CVE-2017-16324CWE-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
58.2
In the wild
Unconfirmed
What it is

⚡ A simple command can trigger a buffer overflow that rewrites the data on your Insteon Hub! This vulnerability is like a waiter that accepts orders without writing them down—if someone shouts a long order, it could spill over and mess up everything in the kitchen. The result? Chaos! An attacker could send a crafted command through the PubNub service, potentially overwriting critical data on your device, leading to unauthorized actions or even a complete device crash. This could disrupt your smart home setup, making it a playground for mischief!

Put simply

This vulnerability is like a waiter that accepts orders without writing them down—if someone shouts a long order, it could spill over and mess up everything in the kitchen. The result? Chaos! The vulnerability arises from a buffer overflow in the PubNub message handler for the 'cc' channel, specifically when handling the `s_group_vol` key with a `strcpy` function that lacks proper boundary checks, allowing an attacker to overwrite arbitrary memory.

What to do

An attacker could send a crafted command through the PubNub service, potentially overwriting critical data on your device, leading to unauthorized actions or even a complete device crash. This could disrupt your smart home setup, making it a playground for mischief! To protect your Insteon Hub, update the firmware to the latest version to patch this vulnerability. Additionally, consider implementing stricter input validation to prevent oversized commands from being processed. Don't take chances with your smart home! You've got this! By following these steps, you can secure your Insteon Hub and keep your smart home safe! 🛡️

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
0.00862 · 58.2th 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