Elasticsearch 7.0.x < 8.19.8 / 9.0.x < 9.1.8 / 9.2.x < 9.2.2 (ESA-2025-27)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(279410);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/20");

  script_cve_id("CVE-2025-37731");
  script_xref(name:"IAVA", value:"2025-A-0934");

  script_name(english:"Elasticsearch 7.0.x < 8.19.8 / 9.0.x < 9.1.8 / 9.2.x < 9.2.2 (ESA-2025-27)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of Elasticsearch installed on the remote host is 7.0 prior to 8.19.8, 9.0 prior to 9.1.8, or 9.2.0 prior 
to 9.2.2. It is, therefore, affected by a vulnerability as referenced in the ESA-2025-27 advisory.

  - Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under
    specific preconditions when auditing requests to the reindex API. (CVE-2025-37731)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3b52d6c5");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Elasticsearch version 8.19.8, 9.1.8, and 9.2.2 as appropriate for your release branch.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/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:H/PR:N/UI:N/S:U/C:H/I:H/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-2025-37731");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/12/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/12/19");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:elasticsearch:elasticsearch");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:elastic:elasticsearch");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("elasticsearch_detect.nbin", "elastic_elasticsearch_nix_installed.nbin");
  script_require_keys("installed_sw/Elasticsearch");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'linux'}}
  ],
  'checks': [
    {
      'product': {'name': 'Elasticsearch', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints' : [
         { 'min_version' : '7.0.0', 'fixed_version' : '8.19.8' },
         { 'min_version' : '9.0.0', 'fixed_version' : '9.1.8' },
         { 'min_version' : '9.2.0', 'fixed_version' : '9.2.2' }
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_HOLE);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);