CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
68.6%
libupnp is prone to a DNS rebind vulnerability.
# 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:libupnp_project:libupnp";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.145814");
script_version("2021-08-17T12:00:57+0000");
script_tag(name:"last_modification", value:"2021-08-17 12:00:57 +0000 (Tue, 17 Aug 2021)");
script_tag(name:"creation_date", value:"2021-04-22 07:49:34 +0000 (Thu, 22 Apr 2021)");
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:3.1/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:"2021-04-27 19:48:00 +0000 (Tue, 27 Apr 2021)");
script_cve_id("CVE-2021-29462");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("lipupnp < 1.14.6 DNS Rebind Vulnerability (GHSA-6hqq-w3jq-9fhg)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("General");
script_dependencies("gb_libupnp_consolidation.nasl");
script_mandatory_keys("libupnp/detected");
script_tag(name:"summary", value:"libupnp is prone to a DNS rebind vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The server part of pupnp (libupnp) is vulnerable to
DNS-rebinding attacks because it does not check the value of the Host header.
A remote web server can exploit this vulnerability to trick the user browser into
triggering actions on the local UPnP services implemented using this library. Depending on the
affected service, this could be used for data exfiltration, data tempering, etc.");
script_tag(name:"impact", value:"This vulnerability can be used to exfiltrate the content of
the media files exposed by a UPnP AV MediaServer server. Moreover, it could be possible to
delete or upload files if this is enabled in the server configuration.");
script_tag(name:"affected", value:"libupnp prior to version 1.14.6.");
script_tag(name:"solution", value:"Update to version 1.14.6 or later.");
script_xref(name:"URL", value:"https://github.com/pupnp/pupnp/security/advisories/GHSA-6hqq-w3jq-9fhg");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!port = get_app_port(cpe: CPE))
exit(0);
if (!infos = get_app_full(cpe: CPE, port: port, exit_no_version: TRUE))
exit(0);
version = infos["version"];
location = infos["location"];
proto = infos["proto"];
if (version_is_less(version: version, test_version: "1.14.6")) {
report = report_fixed_ver(installed_version: version, fixed_version: "1.14.6", install_path: location);
security_message(port: port, data: report, proto: proto);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
68.6%