CVE-2023-0972CWE-125CWE-787

Buffer overflow in S0 Decryption on Z/IP Gatweay

Critical · published June 21, 2023

CVSS v3.1
9.6
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker can exploit a buffer overflow in SiLabs Z/IP Gateway to gain control like a thief sneaking in through an open window! 🔥 Think of it like a restaurant where a careless chef leaves the kitchen door unlocked—anyone nearby can waltz in and mess with the ingredients. In this case, the ingredients are your smart home devices, and the chef forgot to lock the pantry! If exploited, an attacker could execute arbitrary code, potentially taking over your entire smart home system. Imagine them controlling your lights, thermostat, or cameras, transforming your cozy space into a playground for hackers. The implications could be absolutely devastating!

Put simply

Think of it like a restaurant where a careless chef leaves the kitchen door unlocked—anyone nearby can waltz in and mess with the ingredients. In this case, the ingredients are your smart home devices, and the chef forgot to lock the pantry! This vulnerability allows an attacker within Z-Wave range to overflow a stack buffer in SiLabs Z/IP Gateway, leading to the execution of unauthorized code due to insufficient validation of input data.

What to do

If exploited, an attacker could execute arbitrary code, potentially taking over your entire smart home system. Imagine them controlling your lights, thermostat, or cameras, transforming your cozy space into a playground for hackers. The implications could be absolutely devastating! Immediately patch your SiLabs Z/IP Gateway to version 7.18.02 or later. Additionally, consider configuring your network to limit access to trusted devices only—don't leave that kitchen door wide open! You've got this! Stay proactive, secure your devices, and enjoy peace of mind in your smart home! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00387 · 31.6th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-787 · Out-of-bounds Write
Published
2023-06-21T19:43Z
EPSS history
Timeline
  • 21 JUN 19:43Z
    Buffer overflow in S0 Decryption on Z/IP Gatweay
    cvelistv5