CVE-2019-20443 : Security Advisory and Response

A security vulnerability has been identified in the registry UI of WSO2 API Manager 2.6.0, WSO2 Enterprise Integrator 6.5.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. The vulnerability involves a potential stored Cross-Site Scripting (XSS) exploit in the mediaType component.

Understanding CVE-2019-20443

This CVE involves a stored Cross-Site Scripting (XSS) vulnerability in multiple WSO2 products.

What is CVE-2019-20443?

CVE-2019-20443 is a security vulnerability found in WSO2 API Manager, WSO2 Enterprise Integrator, WSO2 IS as Key Manager, and WSO2 Identity Server, allowing potential stored Cross-Site Scripting (XSS) attacks.

The Impact of CVE-2019-20443

The impact of this vulnerability is rated as LOW severity with a CVSS base score of 3.5. The attack complexity is LOW, requiring HIGH privileges, and user interaction is REQUIRED.

Technical Details of CVE-2019-20443

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves a stored Cross-Site Scripting (XSS) exploit in the mediaType component of the affected WSO2 products.

Affected Systems and Versions

WSO2 API Manager 2.6.0
WSO2 Enterprise Integrator 6.5.0
WSO2 IS as Key Manager 5.7.0
WSO2 Identity Server 5.8.0

Exploitation Mechanism

The vulnerability can be exploited through a network attack vector, requiring user interaction and high privileges.

Mitigation and Prevention

To address CVE-2019-20443, follow these mitigation steps:

Immediate Steps to Take

Apply security patches provided by WSO2 for the affected products.
Educate users about the risks of XSS attacks and safe browsing practices.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement security measures like input validation and output encoding to mitigate XSS risks.

Patching and Updates

Stay informed about security advisories from WSO2 and apply patches promptly to secure your systems.