7.5
Advisory Published

ZDI-21-491: Apache Tapestry ContextAssetRequestHandler Incorrect Authorization Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apache Tapestry. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ContextAssetRequestHandler class. The issue results from the improper filtering of HTTP requests. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.

Affected SoftwareAffected VersionHow to fix
Apache Tapestry

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Frequently Asked Questions

  • What is the severity of ZDI-21-491?

    The severity of ZDI-21-491 is considered high due to the potential for remote information disclosure without authentication.

  • How do I fix ZDI-21-491?

    To fix ZDI-21-491, update your Apache Tapestry installation to the latest version that addresses this vulnerability.

  • What components of Apache Tapestry are affected by ZDI-21-491?

    ZDI-21-491 affects the ContextAssetRequestHandler class within Apache Tapestry installations.

  • Can ZDI-21-491 be exploited remotely?

    Yes, ZDI-21-491 can be exploited remotely by attackers without requiring authentication.

  • What types of information can be disclosed due to ZDI-21-491?

    ZDI-21-491 allows attackers to disclose sensitive information from affected installations of Apache Tapestry.

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