Potential Memory Buffer Vulnerability in ASP Secure OS Could Lead to Privilege Escalation
CVE-2021-46757

7.8HIGH

Key Information:

Vendor
Amd
Vendor
CVE Published:
13 February 2024

Summary

A buffer overflow vulnerability exists in AMD's ASP Secure OS due to insufficient checks on memory buffers. This flaw could allow an attacker exploiting a malicious Trusted Application (TA) to read or write to sensitive areas of the kernel's virtual address space. If successfully exploited, this vulnerability could lead to privilege escalation, thereby permitting unauthorized access to critical system functionalities. Organizations utilizing AMD ASP Secure OS should assess and reinforce their security measures to mitigate potential risks associated with this vulnerability.

Affected Version(s)

AMD Ryzen™ Embedded 5000 various

AMD Ryzen™ Embedded V2000 various

References

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.