CVE-2018-3867 Memory corruption in SmartThings Hub STH-ETH-250

Critical 9.9 Published 23 Aug 2018 Updated 17 Sep 2024

A stack-based buffer overflow in the video-core HTTP server allows remote attackers to execute arbitrary code via crafted HTTP requests.

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-2018-3867?

CVE-2018-3867 is a critical 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 stack-based buffer overflow vulnerability exists in the samsungWifiScan callback notification 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 handles the answer received from a smart camera, leading to a buffer overflow on the stack. An attacker can send a series of HTTP requests to trigger this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2018-3867?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3867?

No fix has been published for CVE-2018-3867 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-2018-3867 being exploited?

There is no known exploitation of CVE-2018-3867 in the wild and no public exploit code.

Sources

Also known as GHSA-gwh8-27m5-c3g7.