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Date: Sat, 12 Sep 2009 11:03:05 +0200
From: Alex Legler <>
Subject: CVE request(?): Thin: Client IP spoofing


we've stumbled upon a changelog entry in Thin [1], a ruby http server:

>  * Fix Remote address spoofing vulnerability in
> Connection#remote_address [Alexey Borzenkov]

Thin uses the X-Forwarded-For header (if it is provided) to determine
the client's IP address. That could be used to facilitate spoofing.

This is the commit:

Not sure if it warrants a CVE, if it does, please assign one.



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