CVE-2018-3879 SQL injection in SmartThings Hub STH-ETH-250

High 8.8 Published 23 Aug 2018 Updated 17 Sep 2024

Attacker can inject SQL via JSON payload in HTTP requests to manipulate the video-core database on Samsung SmartThings Hub devices.

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-2018-3879?

CVE-2018-3879 is a high-severity SQL injection 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 JSON injection vulnerability exists in the credentials handler 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 parses the user-controlled JSON payload, leading to a JSON injection which in turn leads to a SQL injection in the video-core database. An attacker can send a series of HTTP requests to trigger this vulnerability.

Weakness: CWE-89

Which versions are affected by CVE-2018-3879?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3879?

No fix has been published for CVE-2018-3879 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2018-3879 being exploited?

There is no known exploitation of CVE-2018-3879 in the wild and no public exploit code.

Sources

Also known as GHSA-wrgr-53r5-77j3.