dhmosfunk / cve-2023-25690-poc Goto Github PK
View Code? Open in Web Editor NEWCVE 2023 25690 Proof of concept - mod_proxy vulnerable configuration on Apache HTTP Server versions 2.4.0 - 2.4.55 leads to HTTP Request Smuggling vulnerability.
CVE 2023 25690 Proof of concept - mod_proxy vulnerable configuration on Apache HTTP Server versions 2.4.0 - 2.4.55 leads to HTTP Request Smuggling vulnerability.
Hey @dhmosfunk. I have been trying several thing with the vulnerability, and I am seeing the following points:
GET /categories/1%20HTTP/1.1%0d%0aHost:%20localhost%0d%0aConnection:%20keep-alive%0d%0a%0d%0aGET%20/index.php%20HTTP/1.1%0d%0aHost:%20localhost%0d%0aContent-Length:%20200%0d%0a%0d%0a HTTP/1.1
with the smuggled request with a Content-Length of 200, and I send a follow up request, I am not receiving a 403 on my clients, despite the fact I see on the backend logs, that a request for /index.php was made, and received a 403 response code. This behaviour indicates that the follow up request is not being concatenated as part of the body of the smuggled request (/index.php). Do you believe this depends on specific configuration?Hey, great lab. Thanks for taking the time to make it. In my case, the IP you reference in the proxy configuration (httpd.conf) is not correct, and when I request /categories I receive a 503 Bad Gateway. I made a slight change which worked and I recommend it so it does not depend on the IP. You can change the IP for the name you use for the backend server, in the Dockerfile. Then, the httpd.conf file looks like this:
RewriteRule "^/categories/(.*)" "http://backend-server:8080/categories.php?id=$1" [P]
ProxyPassReverse "/categories/" "http://backend-server:8080/"
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