CVE-2019-1010300 Memory corruption in libiec61850

High 7.5 Published 15 Jul 2019 Updated 5 Aug 2024

A buffer overflow in the libiec61850 library allows remote attackers to cause a software crash via a specific MMS protocol packet.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-1010300?

CVE-2019-1010300 is a high-severity memory corruption vulnerability in mz-automation libiec61850, published on 15 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mz-automation libiec61850 1.3.2 1.3.1 1.3.0 is affected by: Buffer Overflow. The impact is: Software crash. The component is: server_example_complex_array. The attack vector is: Send a specific MMS protocol packet.

Weakness: CWE-119

Which versions are affected by CVE-2019-1010300?

It affects 1 product.

Products include Mz-Automation Libiec61850.

How do I fix CVE-2019-1010300?

No fix has been published for CVE-2019-1010300 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-1010300 being exploited?

There is no known exploitation of CVE-2019-1010300 in the wild and no public exploit code.

Sources

Also known as GHSA-6j9c-j7j4-4g23.