CVE-2018-3906 Memory corruption in SmartThings Hub STH-ETH-250

High 7.5 Published 21 Sep 2018 Updated 16 Sep 2024

A stack-based buffer overflow in the SmartThings Hub video-core HTTP server allows remote code execution via a crafted HTTP request.

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

What is CVE-2018-3906?

CVE-2018-3906 is a high-severity memory corruption vulnerability in Samsung SmartThings Hub STH-ETH-250, published on 21 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An exploitable stack-based buffer overflow vulnerability exists in the retrieval of a database field in video-core's HTTP server of Samsung SmartThings Hub. The video-core process insecurely extracts the shard.videoHostURL field from its SQLite database, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2018-3906?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3906?

No fix has been published for CVE-2018-3906 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-2018-3906 being exploited?

There is no known exploitation of CVE-2018-3906 in the wild and no public exploit code.

Sources

Also known as GHSA-q22m-9gr4-fmwj.