8.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:C/I:C/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.923 High
EPSS
Percentile
99.0%
Meinberg LANTIME NTP Timeserver devices are prone to multiple
vulnerabilities.
# Copyright (C) 2016 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:/o:meinbergglobal:lantime_firmware";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106110");
script_version("2023-03-02T10:19:53+0000");
script_tag(name:"last_modification", value:"2023-03-02 10:19:53 +0000 (Thu, 02 Mar 2023)");
script_tag(name:"creation_date", value:"2016-06-24 16:45:17 +0700 (Fri, 24 Jun 2016)");
script_tag(name:"cvss_base", value:"8.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:N");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-09-03 01:29:00 +0000 (Sun, 03 Sep 2017)");
script_cve_id("CVE-2016-3962", "CVE-2016-3988", "CVE-2016-3989", "CVE-2016-4953",
"CVE-2016-4954", "CVE-2016-4955", "CVE-2016-4956", "CVE-2016-4957");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Meinberg LANTIME < 6.20.005 Multiple Vulnerabilities (MBGSA-1604)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_meinberg_lantime_consolidation.nasl");
script_mandatory_keys("meinberg/lantime/detected", "meinberg/lantime/model");
script_tag(name:"summary", value:"Meinberg LANTIME NTP Timeserver devices are 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-2016-3962: Remote stack buffer overflow vulnerability involving parsing of parameter in POST
request in function provides privilege of web server 'nobody'.
- CVE-2016-3988: Remote stack buffer overflow vulnerability is present while parsing nine
different parameters in POST request in function.
- CVE-2016-3989: Weak access controls allow for privilege escalation from 'nobody' to 'root' user.
'nobody' has permissions to alter script that can only run as 'root'.
- CVE-2016-4953, CVE-2016-4954, CVE-2016-4955, CVE-2016-4956, CVE-2016-4957: Multiple
vulnerabilities in NTP.");
script_tag(name:"impact", value:"Successful exploitation of these vulnerabilities could cause a
buffer overflow condition that may allow escalation to root privileges.");
script_tag(name:"affected", value:"Meinberg LANTIME devices with firmware versions prior to
6.20.005.");
script_tag(name:"solution", value:"Update to firmware version 6.20.005 or later.");
script_xref(name:"URL", value:"https://www.meinbergglobal.com/english/news/meinberg-security-advisory-mbgsa-1604-webui-and-ntp.htm");
script_xref(name:"URL", value:"https://ics-cert.us-cert.gov/advisories/ICSA-16-175-03");
script_xref(name:"URL", value:"https://www.kb.cert.org/vuls/id/321640");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (!version = get_app_version(cpe: CPE, nofork: TRUE))
exit(0);
if (!model = get_kb_item("meinberg/lantime/model"))
exit(0);
if (model !~ "^(m|sf)")
exit(99);
if (version_is_less(version: version, test_version: "6.20.005")) {
report = report_fixed_ver(installed_vers: version, fixed_version: "6.20.005");
security_message(port: 0, data: report);
exit(0);
}
exit(99);
8.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:C/I:C/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.923 High
EPSS
Percentile
99.0%