5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
46.2%
Elastic Kibana is prone to a denial of service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2017 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:/a:elastic:kibana";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811406");
script_version("2023-07-14T16:09:27+0000");
script_cve_id("CVE-2017-8452");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-10-19 11:57:00 +0000 (Mon, 19 Oct 2020)");
script_tag(name:"creation_date", value:"2017-07-03 20:01:42 +0530 (Mon, 03 Jul 2017)");
script_name("Elastic Kibana 'SSL Client Access' DoS Vulnerability");
script_tag(name:"summary", value:"Elastic Kibana is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The Flaw is due to Kibana is configured for SSL
client access, file descriptors will fail to be cleaned up after certain requests
and will accumulate over time until the process crashes. Requests that are
canceled before data is sent can also crash the process.");
script_tag(name:"impact", value:"Successful exploitation will lead to denial of
service condition.");
script_tag(name:"affected", value:"Elastic Kibana version 5.x prior to
5.2.1.");
script_tag(name:"solution", value:"Update to Elastic Kibana version
5.2.1 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_xref(name:"URL", value:"https://www.elastic.co/community/security");
script_copyright("Copyright (C) 2017 Greenbone AG");
script_category(ACT_GATHER_INFO);
script_family("Web application abuses");
script_dependencies("gb_elastic_kibana_detect_http.nasl");
script_mandatory_keys("elastic/kibana/detected");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!kibanaPort = get_app_port(cpe:CPE)){
exit(0);
}
if(!kibanaVer = get_app_version(cpe:CPE, port:kibanaPort)){
exit(0);
}
if(version_in_range(version:kibanaVer, test_version:"5.0", test_version2:"5.2.0"))
{
report = report_fixed_ver(installed_version:kibanaVer, fixed_version:"5.2.1");
security_message(data:report, port:kibanaPort);
exit(0);
}
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
46.2%