CVE-2020-12303 : Security Advisory and Response

A vulnerability in Intel(R) CSME and Intel(R) TXE versions before specified versions could allow an authenticated user to escalate privileges via local access.

Understanding CVE-2020-12303

This CVE involves a use-after-free issue in the DAL subsystem of Intel(R) CSME and Intel(R) TXE.

What is CVE-2020-12303?

The vulnerability in Intel(R) CSME and Intel(R) TXE versions before specific versions may enable an authenticated user to potentially escalate privileges through local access.

The Impact of CVE-2020-12303

The vulnerability could lead to an escalation of privileges, posing a security risk to affected systems.

Technical Details of CVE-2020-12303

This section provides detailed technical information about the CVE.

Vulnerability Description

The use-after-free vulnerability in the DAL subsystem of Intel(R) CSME and Intel(R) TXE versions before specified versions.

Affected Systems and Versions

Products: Intel(R) CSME, Intel(R) TXE
Versions: Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45, and 14.5.25, Intel(R) TXE 3.1.80, 4.0.30

Exploitation Mechanism

The vulnerability may be exploited by an authenticated user with local access to potentially escalate privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-12303 is crucial to maintaining security.

Immediate Steps to Take

Apply patches provided by Intel to address the vulnerability.
Monitor for any unauthorized access or privilege escalation attempts.

Long-Term Security Practices

Regularly update and patch systems to prevent known vulnerabilities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Ensure all affected systems are updated with the latest patches from Intel to mitigate the vulnerability.