Siemens POWER METER SICAM Q100 Stack-Based Buffer Overflow (CVE-2021-44165)

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

include('compat.inc');

if (description)
{
  script_id(501074);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2021-44165");

  script_name(english:"Siemens POWER METER SICAM Q100 Stack-Based Buffer Overflow (CVE-2021-44165)");

  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 POWER METER SICAM Q100 (All
versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41),
POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100
(All versions < V2.41). The affected firmware contains a buffer
overflow vulnerability in the web application that could allow a
remote attacker with engineer or admin priviliges to potentially
perform remote code execution.

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-496292.pdf");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-21-350-07");
  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 recommends the following:

- Update to v2.41 or later version
- Restrict access to the web server, e.g., with a firewall, and ensure that the privileged accounts are protected by
strong passwords.

As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate
mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment
according to Siemens’ operational guidelines for 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 see Siemens Security Advisory SSA-496292");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  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:H/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-44165");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(121);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/12/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/12/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/04/20");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:7kg9501-0aa01-0aa1_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:7kg9501-0aa01-2aa1_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:7kg9501-0aa31-0aa1_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:7kg9501-0aa31-2aa1_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:7kg9501-0aa01-2aa1_firmware" :
        {"versionEndExcluding" : "2.41", "family" : "SicamQ100"},
    "cpe:/o:siemens:7kg9501-0aa31-0aa1_firmware" :
        {"versionEndExcluding" : "2.41", "family" : "SicamQ100"},
    "cpe:/o:siemens:7kg9501-0aa31-2aa1_firmware" :
        {"versionEndExcluding" : "2.41", "family" : "SicamQ100"},
    "cpe:/o:siemens:7kg9501-0aa01-0aa1_firmware" :
        {"versionEndExcluding" : "2.41", "family" : "SicamQ100"}
};

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