CVE-2017-11560 : What You Need to Know

A vulnerability has been identified in ZOHO ManageEngine OpManager 12.2 that allows an attacker to upload a malicious HTML file containing JavaScript code.

Understanding CVE-2017-11560

This CVE describes a security flaw in ZOHO ManageEngine OpManager 12.2 that enables an authenticated user to upload an HTML file with JavaScript code, potentially leading to a harmful JavaScript payload injection.

What is CVE-2017-11560?

The vulnerability in ZOHO ManageEngine OpManager 12.2 allows an authenticated user to upload an HTML file containing JavaScript code, which can be executed within the application.

The Impact of CVE-2017-11560

The flaw enables an attacker to inject malicious JavaScript payloads into the application, potentially leading to unauthorized access, data theft, or further exploitation of the system.

Technical Details of CVE-2017-11560

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

An authenticated user can upload an HTML file with JavaScript code, which the application interprets and executes, allowing for the injection of harmful JavaScript payloads.

Affected Systems and Versions

System: ZOHO ManageEngine OpManager 12.2
Versions: All versions prior to the patched release

Exploitation Mechanism

Attacker incorporates a Google Map into the application to upload an HTML file
Uploaded HTML file is displayed in multiple areas of the application
Application interprets JavaScript code within the uploaded HTML, enabling malicious payload injection

Mitigation and Prevention

To address CVE-2017-11560, follow these mitigation strategies:

Immediate Steps to Take

Update ZOHO ManageEngine OpManager to the latest patched version
Restrict file upload capabilities to trusted users
Implement input validation to prevent execution of JavaScript code

Long-Term Security Practices

Regular security audits and code reviews
Employee training on secure coding practices

Patching and Updates

Apply security patches promptly
Stay informed about security advisories and updates from ZOHO ManageEngine