CVE-2021-36278 : Security Advisory and Response

Dell EMC PowerScale OneFS versions 8.2.x, 9.1.0.x, and 9.1.1.1 have a sensitive information exposure vulnerability in log files, allowing local malicious users to access sensitive information. Here's what you need to know about CVE-2021-36278.

Understanding CVE-2021-36278

This section delves into the details of the vulnerability, its impact, and how to mitigate the risks associated with it.

What is CVE-2021-36278?

CVE-2021-36278 is a vulnerability in Dell EMC PowerScale OneFS versions 8.2.x, 9.1.0.x, and 9.1.1.1 that exposes sensitive information in log files, potentially accessible to malicious local users.

The Impact of CVE-2021-36278

The vulnerability poses a high-risk threat with a CVSS base score of 8.1, affecting confidentiality, integrity, and availability. Malicious users with specific privileges can exploit the vulnerability to access sensitive data, which could also be accessed by third-party systems that consume the affected logs.

Technical Details of CVE-2021-36278

Let's explore the technical aspects of the CVE-2021-36278 vulnerability.

Vulnerability Description

The vulnerability in Dell EMC PowerScale OneFS exposes sensitive information through log files, granting unauthorized access to users with certain privileges.

Affected Systems and Versions

Dell EMC PowerScale OneFS versions 8.2.x, 9.1.0.x, and 9.1.1.1 are impacted by this vulnerability.

Exploitation Mechanism

Local malicious users with specific privileges, such as ISI_PRIV_LOGIN_SSH, ISI_PRIV_LOGIN_CONSOLE, or ISI_PRIV_SYS_SUPPORT, can exploit this vulnerability to access sensitive information.

Mitigation and Prevention

Protecting your systems from CVE-2021-36278 is crucial to safeguard sensitive data and maintain system integrity.

Immediate Steps to Take

Ensure unauthorized users do not have access to sensitive log files on Dell EMC PowerScale OneFS. Monitor log file access and restrict privileges to prevent exploitation.

Long-Term Security Practices

Implement strong access controls, conduct regular security audits, and educate users on security best practices to mitigate future vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Dell for PowerScale OneFS. Promptly apply patches to address CVE-2021-36278 and enhance system security.