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Siemens SCALANCE M-800, RUGGEDCOM RM1224 Uncontrolled Resource Consumption (CVE-2023-44321)

medium Tenable OT Security Plugin ID 501870

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU, RUGGEDCOM RM1224 LTE(4G) NAM, SCALANCE M804PB, SCALANCE M812-1 ADSL- Router (Annex A), SCALANCE M812-1 ADSL-Router (Annex B), SCALANCE M816-1 ADSL-Router (Annex A), SCALANCE M816-1 ADSL-Router (Annex B), SCALANCE M826-2 SHDSL-Router, SCALANCE M874-2, SCALANCE M874-3, SCALANCE M876-3 (EVDO), SCALANCE M876-3 (ROK), SCALANCE M876-4, SCALANCE M876-4 (EU), SCALANCE M876-4 (NAM), SCALANCE MUM853-1 (EU), SCALANCE MUM856-1 (EU), SCALANCE MUM856-1 (RoW), SCALANCE S615, SCALANCE S615 EEC, SCALANCE XB205-3 (SC, PN), SCALANCE XB205-3 (ST, E/IP), SCALANCE XB205-3 (ST, E/IP), SCALANCE XB205-3 (ST, PN), SCALANCE XB205-3LD (SC, E/IP), SCALANCE XB205-3LD (SC, PN), SCALANCE XB208 (E/IP), SCALANCE XB208 (PN), SCALANCE XB213-3 (SC, E/IP), SCALANCE XB213-3 (SC, PN), SCALANCE XB213-3 (ST, E/IP), SCALANCE XB213-3 (ST, PN), SCALANCE XB213-3LD (SC, E/IP), SCALANCE XB213-3LD (SC, PN), SCALANCE XB216 (E/IP), SCALANCE XB216 (PN), SCALANCE XC206-2 (SC), SCALANCE XC206-2 (ST/BFOC), SCALANCE XC206-2G PoE, SCALANCE XC206-2G PoE (54 V DC), SCALANCE XC206-2G PoE EEC (54 V DC), SCALANCE XC206-2SFP, SCALANCE XC206-2SFP EEC, SCALANCE XC206-2SFP G, SCALANCE XC206-2SFP G (EIP DEF.), SCALANCE XC206-2SFP G EEC, SCALANCE XC208, SCALANCE XC208EEC, SCALANCE XC208G, SCALANCE XC208G (EIP def.), SCALANCE XC208G EEC, SCALANCE XC208G PoE, SCALANCE XC208G PoE (54 V DC), SCALANCE XC216, SCALANCE XC216-3G PoE, SCALANCE XC216-3G PoE (54 V DC), SCALANCE XC216-4C, SCALANCE XC216-4C G, SCALANCE XC216-4C G (EIP Def.), SCALANCE XC216-4C G EEC, SCALANCE XC216EEC, SCALANCE XC224, SCALANCE XC224-4C G, SCALANCE XC224-4C G (EIP Def.), SCALANCE XC224-4C G EEC, SCALANCE XF204, SCALANCE XF204 DNA, SCALANCE XF204-2BA, SCALANCE XF204-2BA DNA, SCALANCE XP208, SCALANCE XP208 (Ethernet/IP), SCALANCE XP208EEC, SCALANCE XP208PoE EEC, SCALANCE XP216, SCALANCE XP216 (Ethernet/IP), SCALANCE XP216EEC, SCALANCE XP216POE EEC, SCALANCE XR324WG (24 x FE, AC 230V), SCALANCE XR324WG (24 X FE, DC 24V), SCALANCE XR326-2C PoE WG, SCALANCE XR326-2C PoE WG (without UL), SCALANCE XR328-4C WG (24XFE, 4XGE, 24V), SCALANCE XR328-4C WG (24xFE, 4xGE,DC24V), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V), SCALANCE XR328-4C WG (28xGE, AC 230V), SCALANCE XR328-4C WG (28xGE, DC 24V), SIPLUS NET SCALANCE XC206-2, SIPLUS NET SCALANCE XC206-2SFP, SIPLUS NET SCALANCE XC208, SIPLUS NET SCALANCE XC216-4C. Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

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

- All affected products: Update to V8.1 or later version

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 Siemens' operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-087301 in HTML and CSAF.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-180704.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-699386.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-602936.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-087301.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-24-228-01

Plugin Details

Severity: Medium

ID: 501870

Version: 1.7

Type: remote

Family: Tenable.ot

Published: 1/8/2024

Updated: 12/12/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2023-44321

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:scalance_xf204_dna_firmware:-, cpe:/o:siemens:scalance_xc206-2_firmware:-, cpe:/o:siemens:scalance_xc216eec_firmware:-, cpe:/o:siemens:ruggedcom_rm1224_lte_firmware, cpe:/o:siemens:scalance_xc224_4c_g_eec_firmware:-, cpe:/o:siemens:scalance_xp216eec_firmware:-, cpe:/o:siemens:scalance_xc216_4c_g_eec_firmware:-, cpe:/o:siemens:scalance_xc208g_eec_firmware:-, cpe:/o:siemens:scalance_sc646-2c_firmware, cpe:/o:siemens:scalance_xb213-3_firmware:-, cpe:/o:siemens:scalance_xb208_firmware:-, cpe:/o:siemens:scalance_xc224_4c_g_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_g_firmware:-, cpe:/o:siemens:scalance_xp216poe_eec_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc206-2sfp_firmware:-, cpe:/o:siemens:scalance_xr324wg_firmware:-, cpe:/o:siemens:scalance_xc206-2g_poe_eec_firmware:-, cpe:/o:siemens:scalance_xc208g_firmware:-, cpe:/o:siemens:scalance_xc216_4c_g_firmware:-, cpe:/o:siemens:scalance_xc208_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_firmware:-, cpe:/o:siemens:scalance_sc632-2c_firmware, cpe:/o:siemens:scalance_xp208eec_firmware:-, cpe:/o:siemens:scalance_xr326-2c_poe_wg_firmware:-, cpe:/o:siemens:scalance_xp216_firmware:-, cpe:/o:siemens:scalance_xc208eec_firmware:-, cpe:/o:siemens:scalance_xf204_2ba_dna_firmware:-, cpe:/o:siemens:scalance_sc642-2c_firmware, cpe:/o:siemens:scalance_xc216_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_eec_firmware:-, cpe:/o:siemens:scalance_xf204_2ba_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc208_firmware:-, cpe:/o:siemens:scalance_xr328-4c_wg_firmware:-, cpe:/o:siemens:scalance_xb205-3ld_firmware:-, cpe:/o:siemens:scalance_xb213-3ld_firmware:-, cpe:/o:siemens:scalance_sc622-2c_firmware, cpe:/o:siemens:scalance_xc206-2g_poe_firmware:-, cpe:/o:siemens:scalance_xc208g_poe_firmware:-, cpe:/o:siemens:scalance_xc206-2sfp_g_eec_firmware:-, cpe:/o:siemens:scalance_xc216_4c_firmware:-, cpe:/o:siemens:scalance_xc216_3g_poe_firmware:-, cpe:/o:siemens:scalance_xc224_firmware:-, cpe:/o:siemens:scalance_sc626-2c_firmware, cpe:/o:siemens:scalance_xb205-3_firmware:-, cpe:/o:siemens:siplus_net_scalance_xc216-4c_firmware:-, cpe:/o:siemens:scalance_xp208poe_eec_firmware:-, cpe:/o:siemens:scalance_xp208_firmware:-, cpe:/o:siemens:scalance_sc636-2c_firmware, cpe:/o:siemens:siplus_net_scalance_xc206-2_firmware:-, cpe:/o:siemens:scalance_xb216_firmware:-, cpe:/o:siemens:scalance_m804pb_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 11/14/2023

Vulnerability Publication Date: 11/14/2023

Reference Information

CVE: CVE-2023-44321

CWE: 400

ICSA: 24-228-01