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Date: Fri, 25 Nov 2011 13:24:37 -0700
From: Kurt Seifried <>
CC: Jan Lieskovsky <>,
        "Steven M. Christey" <>
Subject: Re: CVE Request -- yaws -- Directory traversal flaw

On 11/25/2011 10:39 AM, Jan Lieskovsky wrote:
> Hello Kurt, Steve, vendors,
>   a directory traversal flaw was found in the way yaws, web server
> for dynamic content written in Erlang, processed certain URLs. A
> remote, authenticated yaws user could use this flaw to obtain content
> of arbitrary local file, available to the yaws server user via
> specially-crafted URL request.
> References:
> [1]
> [2]
> [3]
> Could you allocate a CVE id for this?
> Thank you && Regards, Jan.
> -- 
> Jan iankko Lieskovsky / Red Hat Security Response Team
> P.S.: As of right now, according to [2], there doesn't seem
>       to be an upstream patch for this issue available yet.

Please use CVE-2011-4350 for this issue

>This looks a lot like CVE-2010-4181, just a later version of yaws.
> -Rob

Yes, however this is a different version so new a CVE is warranted, had
these been released at the same time then they would have been merged
according to ADT4.


-Kurt Seifried / Red Hat Security Response Team

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