Siemens SIMATIC S7-1500 TM MFP BIOS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2022-3435)

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

include('compat.inc');

if (description)
{
  script_id(502987);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/11/14");

  script_cve_id("CVE-2022-3435");
  script_xref(name:"ICSA", value:"23-166-10");

  script_name(english:"Siemens SIMATIC S7-1500 TM MFP BIOS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2022-3435)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A vulnerability classified as problematic has been found in Linux
Kernel. This affects the function fib_nh_match of the file
net/ipv4/fib_semantics.c of the component IPv4 Handler. The
manipulation leads to out-of-bounds read. It is possible to initiate
the attack remotely. It is recommended to apply a patch to fix this
issue. The identifier VDB-210357 was assigned to this vulnerability.

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-831302.pdf");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-625862.pdf");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109945851/");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109954475/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-23-166-10");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  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:L/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-3435");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/06/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/06/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/02/25");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_cp_1542sp-1_firmware:2.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_cp_1542sp-1_irc_firmware:2.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_cp_1543sp-1_firmware:2.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1500_tm_mfp");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware:2.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_et_200sp_cp_1543sp-1_isec_firmware:2.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware:2.3");
  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) 2025 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_s7-1500_tm_mfp" :
        {"versionEndExcluding" : "1.3", "family" : "S71500", "orderNumbers": ["6ES7558-1AA00-0AB0"]},
    "cpe:/o:siemens:simatic_cp_1542sp-1_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "S71500", "orderNumbers" : ['6GK7542-6UX00-0XE0']},
    "cpe:/o:siemens:simatic_cp_1542sp-1_irc_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "S71500", "orderNumbers" : ['6GK7542-6VX00-0XE0']},
    "cpe:/o:siemens:simatic_cp_1543sp-1_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "S71500", "orderNumbers" : ['6GK7543-6WX00-0XE0']},
    "cpe:/o:siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "ET200", "orderNumbers" : ['6AG2542-6VX00-4XE0']},
    "cpe:/o:siemens:siplus_et_200sp_cp_1543sp-1_isec_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "ET200", "orderNumbers" : ['6AG1543-6WX00-7XE0']},
    "cpe:/o:siemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware:2.3" :
        {"versionEndExcluding" : "2.3", "family" : "ET200", "orderNumbers" : ['6AG2543-6WX00-4XE0']}
};

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