Hitachi Energy’s RTU500 series Unrestricted Upload of File with Dangerous Type (CVE-2024-1531)

high Tenable OT Security Plugin ID 502224

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability exists in the stb-language file handling that affects the RTU500 series product versions listed below. A malicious actor could print random memory content in the RTU500 system log, if an authorized user uploads a specially crafted stb-language file.

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Solution

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

Hitachi Energy has released the following mitigations for CVE-2024-1531 and CVE-2024-1532:

- RTU500 series CMU Firmware Version 12.7.1 - 12.7.6: Update to CMU Firmware Version 12.7.7
- RTU500 series CMU Firmware Version 13.2.1 - 13.2.6: Update to CMU Firmware Version 13.2.7

Until the updates are made available, Hitachi Energy recommends the following general mitigation factors/workarounds for the products with RTU500 series CMU firmware Versions 12.0.1 - 12.0.14, 12.2.1 - 12.2.11, 12.4.1 - 12.4.11, 12.6.1 - 12.6.9, 13.4.1 - 13.4.4, and 13.5.1 - 13.5.3 to address the vulnerabilities CVE-2024-1531 and CVE-2024-1532:

- Recommended security practices and firewall configurations can help protect a process control network from attacks originating from outside the network including.
- Physically protect process control systems from direct access by unauthorized personnel.
- Do not allow process control systems direct connections to the Internet.
- Separate process control systems from other networks by means of a firewall system that has a minimal number of ports exposed.
- Process control systems should not be used for Internet surfing, instant messaging, or receiving emails.
- Portable computers and removable storage media should be carefully scanned for viruses before they are connected to a control system.

For more information, see Hitachi Energy's Security Advisories.

Plugin Details

Severity: High

ID: 502224

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 5/2/2024

Updated: 5/3/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:hitachienergy:rtu500_firmware

Required KB Items: Tenable.ot/ABB

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/26/2024

Reference Information

CVE: CVE-2024-1531

CWE: 434

Detections

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