CVE-2018-8834 Memory corruption in Omron CX-One

High 7.8 Published Updated

Heap-based buffer overflow in Omron CX-One allows code execution via malformed project files, impacting industrial control system users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-8834?

CVE-2018-8834 is a high-severity memory corruption vulnerability in ICS-CERT Omron CX-One, published on 17 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Parsing malformed project files in Omron CX-One versions 4.42 and prior, including the following applications: CX-FLnet versions 1.00 and prior, CX-Protocol versions 1.992 and prior, CX-Programmer versions 9.65 and prior, CX-Server versions 5.0.22 and prior, Network Configurator versions 3.63 and prior, and Switch Box Utility versions 1.68 and prior, may cause a heap-based buffer overflow.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2018-8834?

It affects 7 products.

Products include Omron Cx-Flnet, Omron Cx-One, Omron Cx-Programmer, Omron Cx-Protocol, Omron Cx-Server, Omron Network Configurator and 1 more.

How do I fix CVE-2018-8834?

No fix has been published for CVE-2018-8834 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-2018-8834 being exploited?

There is no known exploitation of CVE-2018-8834 in the wild and no public exploit code.

Sources

Also known as GHSA-qm7h-hvgh-53wq.

Is CVE-2018-8834 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free