CVE-2019-19931 Memory corruption in n/a

High 8.8 Published Updated

A heap-based buffer overflow in libIEC61850 allows attackers to execute arbitrary code or cause denial of service via crafted MMS data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-19931?

CVE-2019-19931 is a high-severity memory corruption vulnerability in n/a, published on 23 Dec 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In libIEC61850 1.4.0, MmsValue_decodeMmsData in mms/iso_mms/server/mms_access_result.c has a heap-based buffer overflow.

Weakness: CWE-787

Which versions are affected by CVE-2019-19931?

It affects 1 product.

Products include Mz-Automation Libiec61850.

How do I fix CVE-2019-19931?

No fix has been published for CVE-2019-19931 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-2019-19931 being exploited?

There is no known exploitation of CVE-2019-19931 in the wild and no public exploit code.

Sources

Also known as GHSA-m8m7-jrwc-qjq2.

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