CVE-2018-5449 Null dereference in Moxa OnCell G3100-HSPA Series

Medium 6.5 Published Updated

An attacker can cause a denial of service on Moxa OnCell G3100-HSPA devices by triggering a null pointer dereference.

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

What is CVE-2018-5449?

CVE-2018-5449 is a medium-severity vulnerability in Moxa OnCell G3100-HSPA Series, published on 5 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A NULL Pointer Dereference issue was discovered in Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and prior. The application does not check for a NULL value, allowing for an attacker to perform a denial of service attack.

Weakness: CWE-476

Which versions are affected by CVE-2018-5449?

It affects 4 products.

Products include Moxa Oncell G3110-Hspa-T Firmware, Moxa Oncell G3110-Hspa Firmware, Moxa Oncell G3150-Hspa-T Firmware, Moxa Oncell G3150-Hspa Firmware.

How do I fix CVE-2018-5449?

No fix has been published for CVE-2018-5449 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-5449 being exploited?

There is no known exploitation of CVE-2018-5449 in the wild and no public exploit code.

Sources

Also known as GHSA-836c-7qj9-w7cj.

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