CVE-2017-16327CWE-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

⚡ Watch out! A crafty buffer overflow awaits in the Insteon Hub’s PubNub message handler, ready to overwrite your data with just a specially crafted command! 🔥 Think of it like trying to shove a hefty suitcase into a tiny overhead compartment on an airplane — if it doesn’t fit, something’s going to break! Here, the buffer is like that compartment, and overflowing data could cause chaos in your system. An attacker could exploit this by sending an authenticated request, leading to arbitrary data manipulation or even system crashes. Imagine someone hijacking your communication, taking control of your device, or corrupting vital data — it's absolutely devastating!

Put simply

Think of it like trying to shove a hefty suitcase into a tiny overhead compartment on an airplane — if it doesn’t fit, something’s going to break! Here, the buffer is like that compartment, and overflowing data could cause chaos in your system. This vulnerability arises from multiple buffer overflow issues in the PubNub message handler. Specifically, the `strcpy` function is used to copy values into a 32-byte buffer without proper length checks, making it ripe for exploitation.

What to do

An attacker could exploit this by sending an authenticated request, leading to arbitrary data manipulation or even system crashes. Imagine someone hijacking your communication, taking control of your device, or corrupting vital data — it's absolutely devastating! To mitigate this, ensure your Insteon Hub is updated to the latest firmware version. Also, consider implementing stricter validation of input lengths to prevent excessive data from being copied into buffers. Regularly review your configurations for any unauthorized access. You've got this! With these steps, you'll have your defenses strengthened in no time! 🛡️

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