CVE-2017-16272CWE-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
51.3
In the wild
Unconfirmed
What it is

⚡ A cleverly crafted payload could exploit this buffer overflow vulnerability in the Insteon Hub's PubNub message handler – and it all hinges on one little authenticated HTTP request! Think of it like trying to fit a giant stuffed animal into a tiny box — if you force it in, things are going to spill over and get messy! That's exactly what happens here when the data surpasses the buffer's limits. The consequences could be absolutely devastating! An attacker could overwrite arbitrary data, potentially leading to unauthorized access or even total control over the device. Imagine someone taking over your smart home system — controlling lights, locks, and more from miles away!

Put simply

Think of it like trying to fit a giant stuffed animal into a tiny box — if you force it in, things are going to spill over and get messy! That's exactly what happens here when the data surpasses the buffer's limits. This vulnerability stems from multiple buffer overflow issues in the PubNub message handler of the Insteon Hub. The `grp` key gets copied into a buffer that is only 8 bytes long, and any command longer than that will cause the overflow.

What to do

The consequences could be absolutely devastating! An attacker could overwrite arbitrary data, potentially leading to unauthorized access or even total control over the device. Imagine someone taking over your smart home system — controlling lights, locks, and more from miles away! To protect yourself, immediately update the Insteon Hub firmware to the latest version available. Additionally, review and limit the commands sent through the PubNub service, ensuring they adhere to expected length constraints. Regularly monitor your systems for unusual activity! You've got this! Follow these steps and you'll be taking your security game to the next level! 🛡️

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
0.00673 · 51.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2023-01-11T21:39Z
EPSS history
Timeline
  • 11 JAN 21:39Z
    Multiple exploitable buffer overflow vulnerabilities exist in the PubNub message handler for the "cc" channel of Insteon Hub running firmware version 1012
    cvelistv5