CVE-2017-16316CWE-121

Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012

High · published January 11, 2023

CVSS v3.0
8.5
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

⚡ A crafty command sent through the PubNub service can trigger a buffer overflow that may wreak havoc on your Insteon Hub’s firmware! Think of it like a crowded restaurant where a waiter tries to carry too many plates at once — if something spills over, it can disrupt the whole dining experience. In this case, sending too long of a command is like overloading that waiter, causing unintended chaos! An attacker could exploit this vulnerability to overwrite critical data, potentially gaining control over the Insteon Hub. This could lead to dire consequences, like unauthorized access to your smart home devices, leaving them vulnerable to manipulation or malfunction. It's a high-stakes game where your privacy and security are on the line!

Put simply

Think of it like a crowded restaurant where a waiter tries to carry too many plates at once — if something spills over, it can disrupt the whole dining experience. In this case, sending too long of a command is like overloading that waiter, causing unintended chaos! This vulnerability revolves around a stack-based buffer overflow in the PubNub message handler, specifically when handling commands for the 'cc' channel. By sending specially crafted commands that exceed a 32-byte buffer, attackers can overwrite arbitrary data and trigger malicious behavior.

What to do

An attacker could exploit this vulnerability to overwrite critical data, potentially gaining control over the Insteon Hub. This could lead to dire consequences, like unauthorized access to your smart home devices, leaving them vulnerable to manipulation or malfunction. It's a high-stakes game where your privacy and security are on the line! Immediately patch your firmware to the latest version available to fix this vulnerability. Additionally, consider implementing stricter input validation to ensure commands sent through PubNub don't exceed buffer limits. Monitor for any unusual activity to prevent potential exploitation. You've got this! With these steps, you can keep your smart home secure and running smoothly! 🛡️

The record
Technical detail
CVSS v3.0
8.5 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00691 · 52.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2023-01-11T21:40Z
EPSS history
Timeline
  • 11 JAN 21:40Z
    Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012
    cvelistv5