CVE-2018-3905 Memory corruption in SmartThings Hub STH-ETH-250

High 8.5 Published 23 Aug 2018 Updated 17 Sep 2024

A buffer overflow in the SmartThings Hub video-core HTTP server allows remote attackers to execute arbitrary code via a crafted JSON payload.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-3905?

CVE-2018-3905 is a high-severity memory corruption vulnerability in Samsung SmartThings Hub STH-ETH-250, published on 23 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An exploitable buffer overflow vulnerability exists in the camera "create" feature of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process incorrectly extracts the "state" field from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-119

Which versions are affected by CVE-2018-3905?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3905?

No fix has been published for CVE-2018-3905 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-2018-3905 being exploited?

There is no known exploitation of CVE-2018-3905 in the wild and no public exploit code.

Sources

Also known as GHSA-755q-vpcq-4v46.