CVE-2019-6557 Memory corruption in Moxa IKS, EDS

Critical 9.8 Published 5 Mar 2019 Updated 16 Sep 2024

Buffer overflows in Moxa IKS and EDS devices allow remote attackers to execute arbitrary code.

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-2019-6557?

CVE-2019-6557 is a critical memory corruption vulnerability in ICS-CERT Moxa IKS, EDS, published on 5 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Several buffer overflow vulnerabilities have been identified in Moxa IKS and EDS, which may allow remote code execution.

Weakness: CWE-120

Which versions are affected by CVE-2019-6557?

It affects 4 products.

Products include Moxa Eds-405a Firmware, Moxa Eds-408a Firmware, Moxa Eds-510a Firmware, Moxa Iks-G6824a Firmware.

How do I fix CVE-2019-6557?

No fix has been published for CVE-2019-6557 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-2019-6557 being exploited?

There is no known exploitation of CVE-2019-6557 in the wild and no public exploit code.

Sources

Also known as GHSA-cgrr-xgfh-rgv2.