LimeSurvey < 3.16.1 Relative Path Vulnerability

# SPDX-FileCopyrightText: 2019 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:limesurvey:limesurvey";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.142168");
  script_version("2025-09-16T05:38:45+0000");
  script_tag(name:"last_modification", value:"2025-09-16 05:38:45 +0000 (Tue, 16 Sep 2025)");
  script_tag(name:"creation_date", value:"2019-03-26 12:23:38 +0000 (Tue, 26 Mar 2019)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");

  script_cve_id("CVE-2019-9960");

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

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

  script_name("LimeSurvey < 3.16.1 Relative Path Vulnerability");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("secpod_limesurvey_detect.nasl");
  script_mandatory_keys("limesurvey/http/detected");

  script_tag(name:"summary", value:"The downloadZip function in
  application/controllers/admin/export.php in LimeSurvey allows a relative path.");

  script_tag(name:"impact", value:"An attacker might download arbitrary files.");

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

  script_tag(name:"affected", value:"LimeSurvey prior to version 3.16.1.");

  script_tag(name:"solution", value:"Update to LimeSurvey version 3.16.1 or later.");

  script_xref(name:"URL", value:"https://github.com/LimeSurvey/LimeSurvey/commit/1ed10d3c423187712b8f6a8cb2bc9d5cc3b2deb8");
  script_xref(name:"URL", value:"https://github.com/LimeSurvey/LimeSurvey/blob/master/docs/release_notes.txt");

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

if (version_is_less(version: version, test_version: "3.16.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.16.1", install_path: path);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);