Siemens RUGGEDCOM ROX Improper Handling of Insufficient Permissions or Privileges (CVE-2021-37175)

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

include('compat.inc');

if (description)
{
  script_id(501636);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/04");

  script_cve_id("CVE-2021-37175");
  script_xref(name:"ICSA", value:"21-259-01");

  script_name(english:"Siemens RUGGEDCOM ROX Improper Handling of Insufficient Permissions or Privileges (CVE-2021-37175)");

  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 RUGGEDCOM ROX MX5000 (All
versions < V2.14.1), RUGGEDCOM ROX RX1400 (All versions < V2.14.1),
RUGGEDCOM ROX RX1500 (All versions < V2.14.1), RUGGEDCOM ROX RX1501
(All versions < V2.14.1), RUGGEDCOM ROX RX1510 (All versions <
V2.14.1), RUGGEDCOM ROX RX1511 (All versions < V2.14.1), RUGGEDCOM ROX
RX1512 (All versions < V2.14.1), RUGGEDCOM ROX RX1524 (All versions <
V2.14.1), RUGGEDCOM ROX RX1536 (All versions < V2.14.1), RUGGEDCOM ROX
RX5000 (All versions < V2.14.1). The affected devices do not properly
handle permissions to traverse the file system. If exploited, an
attacker could gain access to an overview of the complete file system
on the affected devices.

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-150692.pdf");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-21-259-01");
  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 has released an update and recommends users update to v2.14.1 or later version.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce the risk:

- Apply the principle of least privileges for accounts configured on the affected devices.

As a general security measure, Siemens strongly recommends users protect network access to devices with appropriate
mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends users configure the
environment according to Siemens’ operational guidelines for industrial security and follow 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 about this issue, please see Siemens Security Advisory SSA-150692");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:L/PR:N/UI:N/S:U/C:L/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-2021-37175");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(755);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/14");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_mx5000_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1400_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1500_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1501_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1510_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1511_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1512_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1524_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1536_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx5000_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) 2023-2024 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:ruggedcom_rox_rx1400_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_mx5000_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1500_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1501_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1510_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1511_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1512_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1524_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1536_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx5000_firmware" :
        {"versionEndExcluding" : "2.14.1", "family" : "RuggedCom"}
};

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