CVE-2021-22028 : Security Advisory and Response

A file path traversal vulnerability (CWE-22) in the Greenplum database versions prior to 5.28.6 and 6.14.0 allows a malicious user to gain unauthorized access to sensitive information on the file system.

Understanding CVE-2021-22028

This CVE highlights a security flaw in Greenplum database versions that could lead to information disclosure and unauthorized data manipulation.

What is CVE-2021-22028?

CVE-2021-22028 refers to a file path traversal vulnerability in Greenplum database versions prior to 5.28.6 and 6.14.0. This vulnerability enables a malicious actor to exploit inadequate restrictions on file paths and access confidential information from the file system.

The Impact of CVE-2021-22028

The vulnerability can result in unauthorized disclosure of sensitive data and allow attackers to read or write files on the file system, potentially leading to further compromise of the system.

Technical Details of CVE-2021-22028

The technical aspects of the CVE cover the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

Greenplum database versions 5.28.6 and 6.14.0 are susceptible to a file path traversal issue that allows attackers to access files outside of the intended directory, compromising data security.

Affected Systems and Versions

The versions impacted include Greenplum database versions 6.x.0 prior to 6.14.0 and 5.28.x prior to 5.28.6. Users with these versions are advised to take immediate action to mitigate the risk.

Exploitation Mechanism

By manipulating file paths, threat actors can exploit the lack of proper path restrictions in the Greenplum database to gain unauthorized access to sensitive information stored on the system.

Mitigation and Prevention

To address CVE-2021-22028 and enhance security measures, users should follow immediate steps and establish long-term security practices.

Immediate Steps to Take

Immediately update Greenplum database to versions 6.14.0 and 5.28.6 or apply patches provided by VMware to remediate the vulnerability and prevent exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users on best practices to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security updates from VMware and apply patches promptly to safeguard systems from known vulnerabilities.