CVE-2022-22688 : Security Advisory and Response

A command injection vulnerability was discovered in Synology DiskStation Manager (DSM) before version 6.2.4-25556-2, allowing remote authenticated users to run arbitrary commands on the system.

Understanding CVE-2022-22688

This CVE identifies a critical security issue in Synology's DSM that could potentially lead to unauthorized command execution by authenticated users.

What is CVE-2022-22688?

The vulnerability stems from improper handling of special characters in commands within the File service functionality of DSM. This flaw enables attackers to exploit the system's processing of commands, resulting in the execution of malicious instructions.

The Impact of CVE-2022-22688

With a CVSS base score of 8.8, this high-severity vulnerability poses significant risks to confidentiality, integrity, and availability. Attackers can leverage this flaw to compromise the affected system and perform unauthorized activities.

Technical Details of CVE-2022-22688

This section delves into the specifics of the vulnerability, outlining the affected systems, exploitation mechanisms, and more.

Vulnerability Description

The vulnerability allows remote authenticated users to execute arbitrary commands on the system by exploiting weaknesses in command processing.

Affected Systems and Versions

Synology's DiskStation Manager (DSM) versions earlier than 6.2.4-25556-2 are vulnerable to this command injection issue.

Exploitation Mechanism

Attackers with authenticated access can craft and submit specially designed commands through the File service functionality to execute unauthorized operations on the system.

Mitigation and Prevention

To address and mitigate the risks associated with CVE-2022-22688, users and administrators should take immediate and proactive security measures.

Immediate Steps to Take

Upgrade DSM: Ensure all instances of DSM are updated to version 6.2.4-25556-2 or higher to patch the vulnerability.
Access Control: Restrict access and permissions for user accounts to minimize the likelihood of exploitation.

Long-Term Security Practices

Regular Audits: Conduct periodic security audits and scans to identify vulnerabilities and apply necessary fixes promptly.
Security Training: Educate users on security best practices and awareness to prevent social engineering attacks.

Patching and Updates

Stay informed about security updates and patches released by Synology for DSM. Promptly apply these updates to ensure your systems are protected against known vulnerabilities.