9.8 High
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
Low
10 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.025 Low
EPSS
Percentile
90.1%
QNAP QTS is prone to multiple ClamAV vulnerabilities.
# SPDX-FileCopyrightText: 2018 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-only
CPE = "cpe:/o:qnap:qts";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.813520");
script_version("2023-09-27T05:05:31+0000");
script_tag(name:"last_modification", value:"2023-09-27 05:05:31 +0000 (Wed, 27 Sep 2023)");
script_tag(name:"creation_date", value:"2018-06-11 17:13:13 +0530 (Mon, 11 Jun 2018)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_cve_id("CVE-2017-12374", "CVE-2017-12375", "CVE-2017-12376", "CVE-2017-12377",
"CVE-2017-12378", "CVE-2017-12379", "CVE-2017-12380");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"VendorFix");
script_name("QNAP QTS Multiple ClamAV Vulnerabilities (NAS-201805-23)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Web application abuses");
script_dependencies("gb_qnap_nas_http_detect.nasl");
script_mandatory_keys("qnap/nas/qts/detected");
script_tag(name:"summary", value:"QNAP QTS is prone to multiple ClamAV vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to:
- A lack of input validation checking mechanisms during certain mail parsing operations and
functions.
- An improper input validation checking mechanisms when handling Portable Document Format (.pdf)
files sent to an affected device.
- An improper input validation checking mechanisms in mew packet files sent to an affected device.
- An improper input validation checking mechanisms of '.tar' (Tape Archive) files sent to an
affected device.
- An improper input validation checking mechanisms in the message parsing function on an affected
system.
- An improper input validation checking mechanisms during certain mail parsing functions of the
ClamAV software.");
script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to launch
denial of service (DoS) attacks or run arbitrary code on the NAS.");
script_tag(name:"affected", value:"QNAP QTS version 4.2.6 through 4.2.6 build 20171208,
4.3.3 through 4.3.3 build 20180126 and 4.3.4 through 4.3.4 build 20180323.");
script_tag(name:"solution", value:"Update to QNAP QTS 4.2.6 build 20180504, 4.3.3 build 20180402,
4.3.4 build 20180413 or later.");
script_xref(name:"URL", value:"https://www.qnap.com/en-us/security-advisory/nas-201805-23");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if (!version = get_app_version(cpe: CPE, nofork: TRUE))
exit(0);
build = get_kb_item("qnap/nas/qts/build");
if (version =~ "^4\.2\.6") {
if (version_is_less(version: version, test_version: "4.2.6")) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20180504");
security_message(port: 0, data: report);
exit(0);
}
if (version_is_equal(version: version, test_version: "4.2.6") &&
(!build || version_is_less(version: build, test_version: "20180504"))) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.2.6", fixed_build: "20180504");
security_message(port: 0, data: report);
exit(0);
}
}
if (version =~ "^4\.3\.[0123]") {
if (version_is_less(version: version, test_version: "4.3.3")) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3", fixed_build: "20180402");
security_message(port: 0, data: report);
exit(0);
}
if (version_is_equal(version: version, test_version: "4.3.3") &&
(!build || version_is_less(version: build, test_version: "20180402"))) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.3", fixed_build: "20180402");
security_message(port: 0, data: report);
exit(0);
}
}
if (version =~ "^4\.3\.4") {
if (version_is_less(version: version, test_version: "4.3.4")) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4", fixed_build: "20180413");
security_message(port: 0, data: report);
exit(0);
}
if (version_is_equal(version: version, test_version: "4.3.4") &&
(!build || version_is_less(version: build, test_version: "20180413"))) {
report = report_fixed_ver(installed_version: version, installed_build: build, fixed_version: "4.3.4", fixed_build: "20180413");
security_message(port: 0, data: report);
exit(0);
}
}
exit(99);
9.8 High
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
Low
10 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.025 Low
EPSS
Percentile
90.1%