Kibana ESA-2018-03

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(121166);
  script_version("1.2");
  script_cvs_date("Date: 2019/10/31 15:18:51");

  script_cve_id("CVE-2018-3819");

  script_name(english:"Kibana ESA-2018-03");
  script_summary(english:"Checks the version of Kibana.");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server hosts a Java application that is vulnerable.");
  script_set_attribute(attribute:"description", value:
"The fix in Kibana for ESA-2017-23 was incomplete. With X-Pack security
enabled, Kibana versions before 5.6.7 and 6.1.3 have an open redirect
vulnerability on the login page that would enable an attacker to craft
a link that redirects to an arbitrary website.");
  # https://www.elastic.co/community/security
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3f00797e");
  script_set_attribute(attribute:"solution", value:
"Users should upgrade to Kibana version 5.6.7 or 6.1.3. There are no
known workarounds for this issue.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-3819");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/14");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:elasticsearch:kibana");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("kibana_web_detect.nbin");
  script_require_keys("installed_sw/Kibana");
  script_require_ports("Services/www", 5601);

  exit(0);
}

include("audit.inc");
include("http.inc");
include("vcf.inc");

app = "Kibana";

get_install_count(app_name:app, exit_if_zero:TRUE);

port = get_http_port(default:5601);

app_info = vcf::get_app_info(app:app, port:port, webapp:TRUE);

if (empty_or_null(app_info["Plugins/X-Pack/security"]))
  audit(AUDIT_WEB_APP_EXT_NOT_INST, app, app_info["path"], "X-Pack Security plugin");

constraints = [
  { "min_version" : "5.0.0", "fixed_version" : "5.6.7" },
  { "min_version" : "6.0.0", "fixed_version" : "6.1.3" }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);