CVE-2022-22679 : Exploit Details and Defense Strategies

A detailed analysis of the CVE-2022-22679 vulnerability affecting Synology DiskStation Manager (DSM).

Understanding CVE-2022-22679

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2022-22679?

The CVE-2022-22679 vulnerability is characterized by improper limitation of a pathname to a restricted directory (Path Traversal) in the support service management of Synology DiskStation Manager (DSM) prior to version 7.0.1-42218-2. This flaw enables remote authenticated users to write arbitrary files through unspecified vectors.

The Impact of CVE-2022-22679

The vulnerability poses a medium severity threat with a CVSS base score of 6.5, high impacts on confidentiality and integrity, and requires high privileges for exploitation. It allows attackers to manipulate files on the system remotely.

Technical Details of CVE-2022-20657

Explore the technical aspects of the CVE-2022-22679 vulnerability.

Vulnerability Description

The vulnerability originates from improper restriction of directory paths, leading to unauthorized file read and write operations.

Affected Systems and Versions

Synology DiskStation Manager (DSM) versions earlier than 7.0.1-42218-2 are vulnerable to exploitation.

Exploitation Mechanism

Remote authenticated users can exploit this vulnerability by submitting specially crafted requests to the affected service, allowing them to write arbitrary files on the system.

Mitigation and Prevention

Discover the measures to mitigate and prevent the exploitation of CVE-2022-22679.

Immediate Steps to Take

Upgrade Synology DiskStation Manager (DSM) to version 7.0.1-42218-2 or above to eliminate the vulnerability.

Long-Term Security Practices

Implement robust access controls and user permissions to limit the impact of potential attacks.

Patching and Updates

Regularly monitor and apply security patches and updates provided by Synology to ensure the system's protection.