CVE-2023-31247CWE-119

A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01

Critical · published November 14, 2023

CVSS v3.1
9.0
EPSS
2%
Percentile
76.6
In the wild
Unconfirmed
What it is

🚨 A cleverly crafted network packet is all it takes to unleash chaos in Weston Embedded uC-HTTP v3.01.01! Think of this like a delivery driver who, instead of showing up with a package, hands over a ticking time bomb disguised as a parcel. Open the door for the wrong packet, and you might just blow your systems to bits! 💣 An attacker can exploit this vulnerability to execute malicious code on your server, potentially leading to unauthorized access, data breaches, or even complete system compromise. Imagine someone hijacking your server and taking control — it's absolutely devastating! 🔥

Put simply

Think of this like a delivery driver who, instead of showing up with a package, hands over a ticking time bomb disguised as a parcel. Open the door for the wrong packet, and you might just blow your systems to bits! 💣 This memory corruption vulnerability occurs during the parsing of the HTTP Host header, allowing attackers to send specially crafted packets that execute arbitrary code.

What to do

An attacker can exploit this vulnerability to execute malicious code on your server, potentially leading to unauthorized access, data breaches, or even complete system compromise. Imagine someone hijacking your server and taking control — it's absolutely devastating! 🔥 Immediately patch to version 3.01.02 or later to fix this critical vulnerability. Additionally, review your firewall rules to block unexpected traffic and monitor incoming packets closely for any malicious activity. 🛡️ You’ve got this! With timely action, you can secure your systems and keep your data safe. 💪✨

The record
Technical detail
CVSS v3.1
9.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01672 · 76.6th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2023-11-14T09:14Z
EPSS history
Timeline
  • 14 NOV 09:14Z
    A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01
    cvelistv5