CVE-2021-28655 : What You Need to Know

Apache Zeppelin is affected by an Arbitrary file deletion vulnerability that allows an attacker to delete arbitrary files through the 'Move folder to Trash' feature. This affects Apache Zeppelin version 0.9.0 and earlier.

Understanding CVE-2021-28655

This CVE identifies a critical security flaw in Apache Zeppelin that enables unauthorized deletion of files.

What is CVE-2021-28655?

The vulnerability in the 'Move folder to Trash' feature of Apache Zeppelin permits attackers to delete files without proper validation. This poses a severe security risk to affected systems.

The Impact of CVE-2021-28655

The impact of this vulnerability is significant as it allows malicious actors to manipulate the file system, potentially leading to data loss or system instability.

Technical Details of CVE-2021-28655

Within the Apache Zeppelin software, an issue in handling file deletion requests exposes a critical security loophole.

Vulnerability Description

The vulnerability arises due to insufficient input validation in the 'Move folder to Trash' functionality, enabling attackers to delete files at will.

Affected Systems and Versions

Apache Zeppelin versions 0.9.0 and earlier are vulnerable to this exploit.

Exploitation Mechanism

Attackers can leverage the affected feature to delete files without appropriate checks, posing a direct threat to data integrity and system operations.

Mitigation and Prevention

Prompt action is crucial to mitigate the risks associated with CVE-2021-28655.

Immediate Steps to Take

Users are advised to update Apache Zeppelin to a patched version immediately to prevent unauthorized file deletions.

Long-Term Security Practices

Implementing robust input validation mechanisms and regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from Apache Software Foundation and apply patches diligently to keep systems secure.