CVE-2023-30546CWE-125CWE-193

Contiki-NG has off-by-one error in Antelope DBMS

Critical · published April 26, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
49.9
In the wild
Unconfirmed
What it is

🔥 A single off-by-one error in Contiki-NG could have devastating consequences for your IoT devices! Think of it like a restaurant that runs out of ingredients and decides to stretch one last slice of cheese to make a critical dish — if they push it too far, they might end up with a disaster in the kitchen. In this case, the off-by-one error leads to reading memory it shouldn’t, just like that cheese could ruin the whole meal! An attacker could exploit this oversight to gain unauthorized access and manipulate data, leading to severe disruptions in your IoT applications. Imagine an intruder slipping into your system unnoticed and tampering with critical device settings — it's absolutely catastrophic!

Put simply

Think of it like a restaurant that runs out of ingredients and decides to stretch one last slice of cheese to make a critical dish — if they push it too far, they might end up with a disaster in the kitchen. In this case, the off-by-one error leads to reading memory it shouldn’t, just like that cheese could ruin the whole meal! This vulnerability in Contiki-NG is an off-by-one error in the Antelope database management system. It stems from the insufficient buffer allocation in the Contiki File System, which allows functions to read memory beyond their designated space, creating a potential security risk.

What to do

An attacker could exploit this oversight to gain unauthorized access and manipulate data, leading to severe disruptions in your IoT applications. Imagine an intruder slipping into your system unnoticed and tampering with critical device settings — it's absolutely catastrophic! To remediate this vulnerability, patch your Contiki-NG to the latest version or apply the fix from pull request #2425 in the develop branch. It's crucial to address this issue as soon as possible to protect your IoT infrastructure! You've got this! Follow these steps to secure your devices, and you'll have them locked down in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00638 · 49.9th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-193 · Off-by-one Error
Published
2023-04-26T18:14Z
EPSS history
Timeline
  • 26 APR 18:14Z
    Contiki-NG has off-by-one error in Antelope DBMS
    cvelistv5