Vulnerabilities > CVE-2018-3831 - Information Exposure vulnerability in Elastic Elasticsearch

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

include("compat.inc");

if (description)
{
  script_id(117665);
  script_version("1.3");
  script_cvs_date("Date: 2019/11/04");

  script_cve_id("CVE-2018-3831");

  script_name(english:"Elasticsearch ESA-2018-15");
  script_summary(english:"Checks the version of Elasticsearch.");

  script_set_attribute(attribute:"synopsis", value:
"Checks the version of Elasticsearch.");
  script_set_attribute(attribute:"description", value:
"Elasticsearch Alerting and Monitoring in versions before 6.4.1 or
5.6.12 have an information disclosure issue when secrets are
configured via the API. The Elasticsearch _cluster/settings API, when
queried, could leak sensitive configuration information such as
passwords, tokens, or usernames. This could allow an authenticated
Elasticsearch user to improperly view these details.");
  script_set_attribute(attribute:"see_also", value:"https://www.elastic.co/community/security");
  script_set_attribute(attribute:"solution", value:
"Users should upgrade to Elasticsearch version 6.4.1 or 5.6.12. There
are no known workarounds for this issue.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/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:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-3831");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/09/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/09/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/09/24");

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

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

  script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("elasticsearch_detect.nbin");
  script_require_keys("installed_sw/Elasticsearch");
  script_require_ports("Services/www", 9200);

  exit(0);
}

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

app = "Elasticsearch";

get_install_count(app_name:app, exit_if_zero:TRUE);

port = get_http_port(default:9200);

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

constraints = [
  { "min_version" : "5.0.0", "fixed_version" : "5.6.12" },
  { "min_version" : "6.0.0", "fixed_version" : "6.4.1" }
];

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

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

# The descriptive text and package checks in this plugin were
# extracted from VMware Security Advisory PHSA-2019-1.0-0205. The text
# itself is copyright (C) VMware, Inc.

include("compat.inc");

if (description)
{
  script_id(122899);
  script_version("1.2");
  script_cvs_date("Date: 2020/02/04");

  script_cve_id("CVE-2018-3831");

  script_name(english:"Photon OS 1.0: Elasticsearch PHSA-2019-1.0-0205");
  script_summary(english:"Checks the rpm output for the updated packages.");

  script_set_attribute(attribute:"synopsis", value:
"The remote PhotonOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"An update of the elasticsearch package has been released.");
  script_set_attribute(attribute:"see_also", value:"https://github.com/vmware/photon/wiki/Security-Updates-1.0-205.md");
  script_set_attribute(attribute:"solution", value:
"Update the affected Linux packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-14618");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/09/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:vmware:photonos:elasticsearch");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:photonos:1.0");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"PhotonOS Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/PhotonOS/release", "Host/PhotonOS/rpm-list");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

release = get_kb_item("Host/PhotonOS/release");
if (isnull(release) || release !~ "^VMware Photon") audit(AUDIT_OS_NOT, "PhotonOS");
if (release !~ "^VMware Photon (?:Linux|OS) 1\.0(\D|$)") audit(AUDIT_OS_NOT, "PhotonOS 1.0");

if (!get_kb_item("Host/PhotonOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "PhotonOS", cpu);

flag = 0;

if (rpm_check(release:"PhotonOS-1.0", reference:"elasticsearch-6.4.1-1.ph1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "elasticsearch");
}