Siemens SCALANCE W1750D Cryptographic Issues (CVE-2017-13099)

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

include('compat.inc');

if (description)
{
  script_id(501025);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/24");

  script_cve_id("CVE-2017-13099");

  script_name(english:"Siemens SCALANCE W1750D Cryptographic Issues (CVE-2017-13099)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle
when any TLS cipher suite using RSA key exchange is negotiated. An
attacker can recover the private key from a vulnerable wolfSSL
application. This vulnerability is referred to as ROBOT.

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:"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-002.txt");
  script_set_attribute(attribute:"see_also", value:"http://www.kb.cert.org/vuls/id/144389");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/102174");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-464260.pdf");
  script_set_attribute(attribute:"see_also", value:"https://github.com/wolfSSL/wolfssl/pull/1229");
  script_set_attribute(attribute:"see_also", value:"https://robotattack.org/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-18-282-02");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

Siemens provides a firmware update (v8.3.0.1) and recommends users to update to the new version. This update can be
found on their website at the following location:

https://support.industry.siemens.com/cs/us/en/view/109760581 

To reduce the risk, Siemens recommends administrators restrict access to the web interface of the affected devices.

As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate
mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends configuring the
environment according to Siemens’ operational guidelines for industrial security
(https://www.siemens.com/cert/operational-guidelines-industrial-security), and following the recommendations in the
product manuals.

Additional information on Industrial Security by Siemens can be found at: 

https://www.siemens.com/industrialsecurity

For more information on this vulnerability and associated software updates, please see Siemens security advisory
SSA-464260 on their website:

https://www.siemens.com/cert/advisories");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:H/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-2017-13099");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(203);

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/04/11");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_w1750d_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2023 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_w1750d_firmware" :
        {"versionEndExcluding" : "8.3.0.1", "family" : "SCALANCEW"}
};

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