CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
Percentile
19.4%
Opencast is prone to a improper authentication vulnerability.
# Copyright (C) 2022 Greenbone Networks GmbH
# 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
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/a:opencast:opencast";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.127023");
script_version("2022-12-05T10:11:03+0000");
script_tag(name:"last_modification", value:"2022-12-05 10:11:03 +0000 (Mon, 05 Dec 2022)");
script_tag(name:"creation_date", value:"2022-05-26 10:02:28 +0000 (Thu, 26 May 2022)");
script_tag(name:"cvss_base", value:"5.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:P/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-06-07 16:45:00 +0000 (Tue, 07 Jun 2022)");
script_cve_id("CVE-2022-29237");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Opencast < 10.14, 11.x < 11.7 Improper Authentication Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_opencast_detect.nasl");
script_mandatory_keys("opencast/detected");
script_tag(name:"summary", value:"Opencast is prone to a improper authentication vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Users can pass along URLs for files belonging to organizations
other than the user's own, which Opencast would then import into the current organization,
bypassing organizational barriers.");
script_tag(name:"impact", value:"The vulnerability allows attackers to bypass organizational
barriers. Attackers must have full access to Opencast's ingest REST interface, and also know
internal links to resources in another organization of the same Opencast cluster.");
script_tag(name:"affected", value:"Opencast prior to version 10.14 and version 11.x prior to
11.7.");
script_tag(name:"solution", value:"Update to version 10.14, 11.7 or later.");
script_xref(name:"URL", value:"https://github.com/opencast/opencast/security/advisories/GHSA-qm6v-cg9v-53j3");
script_xref(name:"URL", value:"https://github.com/opencast/opencast/commit/8d5ec1614eed109b812bc27b0c6d3214e456d4e7");
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: "10.14")) {
report = report_fixed_ver(installed_version: version, fixed_version: "10.14", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if(version_in_range_exclusive(version: version, test_version_lo: "11.0", test_version_up: "11.7")) {
report = report_fixed_ver(installed_version: version, fixed_version: "11.7", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
Percentile
19.4%