CVE-2018-19185 Memory corruption in n/a

Critical 9.8 Published 12 Nov 2018 Updated 5 Aug 2024

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

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-2018-19185?

CVE-2018-19185 is a critical memory corruption vulnerability in n/a, published on 12 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow in BerEncoder_encodeOctetString in mms/asn1/ber_encoder.c. This is exploitable even after CVE-2018-18834 has been patched, with a different dataSetValue sequence than the CVE-2018-18834 attack vector.

Weakness: CWE-787

Which versions are affected by CVE-2018-19185?

It affects 1 product.

Products include Mz-Automation Libiec61850.

How do I fix CVE-2018-19185?

No fix has been published for CVE-2018-19185 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-2018-19185 being exploited?

There is no known exploitation of CVE-2018-19185 in the wild and no public exploit code.

Sources

Also known as GHSA-ww63-gh4x-rhww.