CVE-2020-8731 Explained : Impact and Mitigation

This CVE involves incorrect execution-assigned permissions in the file system for certain Intel(R) Server Boards, Server Systems, and Compute Modules before version 1.59, potentially leading to privilege escalation via local access.

Understanding CVE-2020-8731

This vulnerability pertains to the incorrect permissions assigned in the file system of specific Intel server products, allowing an authenticated user to exploit the flaw for privilege escalation.

What is CVE-2020-8731?

The vulnerability in Intel server products before version 1.59 could enable an authenticated user to elevate their privileges locally, posing a security risk.

The Impact of CVE-2020-8731

The vulnerability may allow an attacker with local access to the system to escalate their privileges, potentially leading to unauthorized actions and compromise of sensitive data.

Technical Details of CVE-2020-8731

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The flaw involves incorrect execution-assigned permissions in the file system of certain Intel server products, which could be exploited by an authenticated user for privilege escalation.

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 an authenticated user to manipulate file system permissions to escalate their privileges locally, potentially leading to unauthorized actions.

Mitigation and Prevention

Protecting systems from CVE-2020-8731 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Intel promptly to mitigate the vulnerability.
Monitor system logs for any unusual activities that could indicate exploitation of the privilege escalation issue.

Long-Term Security Practices

Implement the principle of least privilege to restrict user permissions and minimize the impact of potential privilege escalation attacks.
Regularly update and patch system software to address security vulnerabilities and enhance overall system security.

Patching and Updates

Intel has likely released patches addressing the vulnerability; ensure all affected systems are updated with the latest versions to mitigate the risk of privilege escalation.