MZ Automation GmbH libiec61850

Summary

Multiple vulnerabilities have been identified in MZ Automation GmbH's libiec61850 software, specifically affecting versions prior to 1.6.2. Exploitation of these vulnerabilities could lead to a denial-of-service condition on affected devices. The vulnerabilities involve improper validation of timestamp fields in IEC 61850 GOOSE messages, potentially causing heap out-of-bounds reads.

IFF Assessment

FOE

These vulnerabilities allow attackers to cause denial-of-service conditions, disrupting critical infrastructure operations.

Severity

7.5 High

Defender Context

Defenders in the energy sector should prioritize patching or updating MZ Automation GmbH's libiec61850 to version 1.6.2 or later to mitigate the risk of denial-of-service attacks. The vulnerabilities exploit improper handling of IEC 61850 GOOSE messages, highlighting the need for robust input validation and secure coding practices in Industrial Control System (ICS) software.

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