CVE-2018-3895 Memory corruption in Samsung

Critical 9.9 Published 28 Aug 2018 Updated 17 Sep 2024

An attacker can trigger a buffer overflow in the SmartThings Hub HTTP server via a crafted HTTP request, potentially leading to remote code execution.

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-2018-3895?

CVE-2018-3895 is a critical memory corruption vulnerability in Samsung, published on 28 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 /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 Firmware version 0.20.17. The strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long 'endTime' value in order to exploit this vulnerability. An attacker can send an HTTP request to trigger this vulnerability.

Weakness: CWE-120

Which versions are affected by CVE-2018-3895?

It affects 1 product.

Products include Samsung Sth-Eth-250 Firmware.

How do I fix CVE-2018-3895?

No fix has been published for CVE-2018-3895 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-2018-3895 being exploited?

There is no known exploitation of CVE-2018-3895 in the wild and no public exploit code.

Sources

Also known as GHSA-624g-xqw5-ccp4.