CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
85.0%
Grafana is prone to a directory traversal vulnerability for
# Copyright (C) 2021 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:grafana:grafana";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.147337");
script_version("2021-12-16T10:21:14+0000");
script_tag(name:"last_modification", value:"2021-12-16 10:21:14 +0000 (Thu, 16 Dec 2021)");
script_tag(name:"creation_date", value:"2021-12-16 04:12:41 +0000 (Thu, 16 Dec 2021)");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-12-14 19:15:00 +0000 (Tue, 14 Dec 2021)");
script_cve_id("CVE-2021-43813", "CVE-2021-43815");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Grafana 5.0.0 - 8.3.1 Directory Traversal Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_grafana_http_detect.nasl");
script_mandatory_keys("grafana/detected");
script_tag(name:"summary", value:"Grafana is prone to a directory traversal vulnerability for
'.md' files.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Grafana contains a directory traversal vulnerability for fully
lowercase or fully uppercase .md files. The vulnerability is limited in scope, and only allows
access to files with the extension .md to authenticated users only.");
script_tag(name:"affected", value:"Grafana version 5.0.0 through 8.3.1.");
script_tag(name:"solution", value:"Update to version 7.5.12, 8.3.2 or later.");
script_xref(name:"URL", value:"https://github.com/grafana/grafana/security/advisories/GHSA-c3q8-26ph-9g2q");
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_in_range(version: version, test_version: "5.0.0", test_version2: "7.5.11")) {
report = report_fixed_ver(installed_version: version, fixed_version: "7.5.12", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range(version: version, test_version: "8.0.0", test_version2: "8.3.1")) {
report = report_fixed_ver(installed_version: version, fixed_version: "8.3.2", 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
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
85.0%