CVE-2020-13953 : Security Advisory and Response

Apache Tapestry from 5.4.0 to 5.5.0 allows attackers to download files within the WEB-INF folder by crafting specific URLs.

Understanding CVE-2020-13953

In Apache Tapestry from version 5.4.0 to 5.5.0, a vulnerability exists that enables attackers to access files in the WEB-INF directory.

What is CVE-2020-13953?

This CVE refers to an information disclosure vulnerability in Apache Tapestry versions 5.4.0 to 5.5.0, allowing unauthorized access to files.

The Impact of CVE-2020-13953

The vulnerability permits attackers to retrieve sensitive information from the WEB-INF folder, potentially leading to data exposure and security breaches.

Technical Details of CVE-2020-13953

Apache Tapestry CVE-2020-13953 involves the following technical aspects:

Vulnerability Description

Crafting specific URLs in Apache Tapestry from 5.4.0 to 5.5.0 allows attackers to download files within the WEB-INF folder.

Affected Systems and Versions

Product: Apache Tapestry
Versions Affected: 5.4.0 to 5.5.0

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating URLs to access and download files within the WEB-INF directory.

Mitigation and Prevention

To address CVE-2020-13953, consider the following mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Apache Tapestry promptly.
Restrict access to sensitive directories like WEB-INF.
Monitor and log access to critical files and directories.

Long-Term Security Practices

Regularly update and patch Apache Tapestry to prevent vulnerabilities.
Implement secure coding practices to avoid similar issues in the future.

Patching and Updates

Stay informed about security updates from Apache Tapestry.
Keep the software up to date to mitigate known vulnerabilities.