CVE-2017-11148 : Security Advisory and Response

Synology Chat before 1.1.0-0806 is affected by a server-side request forgery (SSRF) vulnerability that allows authenticated remote users to access intranet resources.

Understanding CVE-2017-11148

An SSRF vulnerability in Synology Chat's link preview feature enables authenticated remote users to access intranet resources through unspecified methods.

What is CVE-2017-11148?

This CVE identifies a server-side request forgery (SSRF) vulnerability in Synology Chat before version 1.1.0-0806, allowing authenticated remote users to access intranet resources.

The Impact of CVE-2017-11148

The vulnerability permits authenticated remote users to access resources within an intranet, potentially leading to unauthorized access and data leakage.

Technical Details of CVE-2017-11148

The technical details of this CVE include:

Vulnerability Description

SSRF vulnerability in Synology Chat's link preview feature

Affected Systems and Versions

Product: Synology Chat
Vendor: Synology
Versions Affected: before 1.1.0-0806

Exploitation Mechanism

Authenticated remote users exploit the SSRF vulnerability to access intranet resources through unspecified vectors.

Mitigation and Prevention

To address CVE-2017-11148, consider the following steps:

Immediate Steps to Take

Update Synology Chat to version 1.1.0-0806 or later
Monitor network traffic for suspicious activity

Long-Term Security Practices

Regularly review and update security configurations
Educate users on safe browsing practices

Patching and Updates

Apply security patches promptly to mitigate vulnerabilities and enhance system security