CVE-2017-16258CWE-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, crafted command can lead to a stack-based buffer overflow in your Insteon Hub! This vulnerability could let an attacker overwrite data like a mischievous guest rearranging your living room furniture. 🛋️ Think of the buffer as a suitcase that can only hold 32 items. If someone tries to stuff in 35, it spills over, potentially ruining the contents around it. This vulnerability is like a sneaky package that pushes the limits of your suitcase, causing chaos in your travel plans. An attacker could send specially crafted commands that overflow the buffer, leading to overwriting arbitrary data. This could allow them to execute malicious code, potentially taking control of your Insteon Hub. It's a severe risk for anyone relying on smooth operation of their smart home devices!

Put simply

Think of the buffer as a suitcase that can only hold 32 items. If someone tries to stuff in 35, it spills over, potentially ruining the contents around it. This vulnerability is like a sneaky package that pushes the limits of your suitcase, causing chaos in your travel plans. This vulnerability occurs within the PubNub message handler for the "cc" channel on Insteon Hub firmware version 1012. It allows attackers to exploit the buffer overflow by using the `strcpy` function, which fails to check the size of the input, letting data overflow into adjacent memory spaces.

What to do

An attacker could send specially crafted commands that overflow the buffer, leading to overwriting arbitrary data. This could allow them to execute malicious code, potentially taking control of your Insteon Hub. It's a severe risk for anyone relying on smooth operation of their smart home devices! To mitigate this vulnerability, update your Insteon Hub firmware to the latest version that resolves this issue. Ensure that your HTTP requests are properly validated and consider implementing additional security checks to prevent buffer overflows. Regularly audit your device configurations to maintain security. You've got this! Follow these steps and you'll strengthen your smart home defenses 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
2023-01-11T21:39Z
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