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nessusThis script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.TENABLE_OT_SIEMENS_CVE-2022-24041.NASL
HistoryJan 25, 2023 - 12:00 a.m.

Siemens Desigo PXC and DXR Devices Use of Password Hash with Insufficient Computational Effort (CVE-2022-24041)

2023-01-2500:00:00
This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
10
siemens desigo
password hash
insufficient computational effort
cve-2022-24041
web application
offline cracking
tenable.ot

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

23.8%

A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). The web application stores the PBKDF2 derived key of users passwords with a low iteration count. An attacker with user profile access privilege can retrieve the stored password hashes of other accounts and then successfully perform an offline cracking attack and recover the plaintext passwords of other users.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

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

include('compat.inc');

if (description)
{
  script_id(500771);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2022-24041");

  script_name(english:"Siemens Desigo PXC and DXR Devices Use of Password Hash with Insufficient Computational Effort (CVE-2022-24041)");

  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 Desigo DXR2 (All versions <
V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo
PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions <
V02.20.142.10-10884). The web application stores the PBKDF2 derived
key of users passwords with a low iteration count. An attacker with
user profile access privilege can retrieve the stored password hashes
of other accounts and then successfully perform an offline cracking
attack and recover the plaintext passwords of other users.

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-626968.pdf");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-22-132-10");
  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 updating to the latest software version:

- Desigo DXR2: Update to v01.21.142.5-22 or later 
- Desigo PXC3: Update to v01.21.142.4-18 or later 
- Desigo PXC4: Update to v02.20.142.10-10884 or later 
- Desigo PXC5: Update to v02.20.142.10-10884 or later

Contact Siemens for update information.

As a general security measure, Siemens 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 SiemensҀ™
operational guidelines for industrial security and following the recommendations in the product manuals.

For additional information, please refer to Siemens Security Advisory SSA-626968

For additional information, please refer to Siemens Security Advisory SSA-662649");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/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-2022-24041");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(916);

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/05/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/01/25");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:desigo_dxr2_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:desigo_pxc3_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:desigo_pxc4_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:desigo_pxc5_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:desigo_pxc5_firmware" :
        {"versionEndExcluding" : "02.20.142.10-10884", "family" : "Desigo"},
    "cpe:/o:siemens:desigo_pxc4_firmware" :
        {"versionEndExcluding" : "02.20.142.10-10884", "family" : "Desigo"},
    "cpe:/o:siemens:desigo_pxc3_firmware" :
        {"versionEndExcluding" : "01.21.142.4-18", "family" : "Desigo"},
    "cpe:/o:siemens:desigo_dxr2_firmware" :
        {"versionEndExcluding" : "01.21.142.5-22", "family" : "Desigo"}
};

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

AI Score

6.9

Confidence

High

EPSS

0.001

Percentile

23.8%

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