Siemens SIMATIC and SCALANCE Devices Type Confusion (CVE-2023-23454)

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

include('compat.inc');

if (description)
{
  script_id(502908);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/10/29");

  script_cve_id("CVE-2023-23454");
  script_xref(name:"ICSA", value:"25-044-09");

  script_name(english:"Siemens SIMATIC and SCALANCE Devices Type Confusion (CVE-2023-23454)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4
allows attackers to cause a denial of service (slab-out-of-bounds
read) because of type confusion (non-negative numbers can sometimes
indicate a TC_ACT_SHOT condition rather than valid classification
results).

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-794697.pdf");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-806742.pdf");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/html/ssa-769027.html");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109977720/");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109827684/");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109826613/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-25-044-09");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-23454");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(843);

  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:"2025/02/24");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wab762-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam763-1_%28me%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam763-1_%28us%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam763-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_%28me%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_%28us%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_eec_%28me%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_eec_%28us%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_eec_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wam766-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wub762-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wub762-1_ifeatures_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum763-1_%28us%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum763-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum766-1_%28me%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum766-1_%28usa%29_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_wum766-1_firmware:3.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xch328_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xcm324_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xcm328_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xcm332_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrh334_%2824_v_dc%2c_8xfo%2c_cc%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%28230_v_ac%2c_12xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%28230_v_ac%2c_8xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%2824_v_dc%2c_12xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%2824_v_dc%2c_8xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%282x230_v_ac%2c_12xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm334_%282x230_v_ac%2c_8xfo%29_firmware:2.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:simatic_s7-1500_tm_mfp");
  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" :
        {"versionStartIncluding" : "1.0", "versionEndIncluding" : "1.0", "family" : "S71500", "orderNumbers": ["6ES7558-1AA00-0AB0"]},
    "cpe:/o:siemens:scalance_xch328_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5328-4TS01-2EC2']},
    "cpe:/o:siemens:scalance_xcm324_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX300", "orderNumbers" : ['6GK5324-8TS01-2AC2']},
    "cpe:/o:siemens:scalance_xcm328_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX300", "orderNumbers" : ['6GK5328-4TS01-2AC2']},
    "cpe:/o:siemens:scalance_xrh334_%2824_v_dc%2c_8xfo%2c_cc%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-2TS01-2ER3']},
    "cpe:/o:siemens:scalance_xrm334_%28230_v_ac%2c_12xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-3TS01-3AR3']},
    "cpe:/o:siemens:scalance_xrm334_%28230_v_ac%2c_8xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-2TS01-3AR3']},
    "cpe:/o:siemens:scalance_xrm334_%2824_v_dc%2c_12xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-3TS01-2AR3']},
    "cpe:/o:siemens:scalance_xrm334_%2824_v_dc%2c_8xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-2TS01-2AR3']},
    "cpe:/o:siemens:scalance_xrm334_%282x230_v_ac%2c_12xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-3TS01-4AR3']},
    "cpe:/o:siemens:scalance_xrm334_%282x230_v_ac%2c_8xfo%29_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX", "orderNumbers" : ['6GK5334-2TS01-4AR3']},
    "cpe:/o:siemens:scalance_xcm332_firmware:2.4" :
        {"versionEndExcluding" : "2.4", "family" : "SCALANCEX300", "orderNumbers" : ['6GK5332-0GA01-2AC2']},
    "cpe:/o:siemens:scalance_wab762-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5762-1AJ00-6AA0']},
    "cpe:/o:siemens:scalance_wam763-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5763-1AL00-7DA0']},
    "cpe:/o:siemens:scalance_wam763-1_%28me%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5763-1AL00-7DC0']},
    "cpe:/o:siemens:scalance_wam763-1_%28us%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5763-1AL00-7DB0']},
    "cpe:/o:siemens:scalance_wam766-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7DA0']},
    "cpe:/o:siemens:scalance_wam766-1_%28me%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7DC0']},
    "cpe:/o:siemens:scalance_wam766-1_%28us%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7DB0']},
    "cpe:/o:siemens:scalance_wam766-1_eec_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7TA0']},
    "cpe:/o:siemens:scalance_wam766-1_eec_%28me%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7TC0']},
    "cpe:/o:siemens:scalance_wam766-1_eec_%28us%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-7TB0']},
    "cpe:/o:siemens:scalance_wub762-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5762-1AJ00-1AA0']},
    "cpe:/o:siemens:scalance_wub762-1_ifeatures_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5762-1AJ00-2AA0']},
    "cpe:/o:siemens:scalance_wum763-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5763-1AL00-3AA0', '6GK5763-1AL00-3DA0']},
    "cpe:/o:siemens:scalance_wum763-1_%28us%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5763-1AL00-3DB0', '6GK5763-1AL00-3AB0']},
    "cpe:/o:siemens:scalance_wum766-1_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-3DA0']},
    "cpe:/o:siemens:scalance_wum766-1_%28me%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-3DC0']},
    "cpe:/o:siemens:scalance_wum766-1_%28usa%29_firmware:3.0.0" :
        {"versionEndExcluding" : "3.0.0", "family" : "SCALANCEW", "orderNumbers" : ['6GK5766-1GE00-3DB0']}
};

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