SB2020062311 - Privilege escalation in AMD Generic Encapsulated Software Architecture (AGESA)
Published: June 23, 2020
Security Bulletin ID
SB2020062311
Severity
Low
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-12890)
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to improper security restrictions in AMD’s client and embedded processors that came out between 2016 and 2019. An authenticated attacker with physical access can manipulate the AMD Generic Encapsulated Software Architecture (AGESA) and execute arbitrary code on the target system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.