CVE-2018-3916 Memory corruption in Samsung

High 7.5 Published 28 Aug 2018 Updated 16 Sep 2024

A stack-based buffer overflow in the SmartThings Hub HTTP server allows remote attackers to execute arbitrary code 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-2018-3916?

CVE-2018-3916 is a high-severity memory corruption vulnerability in Samsung, published on 28 Aug 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 database fields in the video-core HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy call overflows the destination buffer, which has a size of 136 bytes. An attacker can send an arbitrarily long 'directory' value in order to exploit this vulnerability. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-787

Which versions are affected by CVE-2018-3916?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3916?

No fix has been published for CVE-2018-3916 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-2018-3916 being exploited?

There is no known exploitation of CVE-2018-3916 in the wild and no public exploit code.

Sources

Also known as GHSA-cwrm-ghmj-hwr3.