CVE-2019-11656 Explained : Impact and Mitigation

Micro Focus ArcSight Logger before version 6.7.1 HotFix 6.7.1.8262.0 is vulnerable to stored XSS, potentially enabling 'Cross-site Scripting' attacks.

Understanding CVE-2019-11656

This CVE involves a stored XSS vulnerability in Micro Focus ArcSight Logger, affecting versions prior to Logger 6.7.1 HotFix 6.7.1.8262.0.

What is CVE-2019-11656?

The vulnerability found in Micro Focus ArcSight Logger, before version 6.7.1 HotFix 6.7.1.8262.0, exposes a stored XSS flaw. This flaw has the potential to enable 'Cross-site Scripting' by improperly neutralizing input during the generation of web pages.

The Impact of CVE-2019-11656

Allows attackers to execute malicious scripts in the context of a user's session on the affected site.
Can lead to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2019-11656

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in ArcSight Logger allows for stored XSS attacks, posing a significant security risk.

Affected Systems and Versions

Product: ArcSight Logger
Vendor: Micro Focus
Versions Affected: All versions prior to Logger 6.7.1 HotFix 6.7.1.8262.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into web pages, which are then executed in the context of a user's session.

Mitigation and Prevention

Protecting systems from CVE-2019-11656 is crucial for maintaining security.

Immediate Steps to Take

Apply the necessary patch or update to version 6.7.1 HotFix 6.7.1.8262.0 or later.
Monitor for any signs of unauthorized access or unusual activities on the system.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement input validation and output encoding to prevent XSS attacks.

Patching and Updates

Micro Focus has released a fix for this security vulnerability. Ensure all affected systems are updated to the patched version.