CVE-2018-3925 Memory corruption in SmartThings Hub STH-ETH-250

High 8.5 Published 23 Aug 2018 Updated 16 Sep 2024

A buffer overflow in the SmartThings Hub video-core allows remote code execution by impersonating video-host servers.

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-2018-3925?

CVE-2018-3925 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 remote video-host communication of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process insecurely parses the AWSELB cookie while communicating with remote video-host servers, leading to a buffer overflow on the heap. An attacker able to impersonate the remote HTTP servers could trigger this vulnerability.

Weakness: CWE-119

Which versions are affected by CVE-2018-3925?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3925?

No fix has been published for CVE-2018-3925 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-2018-3925 being exploited?

There is no known exploitation of CVE-2018-3925 in the wild and no public exploit code.

Sources

Also known as GHSA-c386-q463-gpx2.