CVE-2018-3856

An exploitable vulnerability exists in the smart cameras RTSP configuration of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17

Critical · published August 23, 2018

CVSS v3.0
9.9
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

🚨 An attacker can inject arbitrary commands into your Samsung SmartThings Hub just by sending specially crafted HTTP requests! 🔥 Think of the SmartThings Hub like a restaurant kitchen: if a chef accepts orders without checking the ingredients, a mischievous customer could slip in something dangerous. The improper handling of spaces in the URL field is like the chef forgetting to verify what’s in the dish before it’s served! This vulnerability is absolutely devastating! An attacker could take control of the system and execute any command they desire—essentially turning your SmartThings Hub against you, which could lead to unauthorized access to your home automation features. Picture a thief manipulating your smart locks or cameras without breaking a sweat!

Put simply

Think of the SmartThings Hub like a restaurant kitchen: if a chef accepts orders without checking the ingredients, a mischievous customer could slip in something dangerous. The improper handling of spaces in the URL field is like the chef forgetting to verify what’s in the dish before it’s served! The vulnerability in question stems from the RTSP configuration mishandling spaces in the URL field, enabling command injection. By sending a carefully crafted series of HTTP requests, an attacker can exploit this flaw to execute arbitrary operating system commands on the device.

What to do

This vulnerability is absolutely devastating! An attacker could take control of the system and execute any command they desire—essentially turning your SmartThings Hub against you, which could lead to unauthorized access to your home automation features. Picture a thief manipulating your smart locks or cameras without breaking a sweat! To remediate this vulnerability, immediately patch your Samsung SmartThings Hub to the latest firmware version to ensure the RTSP configuration is secured against this exploit. Regularly review your device configuration and implement measures to validate input properly. Don’t forget to check for updates often! You've got this! Keep your devices up to date and secure, and you’ll protect your smart home like a security hero! 🛡️

The record
Technical detail
CVSS v3.0
9.9 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03444 · 88.9th percentile
Published
2018-08-23T22:00Z
EPSS history
Timeline
  • 23 AUG 22:00Z
    An exploitable vulnerability exists in the smart cameras RTSP configuration of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
    cvelistv5