CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
39.7%
Nextcloud Server is prone to a denial of service (DoS)
vulnerability.
# SPDX-FileCopyrightText: 2022 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-or-later
CPE = "cpe:/a:nextcloud:nextcloud_server";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.124223");
script_version("2023-10-19T05:05:21+0000");
script_tag(name:"last_modification", value:"2023-10-19 05:05:21 +0000 (Thu, 19 Oct 2023)");
script_tag(name:"creation_date", value:"2022-12-06 13:04:16 +0000 (Tue, 06 Dec 2022)");
script_tag(name:"cvss_base", value:"3.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:M/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-12-05 19:32:00 +0000 (Mon, 05 Dec 2022)");
script_cve_id("CVE-2022-41969");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Nextcloud Server < 23.0.11, 24.x < 24.0.7 DoS Vulnerability (GHSA-4gm7-j7wg-m4fx)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_nextcloud_detect.nasl");
script_mandatory_keys("nextcloud/installed");
script_tag(name:"summary", value:"Nextcloud Server is prone to a denial of service (DoS)
vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"impact", value:"An administrator can cause a limited DoS attack against their
own server.");
script_tag(name:"affected", value:"Nextcloud Server versions through 23.0.10 and 24.x through
24.0.6.");
script_tag(name:"solution", value:"Update to version 23.0.11, 24.0.7, 25.0.0 or later.");
script_xref(name:"URL", value:"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4gm7-j7wg-m4fx");
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: "23.0.11")) {
report = report_fixed_ver(installed_version: version, fixed_version: "23.0.11", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "24.0", test_version_up: "24.0.7")) {
report = report_fixed_ver(installed_version: version, fixed_version: "24.0.7", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
39.7%