Splunk Enterprise Deployment Server < 9.0 Improper Authorization

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

include('compat.inc');

if (description)
{
  script_id(164074);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/23");

  script_cve_id("CVE-2022-32157");
  script_xref(name:"IAVA", value:"2022-A-0251-S");

  script_name(english:"Splunk Enterprise Deployment Server < 9.0 Improper Authorization");

  script_set_attribute(attribute:"synopsis", value:
"An application running on a remote web server host may be affected by an improper authorization vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Splunk Enterprise installed on the remote host is prior to 9.0. It may, therefore, be affected by an
improper authorization vulnerability if the Deployment Server component is in use where forwarder bundles can be
downloaded without authentication.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://www.splunk.com/en_us/product-security/announcements/svd-2022-0607.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9e1a156a");
  script_set_attribute(attribute:"solution", value:
"Upgrade Splunk Enterprise to version 9.0, or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/UI:N/S:U/C:H/I:N/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-2022-32157");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/06/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/06/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/08/11");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:splunk:splunk");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("splunkd_detect.nasl", "splunk_web_detect.nasl", "macos_splunk_installed.nbin", "splunk_win_installed.nbin");
  script_require_keys("installed_sw/Splunk", "Settings/ParanoidReport");

  exit(0);
}

# Only impacts deployment servers and we have no way of checking if the component is enabled.
# Base Splunk Enterprise is not affected
if (report_paranoia < 2) audit(AUDIT_PARANOID);

include('vcf_extras_splunk.inc');

var app_info = vcf::splunk::get_app_info();

var constraints = [
  { 'fixed_version' : '9.0', 'license': 'Enterprise' }
];

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