CVE-2022-2971: MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')

Published Sep 23, 2022
·
Updated

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) accesses a resource using an incompatible type, which could allow an attacker to crash the server with a malicious payload.

Affected Software

3 affected components
mz-automation libiec61850<1.5.0
MZ Automation GmbH libIEC61850 Versions 1.4 and prior
MZ Automation GmbH libIEC61850 Version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e

Event History

Sep 23, 2022
CVE Published
via MITRE·03:28 PM
Data Sourced
via MITRE·03:28 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2022-2971?

CVE-2022-2971 is a vulnerability in MZ Automation's libIEC61850 software that allows an attacker to crash the server with a malicious payload.

2

What versions of libIEC61850 are affected by CVE-2022-2971?

Versions 1.4 and prior, as well as version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e, are affected.

3

How severe is CVE-2022-2971?

CVE-2022-2971 has a severity rating of 7.5, which is considered high.

4

How can an attacker exploit CVE-2022-2971?

An attacker can exploit CVE-2022-2971 by accessing a resource using an incompatible type, which crashes the server with a malicious payload.

5

Is there a fix for CVE-2022-2971?

At the moment, there is no specific fix available for CVE-2022-2971. It is recommended to follow the guidance provided by MZ Automation and stay updated with any patches or security updates.

Contact

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