Siemens SCALANCE X-200RNA Switch Devices Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2016-0778)

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

include('compat.inc');

if (description)
{
  script_id(503124);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/03/13");

  script_cve_id("CVE-2016-0778");
  script_xref(name:"ICSA", value:"22-349-21");

  script_name(english:"Siemens SCALANCE X-200RNA Switch Devices Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2016-0778)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The (1) roaming_read and (2) roaming_write functions in
roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before
7.1p2, when certain proxy and forward options are enabled, do not
properly maintain connection file descriptors, which allows remote
servers to cause a denial of service (heap-based buffer overflow) or
possibly have unspecified other impact by requesting many forwardings.

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-412672.pdf");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109814809/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-22-349-21");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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-2016-0778");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(119);

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/13");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_x204rna_%28hsr%29_firmware:3.2.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_x204rna_%28prp%29_firmware:3.2.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_x204rna_eec_%28hsr%29_firmware:3.2.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_x204rna_eec_%28prp%29_firmware:3.2.7");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_x204rna_eec_%28prp%2fhsr%29_firmware:3.2.7");
  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:scalance_x204rna_%28hsr%29_firmware:3.2.7" :
        {"versionEndExcluding" : "3.2.7", "family" : "SCALANCEX200", "orderNumbers" : ['6GK5204-0BA00-2MB2']},
    "cpe:/o:siemens:scalance_x204rna_%28prp%29_firmware:3.2.7" :
        {"versionEndExcluding" : "3.2.7", "family" : "SCALANCEX200", "orderNumbers" : ['6GK5204-0BA00-2KB2']},
    "cpe:/o:siemens:scalance_x204rna_eec_%28hsr%29_firmware:3.2.7" :
        {"versionEndExcluding" : "3.2.7", "family" : "SCALANCEX200", "orderNumbers" : ['6GK5204-0BS00-2NA3']},
    "cpe:/o:siemens:scalance_x204rna_eec_%28prp%29_firmware:3.2.7" :
        {"versionEndExcluding" : "3.2.7", "family" : "SCALANCEX200", "orderNumbers" : ['6GK5204-0BS00-3LA3']},
    "cpe:/o:siemens:scalance_x204rna_eec_%28prp%2fhsr%29_firmware:3.2.7" :
        {"versionEndExcluding" : "3.2.7", "family" : "SCALANCEX200", "orderNumbers" : ['6GK5204-0BS00-3PA3']}
};

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