5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.7%
A sensitive data disclosure flaw was found in the way Logstash logs malformed
URLs.
# Copyright (C) 2019 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:elastic:logstash";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.142176");
script_version("2021-08-30T11:01:18+0000");
script_tag(name:"last_modification", value:"2021-08-30 11:01:18 +0000 (Mon, 30 Aug 2021)");
script_tag(name:"creation_date", value:"2019-03-27 21:39:17 +0000 (Wed, 27 Mar 2019)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
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:"2020-10-05 20:38:00 +0000 (Mon, 05 Oct 2020)");
script_cve_id("CVE-2019-7612");
# The Logstash version might differ from the Elasticsearch version detected
# by gb_elastic_elasticsearch_detect_http.nasl
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Elastic Logstash Information Disclosure Vulnerability (ESA-2019-05)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
script_family("Web application abuses");
script_dependencies("gb_elastic_elasticsearch_detect_http.nasl");
script_mandatory_keys("elastic/logstash/detected");
script_tag(name:"summary", value:"A sensitive data disclosure flaw was found in the way Logstash logs malformed
URLs.");
script_tag(name:"impact", value:"If a malformed URL is specified as part of the Logstash configuration, the
credentials for the URL could be inadvertently logged as part of the error message.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"Logstash versions before 6.6.1 and 5.6.15.");
script_tag(name:"solution", value:"Update to version 5.6.15, 6.6.1 or later.");
script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-6-6-1-and-5-6-15-security-update/169077");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (isnull(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'];
path = infos['location'];
if (version_is_less(version: version, test_version: "5.6.15")) {
report = report_fixed_ver(installed_version: version, fixed_version: "5.6.15", install_path: path);
security_message(port: port, data: report);
exit(0);
}
if (version =~ "^6\.") {
if (version_is_less(version: version, test_version: "6.6.1")) {
report = report_fixed_ver(installed_version: version, fixed_version: "6.6.1", install_path: path);
security_message(port: port, data: report);
exit(0);
}
}
exit(99);
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.008 Low
EPSS
Percentile
81.7%