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Possible RCE Solution when performing file upload based on Jakarta Multipart parser (Filter Approach)

Java 100.00%
struts2 jakarta filupload rce filter

struts2_rce_attack_filter's Introduction

struts2_rce_attack_filter

Reference

https://cwiki.apache.org/confluence/display/WW/S2-045

Audience

Struts 2 Developers

Vulnerability and its risks

Possible RCE when performing file upload based on Jakarta Multipart parser Maximum security rating High

Recommendation

Upgrade to Struts 2.3.32 or Struts 2.5.10.1

Affected Struts versions

Struts 2.3.5 - Struts 2.3.31, Struts 2.5 - Struts 2.5.10

Description

Filter to intercept all requests that are coming to the struts2 application and then reject the invalid content Types,its a simple workaround as you prepare to migrate to the latest stable release of struts as recommended by the struts team.

The recommended versions as mentioned in the wiki are shown above.

Installation

Include the filter in your web.xml

part test.MultipartRequestFilter part /*

Contact and assistance

feel free to use the filter and contact for anyissue in installing or configuring the filter. [email protected]

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