ownCloud < 10.15.3 Multiple Vulnerabilities

# SPDX-FileCopyrightText: 2025 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:owncloud:owncloud";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.125576");
  script_version("2025-12-10T05:45:47+0000");
  script_tag(name:"last_modification", value:"2025-12-10 05:45:47 +0000 (Wed, 10 Dec 2025)");
  script_tag(name:"creation_date", value:"2025-12-09 09:34:01 +0000 (Tue, 09 Dec 2025)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");

  script_cve_id("CVE-2025-53827", "CVE-2025-53829");

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

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

  script_name("ownCloud < 10.15.3 Multiple Vulnerabilities");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_owncloud_http_detect.nasl");
  script_mandatory_keys("owncloud/detected");

  script_tag(name:"summary", value:"ownCloud 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 flaws exist:

  - CVE-2025-53827: The web updater functionality presents security risks and is not
  recommended for use. It can cause more security issues than benefits.

  - CVE-2025-53829: ownCloud allows arbitrary remote service resolution for services such
  as webdav, caldav, etc, which could potentially be exploited by attackers.");

  script_tag(name:"affected", value:"ownCloud prior to version 10.15.3.");

  script_tag(name:"solution", value:"Update to version 10.15.3 or later.");

  script_xref(name:"URL", value:"https://owncloud.com/changelog/server/#changelog-for-owncloud-core-10153-2025-07-04");
  script_xref(name:"URL", value:"https://github.com/owncloud/core/issues/41149");
  script_xref(name:"URL", value:"https://github.com/owncloud/core/pull/41385");
  script_xref(name:"URL", value:"https://github.com/owncloud/core/pull/41425#discussion_r2573112442");
  script_xref(name:"URL", value:"https://github.com/owncloud/core/pull/41374");

  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: "10.15.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "10.15.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);