CVE-2023-45318CWE-122

A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004

Critical · published February 20, 2024

CVSS v3.1
10.0
EPSS
2%
Percentile
77.6
In the wild
Unconfirmed
What it is

🚨 A single malicious packet is all it takes to unleash chaos in Weston Embedded uC-HTTP! This heap-based buffer overflow vulnerability could allow attackers to execute arbitrary code, and that's no small matter! 🔥 Think of it like a tiny delivery truck carrying a package so oversized it can crash through the walls of a building — just one ill-prepared packet can bring the whole server down and let an intruder inside. The consequences of this vulnerability are absolutely devastating: an attacker could potentially gain full control of the server, allowing them to execute any code they desire. This could lead to data breaches, system crashes, or even a total takeover of your embedded system. It's critical to act before anyone sends that malicious package!

Put simply

Think of it like a tiny delivery truck carrying a package so oversized it can crash through the walls of a building — just one ill-prepared packet can bring the whole server down and let an intruder inside. This heap-based buffer overflow flaw in the HTTP Server functionality of Weston Embedded uC-HTTP allows attackers to send specially crafted network packets that can overwrite memory and execute arbitrary code. The vulnerability is present in git commit 80d4004, making it a serious threat.

What to do

The consequences of this vulnerability are absolutely devastating: an attacker could potentially gain full control of the server, allowing them to execute any code they desire. This could lead to data breaches, system crashes, or even a total takeover of your embedded system. It's critical to act before anyone sends that malicious package! To safeguard your systems, immediately patch to the latest version of Weston Embedded uC-HTTP. It's crucial to review your network configurations and implement strict packet validation to prevent any such malicious deliveries in the future. You've got this! With these steps, you'll lock down your systems and maintain your hero status in the security world! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01746 · 77.6th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2024-02-20T14:45Z
EPSS history
Timeline
  • 20 FEB 14:45Z
    A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004
    cvelistv5