Siemens SIMATIC S7-400 Uncontrolled Recursion (CVE-2022-47374)

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

include('compat.inc');

if (description)
{
  script_id(501855);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/04");

  script_cve_id("CVE-2022-47374");

  script_name(english:"Siemens SIMATIC S7-400 Uncontrolled Recursion (CVE-2022-47374)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A vulnerability has been identified in SIMATIC PC-Station Plus (All
versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC
S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3
PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All
versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS
S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS
S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3
PN/DP V7 (All versions). The affected products do not handle HTTP(S)
requests to the web server correctly. This could allow an attacker to
exhaust system resources and create a denial of service condition for
the device.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-892915.pdf");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/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-2022-47374");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(674);

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/12/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/12/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/04");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-400_cpu_412-2_pn_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-400_cpu_414-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-400_cpu_414f-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-400_cpu_416-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-400_cpu_416f-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_s7-400_cpu_414-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_s7-400_cpu_416-3_pn%2fdp_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Siemens");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

var asset = tenable_ot::assets::get(vendor:'Siemens');

var vuln_cpes = {
  "cpe:/o:siemens:simatic_s7-400_cpu_412-2_pn_firmware" :
      {"family" : "S7400", "orderNumbers":["6ES7412-2EK07-0AB0"]},
  "cpe:/o:siemens:simatic_s7-400_cpu_414-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6ES7414-3EM07-0AB0"]},
  "cpe:/o:siemens:simatic_s7-400_cpu_414f-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6ES7414-3FM07-0AB0"]},
  "cpe:/o:siemens:simatic_s7-400_cpu_416-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6ES7416-3ES07-0AB0"]},
  "cpe:/o:siemens:simatic_s7-400_cpu_416f-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6ES7416-3FS07-0AB0"]},
  "cpe:/o:siemens:siplus_s7-400_cpu_414-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6AG1414-3EM07-7AB0"]},
  "cpe:/o:siemens:siplus_s7-400_cpu_416-3_pn%2fdp_firmware" :
      {"family" : "S7400", "orderNumbers":["6AG1416-3ES07-7AB0"]}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);