CVE-2020-8719 : Exploit Details and Defense Strategies

A buffer overflow vulnerability in subsystems of certain Intel(R) Server Boards, Server Systems, and Compute Modules before version 1.59 could allow a privileged user to potentially escalate privileges via local access.

Understanding CVE-2020-8719

This CVE involves a critical buffer overflow issue in specific Intel(R) hardware components that could lead to privilege escalation.

What is CVE-2020-8719?

CVE-2020-8719 is a vulnerability in Intel(R) Server Boards, Server Systems, and Compute Modules that could be exploited by a privileged user to elevate their privileges through local access.

The Impact of CVE-2020-8719

The vulnerability may enable an attacker with local access to the affected systems to gain escalated privileges, potentially leading to unauthorized control and access to sensitive data.

Technical Details of CVE-2020-8719

This section provides detailed technical information about the vulnerability.

Vulnerability Description

A buffer overflow in subsystems of Intel(R) Server Boards, Server Systems, and Compute Modules before version 1.59 could be leveraged by a privileged user to escalate their privileges.

Affected Systems and Versions

Product: Intel(R) Server Boards, Server Systems, and Compute Modules Advisory
Versions Affected: Before version 1.59

Exploitation Mechanism

The vulnerability allows a privileged user to exploit the buffer overflow in the subsystems of the affected Intel hardware, potentially enabling them to escalate their privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-8719 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Intel promptly to mitigate the vulnerability.
Monitor and restrict privileged access to critical systems to prevent unauthorized escalation of privileges.

Long-Term Security Practices

Regularly update and patch system software and firmware to address security vulnerabilities.
Implement strong access controls and least privilege principles to limit the impact of potential privilege escalation attacks.
Conduct regular security assessments and audits to identify and remediate vulnerabilities.
Educate users on secure practices to prevent exploitation of known vulnerabilities.

Patching and Updates

Intel has released patches to address the vulnerability. Ensure all affected systems are updated to version 1.59 or later to mitigate the risk of privilege escalation.