CVE-2019-12901 Explained : Impact and Mitigation

Pydio Cells versions prior to 1.5.0 are vulnerable to a security issue where it does not properly handle the neutralization of '../' elements, leading to a privilege escalation vulnerability.

Understanding CVE-2019-12901

Pydio Cells before version 1.5.0 allows attackers with minimal privileges to upload and delete files/folders in directories with restricted access.

What is CVE-2019-12901?

This CVE refers to a vulnerability in Pydio Cells versions before 1.5.0 that enables attackers to escalate privileges by manipulating directory access.

The Impact of CVE-2019-12901

The vulnerability allows unauthorized users to perform file operations in restricted directories, potentially compromising sensitive data and system integrity.

Technical Details of CVE-2019-12901

Pydio Cells vulnerability details and affected systems.

Vulnerability Description

Pydio Cells fails to neutralize '../' elements, enabling attackers to upload and delete files/folders in restricted directories, leading to privilege escalation.

Affected Systems and Versions

Product: Pydio Cells
Versions Affected: Prior to 1.5.0

Exploitation Mechanism

Attackers with minimal privileges can exploit the lack of proper neutralization of directory elements to manipulate file operations in restricted directories.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-12901 vulnerability.

Immediate Steps to Take

Update Pydio Cells to version 1.5.0 or later to patch the vulnerability.
Restrict user privileges to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and audit file operations and access permissions.
Educate users on secure file management practices to prevent unauthorized activities.

Patching and Updates

Stay informed about security updates and patches released by Pydio Cells.