CVE-2019-12902 : Vulnerability Insights and Analysis

Pydio Cells versions earlier than 1.5.0 have a flaw in their data deletion process, allowing a new user to access previously deleted user data.

Understanding CVE-2019-12902

Pydio Cells before version 1.5.0 fails to completely remove a user's data upon deletion, potentially leading to unauthorized access.

What is CVE-2019-12902?

This CVE refers to a vulnerability in Pydio Cells versions prior to 1.5.0 that results in incomplete data cleanup when a user is deleted, enabling a new user with the same User ID to retrieve the deleted user's data.

The Impact of CVE-2019-12902

The vulnerability allows unauthorized access to sensitive data of previously deleted users, posing a risk of data exposure and privacy breaches.

Technical Details of CVE-2019-12902

Pydio Cells vulnerability details and affected systems.

Vulnerability Description

Pydio Cells fails to fully delete user data upon deletion, potentially exposing it to new users with the same User ID.

Affected Systems and Versions

Pydio Cells versions earlier than 1.5.0

Exploitation Mechanism

An attacker creates a new user with the same User ID as a deleted user to access the deleted user's data.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-12902.

Immediate Steps to Take

Upgrade Pydio Cells to version 1.5.0 or later to address the vulnerability.
Monitor user accounts for suspicious activity or unauthorized access.

Long-Term Security Practices

Regularly review and update data deletion processes to ensure complete removal of user data.
Implement user ID uniqueness checks to prevent unauthorized access to deleted user data.

Patching and Updates

Apply security patches and updates provided by Pydio to fix the vulnerability.