CVE-2022-27618 : Security Advisory and Response

A Path Traversal vulnerability, CVE-2022-27618, was discovered in Synology Storage Analyzer before version 2.1.0-0390. This vulnerability could allow remote authenticated users to delete arbitrary files by exploiting improper limitations in the webapi component.

Understanding CVE-2022-27618

This section provides detailed insights into the CVE-2022-27618 vulnerability in Synology Storage Analyzer.

What is CVE-2022-27618?

The CVE-2022-27618 vulnerability involves improper limitation of a pathname to a restricted directory ('Path Traversal') in the webapi component of Synology Storage Analyzer. This flaw enables remote authenticated users to delete arbitrary files through unspecified attack vectors.

The Impact of CVE-2022-27618

CVE-2022-27618 has a base score of 6.8, categorizing it as a medium severity vulnerability. It poses a high integrity impact, requiring high privileges for exploitation. The attack vector is through a network with low complexity, and there is no impact on availability and confidentiality.

Technical Details of CVE-2022-27618

Explore the technical specifics related to CVE-2022-27618 in this section.

Vulnerability Description

The vulnerability allows remote authenticated attackers to delete arbitrary files by bypassing restrictions within the webapi component of Synology Storage Analyzer.

Affected Systems and Versions

Synology Storage Analyzer versions earlier than 2.1.0-0390 are affected by CVE-2022-27618. Users with unspecified custom versions are also at risk.

Exploitation Mechanism

Remote authenticated users can exploit this vulnerability, leveraging Path Traversal techniques to delete files via the webapi component in vulnerable versions of Synology Storage Analyzer.

Mitigation and Prevention

Discover strategies to mitigate and prevent the exploitation of CVE-2022-27618 in this section.

Immediate Steps to Take

Users should update their Synology Storage Analyzer to version 2.1.0-0390 or later to address the CVE-2022-27618 vulnerability. Additionally, access control measures should be enforced to restrict unauthorized file operations.

Long-Term Security Practices

Implement stringent access controls, conduct regular security assessments, and educate users on secure file management practices to enhance long-term security posture.

Patching and Updates

Stay informed about security patches and updates released by Synology for Storage Analyzer to safeguard against known vulnerabilities like CVE-2022-27618.