Beckhoff TwinCAT/BSD Buffer Copy without Checking Size of Input (CVE-2024-41176)

high Tenable OT Security Plugin ID 502383

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The MPD package included in TwinCAT/BSD allows an authenticated, low- privileged local attacker to induce a Denial-of-Service (DoS) condition on the daemon and execute code in the context of user root via a crafted HTTP request.

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.

See Also

https://cert.vde.com/en/advisories/VDE-2024-050

Plugin Details

Severity: High

ID: 502383

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 9/12/2024

Updated: 10/8/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2024-41176

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: cpe:/o:beckhoff:twincat%2fbsd

Required KB Items: Tenable.ot/Beckhoff

Exploit Ease: No known exploits are available

Patch Publication Date: 8/27/2024

Vulnerability Publication Date: 8/27/2024

Reference Information

CVE: CVE-2024-41176

CWE: 120