CVE-2017-15892 : Vulnerability Insights and Analysis

Synology Chat before 2.0.0-1124 is vulnerable to multiple cross-site scripting (XSS) attacks, allowing remote authenticated users to inject malicious scripts or HTML.

Understanding CVE-2017-15892

What is CVE-2017-15892?

CVE-2017-15892 refers to XSS vulnerabilities in Synology Chat's Slash Command Creator before version 2.0.0-1124, enabling authenticated remote users to inject arbitrary web scripts or HTML.

The Impact of CVE-2017-15892

These vulnerabilities can be exploited by authenticated users from remote locations to execute malicious scripts, potentially leading to unauthorized data access or manipulation.

Technical Details of CVE-2017-15892

Vulnerability Description

The vulnerabilities in Synology Chat's Slash Command Creator allow attackers to inject malicious scripts or HTML via parameters like COMMAND, COMMANDS INSTRUCTION, and DESCRIPTION.

Affected Systems and Versions

Product: Chat
Vendor: Synology
Versions Affected: Before 2.0.0-1124

Exploitation Mechanism

Attackers can exploit these vulnerabilities by injecting malicious scripts or HTML through specific parameters in the Slash Command Creator of Synology Chat.

Mitigation and Prevention

Immediate Steps to Take

Update Synology Chat to version 2.0.0-1124 or later to mitigate the XSS vulnerabilities.
Regularly monitor and review user-generated content for suspicious scripts or HTML.

Long-Term Security Practices

Educate users on safe browsing practices and the risks of executing untrusted scripts.
Implement content security policies to prevent XSS attacks.

Patching and Updates

Ensure timely installation of security patches and updates provided by Synology to address known vulnerabilities.