CVE-2019-17557 : Vulnerability Insights and Analysis

Apache Syncope EndUser UI versions 2.0.15 and 2.1.6 are vulnerable to an information disclosure issue due to a reflection of successMessage parameters on the login page.

Understanding CVE-2019-17557

This CVE identifies a security vulnerability in Apache Syncope that allows users to manipulate JavaScript code through the URL query string when accessing the EndUser UI.

What is CVE-2019-17557?

Apache Syncope EndUser UI versions 2.0.15 and 2.1.6 reflect successMessage parameters on the login page, enabling potential manipulation of JavaScript code via the URL query string.

The Impact of CVE-2019-17557

The vulnerability could lead to information disclosure, allowing unauthorized users to execute malicious JavaScript code.

Technical Details of CVE-2019-17557

Apache Syncope EndUser UI versions 2.0.15 and 2.1.6 are susceptible to the following:

Vulnerability Description

The login page reflects successMessage parameters, enabling JavaScript code manipulation.

Affected Systems and Versions

Product: Apache Syncope
Versions Affected: Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6

Exploitation Mechanism

Users can exploit the vulnerability by manipulating JavaScript code through the URL query string while accessing the EndUser UI.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2019-17557:

Immediate Steps to Take

Update Apache Syncope to versions 2.0.15 or 2.1.6 to mitigate the vulnerability.
Monitor and restrict access to the EndUser UI to authorized users only.

Long-Term Security Practices

Regularly review and update security configurations and protocols.
Educate users on safe browsing practices and the risks of manipulating URL query strings.

Patching and Updates

Apply patches and updates provided by Apache Syncope to fix the vulnerability and enhance system security.