CVE-2022-24942CWE-122

Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution

Critical · published November 2, 2022

CVSS v3.1
9.1
EPSS
2%
Percentile
81.1
In the wild
Unconfirmed
What it is

🔥 A heap-based buffer overflow in Micrium uC-HTTP 3.01.01 can lead to remote code execution with just a malicious HTTP request! Think of it like a delivery service that accepts any package without checking the contents—this could let a sneaky attacker slip in a dangerous item right into your system! 📦 If exploited, an attacker could execute arbitrary code on the server, completely compromising its integrity. Imagine them taking complete control—reading sensitive data, altering configurations, or even bringing the entire service down! This is absolutely devastating!

Put simply

Think of it like a delivery service that accepts any package without checking the contents—this could let a sneaky attacker slip in a dangerous item right into your system! 📦 The vulnerability arises from the HTTP server functionality failing to properly manage memory, allowing overflow conditions that can be exploited to execute arbitrary code remotely.

What to do

If exploited, an attacker could execute arbitrary code on the server, completely compromising its integrity. Imagine them taking complete control—reading sensitive data, altering configurations, or even bringing the entire service down! This is absolutely devastating! Immediately patch your Micrium uC-HTTP to version 3.01.02 to close this vulnerability. Also, consider implementing additional safeguards such as input validation and memory management practices to prevent similar issues in the future. You've got this! With prompt action, you can shore up your defenses and keep your systems safe! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02055 · 81.1th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2022-11-02T21:04Z
EPSS history
Timeline
  • 02 NOV 21:04Z
    Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution
    cvelistv5