" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.2.8", install_path: path );
  security_message( port: port, data: report );
  exit( 0 );
}

if( version_in_range( version: version, test_version: "3.3.0", test_version2: "3.3.4" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.3.5", install_path: path );
  security_message( port: port, data: report );
  exit( 0 );
}

if( version_in_range( version: version, test_version: "3.4.0", test_version2: "3.4.1" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "3.4.2", install_path: path );
  security_message( port: port, data: report );
  exit( 0 );
}

exit( 99 );