CVE-2019-0160CWE-120

Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network…

High · published March 27, 2019

CVSS v3.0
8.7
EPSS
1%
Percentile
71.0
In the wild
Unconfirmed
What it is

🚨 An unauthenticated user could exploit a buffer overflow in firmware, potentially leading to privilege escalation or a denial of service! 🔥 Think of it like a networked vending machine where someone can press a hidden sequence of buttons to unlock the cash drawer — only instead of cash, they can access sensitive system privileges or even shut the whole machine down! The consequences could be absolutely devastating: an attacker could gain unauthorized control over critical system functions, leading to data breaches, service outages, or complete system failures. This isn’t just a minor hiccup; it’s a major security risk that could give malicious users undue access to sensitive operations!

Put simply

Think of it like a networked vending machine where someone can press a hidden sequence of buttons to unlock the cash drawer — only instead of cash, they can access sensitive system privileges or even shut the whole machine down! This buffer overflow vulnerability in the EDK II system firmware allows an unauthenticated user to manipulate memory allocation, potentially leading to escalated privileges or a denial of service when network access is involved.

What to do

The consequences could be absolutely devastating: an attacker could gain unauthorized control over critical system functions, leading to data breaches, service outages, or complete system failures. This isn’t just a minor hiccup; it’s a major security risk that could give malicious users undue access to sensitive operations! To mitigate this risk, it’s crucial to patch the firmware to the latest version immediately. Review your systems for instances of EDK II, and consider implementing additional access controls to limit exposure. Don't let your devices be the weak link! You've got this! Follow these steps, and you’ll strengthen your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.0
8.7 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01338 · 71.0th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2019-03-27T19:20Z
EPSS history
Timeline
  • 27 MAR 19:20Z
    Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network…
    cvelistv5