CVE-2021-46754

Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into…

published May 9, 2023

CVSS
—
EPSS
1%
Percentile
46.2
In the wild
Unconfirmed
What it is

⚠️ Insufficient input validation in the ASP bootloader could let attackers sneak sensitive info right out the back door! 🚪 Think of it like a restaurant where the chef accidentally leaves the kitchen door ajar. If a sneaky diner can slip in, they could see the secret recipes or even tamper with the dishes before they go out! This vulnerability might allow an attacker to expose sensitive information to the System Management Unit (SMU), putting the confidentiality and integrity of your system at significant risk. It's like having a trusted recipe book that suddenly goes public—everyone could see what ingredients make your system tick!

Put simply

Think of it like a restaurant where the chef accidentally leaves the kitchen door ajar. If a sneaky diner can slip in, they could see the secret recipes or even tamper with the dishes before they go out! Insufficient input validation in the AMD Secure Processor's bootloader can lead to unauthorized access to sensitive data by compromised user applications or the ABL, potentially compromising system security.

What to do

This vulnerability might allow an attacker to expose sensitive information to the System Management Unit (SMU), putting the confidentiality and integrity of your system at significant risk. It's like having a trusted recipe book that suddenly goes public—everyone could see what ingredients make your system tick! To mitigate this risk, ensure that your system firmware is updated to the latest version that addresses this issue. Validate all inputs rigorously and monitor for any unusual behavior in user applications. You've got this! Stay vigilant, patch up, and your system will be as secure as a well-guarded kitchen! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00565 · 46.2th percentile
Published
2023-05-09T19:00Z
EPSS history
Timeline
  • 09 MAY 19:00Z
    Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into…
    cvelistv5