CVE-2017-16274CWE-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 single malicious command can wreak havoc on your Insteon Hub! This vulnerability allows for multiple exploitable buffer overflows through the PubNub message handler. 🔥 Think of it like a restaurant that only has a small serving plate for orders. If a waiter brings in a much larger dish and it overflows, things get messy—and so does your device! An attacker could send specially crafted commands to the Insteon Hub that trigger a stack-based buffer overflow, potentially overwriting critical data and compromising the device's functionality. This means malicious actors could gain unauthorized control, leading to absolute chaos in your smart home setup.

Put simply

Think of it like a restaurant that only has a small serving plate for orders. If a waiter brings in a much larger dish and it overflows, things get messy—and so does your device! The vulnerability exists within the PubNub message handler for the "cc" channel of the Insteon Hub firmware version 1012. It allows an authenticated user to exploit the buffer overflow caused by the `strcpy` function copying data to a buffer that is too small.

What to do

An attacker could send specially crafted commands to the Insteon Hub that trigger a stack-based buffer overflow, potentially overwriting critical data and compromising the device's functionality. This means malicious actors could gain unauthorized control, leading to absolute chaos in your smart home setup. Update the Insteon Hub firmware to a version that addresses this vulnerability. Review the system logs for any unauthorized access attempts and implement stricter access controls to limit who can send commands. Always validate input lengths before processing! You've got this! With these steps, your device will be more secure 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
0.00673 · 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