CVE-2017-11151 Explained : Impact and Mitigation

A vulnerability in synotheme_upload.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to upload arbitrary files without authentication via the logo_upload action.

Understanding CVE-2017-11151

An issue found in synotheme_upload.php in Synology Photo Station versions prior to 6.7.3-3432 and 6.3-2967 permits unauthorized remote attackers to upload files of any kind without the need for authentication, using the action logo_upload.

What is CVE-2017-11151?

The CVE-2017-11151 vulnerability in Synology Photo Station allows remote attackers to upload files without authentication, posing a security risk.

The Impact of CVE-2017-11151

This vulnerability enables unauthorized users to upload files to the system without authentication, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2017-11151

Vulnerability Description

The flaw in synotheme_upload.php in Synology Photo Station versions before 6.7.3-3432 and 6.3-2967 allows attackers to upload files without authentication through the logo_upload action.

Affected Systems and Versions

Product: Synology Photo Station
Vendor: Synology
Versions Affected: before 6.7.3-3432 and 6.3-2967

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing the logo_upload action to upload files of any type without the need for authentication.

Mitigation and Prevention

Immediate Steps to Take

Update Synology Photo Station to version 6.7.3-3432 or higher to mitigate the vulnerability.
Monitor for any unauthorized file uploads or suspicious activities.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly review and update security configurations to address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by Synology to ensure the system is protected against known vulnerabilities.