CVE-2020-11976 Explained : Impact and Mitigation

Apache Wicket versions 7.16.0, 8.8.0, and 9.0.0-M5 are affected by a vulnerability that allows attackers to view sensitive information in unprocessed HTML templates.

Understanding CVE-2020-11976

Apache Wicket is susceptible to an information disclosure vulnerability that could lead to the exposure of sensitive data.

What is CVE-2020-11976?

Crafting a specific URL can prompt Apache Wicket to deliver unprocessed HTML templates, potentially revealing sensitive information that is typically removed during rendering.

The Impact of CVE-2020-11976

This vulnerability enables attackers to access confidential data within HTML templates, posing a risk of information exposure.

Technical Details of CVE-2020-11976

Apache Wicket's vulnerability allows for the disclosure of sensitive information through unprocessed HTML templates.

Vulnerability Description

By manipulating URLs, attackers can exploit Apache Wicket to display raw HTML templates, exposing potentially sensitive data.

Affected Systems and Versions

Apache Wicket versions 7.16.0, 8.8.0, and 9.0.0-M5

Exploitation Mechanism

Attackers can leverage specially crafted URLs to force Apache Wicket to reveal unprocessed HTML templates, leading to information disclosure.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are crucial to safeguard systems against CVE-2020-11976.

Immediate Steps to Take

Update Apache Wicket to a non-vulnerable version.
Monitor and restrict access to sensitive information.
Implement URL filtering and validation mechanisms.

Long-Term Security Practices

Regularly audit and review URL handling mechanisms.
Conduct security training for developers on secure coding practices.
Stay informed about security updates and patches.

Patching and Updates

Apply patches provided by Apache Wicket promptly to address the vulnerability and enhance system security.