CVE-2018-11071 Explained : Impact and Mitigation

Dell EMC Isilon OneFS and IsilonSD Edge are affected by a remote process crash vulnerability, allowing unauthenticated attackers to crash the isi_drive_d process on the system.

Understanding CVE-2018-11071

This CVE involves a vulnerability in various versions of Dell EMC Isilon OneFS and IsilonSD Edge, potentially leading to a remote process crash.

What is CVE-2018-11071?

The vulnerability in Dell EMC Isilon OneFS and IsilonSD Edge versions allows remote attackers to crash the isi_drive_d process by sending specially crafted input data without authentication.

The Impact of CVE-2018-11071

The CVSS score for this vulnerability is 7.5 (High), with a low attack complexity and high availability impact. It does not affect confidentiality or integrity, and no user interaction or privileges are required.

Technical Details of CVE-2018-11071

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Dell EMC Isilon OneFS and IsilonSD Edge versions prior to 8.1.2 allows unauthenticated remote attackers to crash the isi_drive_d process by sending specially crafted input data.

Affected Systems and Versions

Affected Products: Isilon OneFS, IsilonSD Edge
Vulnerable Versions: Isilon OneFS 7.1.1.x, 7.2.1.x, 8.0.0.x, 8.0.1.x, 8.1.0.x, 8.1.x, IsilonSD Edge 8.0.0.x, 8.0.1.x, 8.1.0.x, 8.1.x
Versions Not Affected: Isilon OneFS, IsilonSD Edge versions 8.1.2 and above

Exploitation Mechanism

The vulnerability can be exploited remotely by sending specially crafted input data to the affected system, causing the isi_drive_d process to crash and restart.

Mitigation and Prevention

Protect your systems from CVE-2018-11071 with the following steps:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor vendor channels for security advisories.
Implement network security best practices.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users on security awareness and best practices.

Patching and Updates

Ensure that your Isilon OneFS and IsilonSD Edge systems are updated to versions 8.1.2 or above to mitigate the vulnerability.