CVE-2017-16320CWE-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

⚡ Multiple buffer overflow vulnerabilities lie within the PubNub message handler of Insteon Hub, waiting for an attacker to send just the right command! 🔥 Think of it like a restaurant's kitchen when a chef mistakenly tries to fit a gigantic pizza into a tiny oven. The order goes beyond the oven’s capacity, causing chaos as things start overflowing all over the place! An attacker could exploit this vulnerability to send specially crafted commands and overwrite critical data, potentially leading to devastating effects like crashing the system or even gaining unauthorized access. This cyber chaos could leave your devices vulnerable to all sorts of mischief!

Put simply

Think of it like a restaurant's kitchen when a chef mistakenly tries to fit a gigantic pizza into a tiny oven. The order goes beyond the oven’s capacity, causing chaos as things start overflowing all over the place! The CVE-2017-16320 vulnerability involves stack-based buffer overflow due to the insecure use of `strcpy` in the PubNub message handler, which copies a potentially oversized command into a fixed-size buffer. This flaw is triggered when an authenticated HTTP request sends a command exceeding 32 bytes.

What to do

An attacker could exploit this vulnerability to send specially crafted commands and overwrite critical data, potentially leading to devastating effects like crashing the system or even gaining unauthorized access. This cyber chaos could leave your devices vulnerable to all sorts of mischief! To safeguard against this, immediately update the Insteon Hub firmware to the latest version. Ensure proper input validation to restrict command sizes and avoid using unsafe functions like `strcpy`. Regularly audit any commands sent through the PubNub service. You've got this! Follow these steps and keep your devices secure like the hero you are! 🛡️

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
2023-01-11T21:40Z
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