Siemens SCALANCE M-800 Out-of-Bounds Read (CVE-2021-3506)

high Tenable OT Security Plugin ID 502671

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4.
A bounds check failure allows a local attacker to gain access to out- of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

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

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 502671

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 11/18/2024

Updated: 11/26/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-3506

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_mum856-1_%28cn%29_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_nam_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:scalance_mum856-1_%28a1%29_firmware, cpe:/o:siemens:scalance_mum853-1_%28b1%29_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_eu_firmware, cpe:/o:siemens:scalance_m876-4_%28nam%29_firmware, cpe:/o:siemens:scalance_m812-1_adsl-router_firmware, cpe:/o:siemens:scalance_s615_eec_lan-router_firmware, cpe:/o:siemens:scalance_m874-3_3g-router_%28cn%29_firmware, cpe:/o:siemens:scalance_m826-2_shdsl-router_firmware, cpe:/o:siemens:scalance_mum856-1_%28row%29_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_firmware, cpe:/o:siemens:scalance_mum856-1_%28b1%29_firmware, cpe:/o:siemens:scalance_m876-3_%28rok%29_firmware, cpe:/o:siemens:scalance_s615_lan-router_firmware, cpe:/o:siemens:scalance_mum853-1_%28eu%29_firmware, cpe:/o:siemens:scalance_m874-2_firmware, cpe:/o:siemens:scalance_m876-3_firmware, cpe:/o:siemens:scalance_m876-4_firmware, cpe:/o:siemens:scalance_m876-4_%28eu%29_firmware, cpe:/o:siemens:scalance_mum856-1_%28eu%29_firmware, cpe:/o:siemens:scalance_mum853-1_%28a1%29_firmware, cpe:/o:siemens:scalance_m804pb_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 11/12/2024

Reference Information

CVE: CVE-2021-3506

CWE: 125

ICSA: 24-319-06

Detections

Analytics