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Message-ID: <7ihb3mt6tu.fsf@lanthane.pps.jussieu.fr>
Date: Thu, 06 Oct 2011 18:37:01 +0200
From: Juliusz Chroboczek <jch@....jussieu.fr>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE Request -- Polipo -- Assertion failure by processing certain HTTP POST / PUT requests
> a denial of service flaw was found in the way Polipo, a lightweight
> caching web proxy, processed certain HTTP POST / PUT requests. If
> polipo was configured to allow remote client connections and particular
> host was allowed to connect to polipo server instance, a remote
> attacker could use this flaw to cause denial of service (polipo daemon
> abort due to assertion failure) via specially-crafted HTTP POST / PUT
> request.
Yes, this is a known bug with Polipo 1.0.4 and 1.0.4.1. I believe that
it is fixed in the Git trunk, which is unfortunately not ready to be
released (and might never be unless a maintainer is found).
At any rate, I do not recommend running Polipo as a publicly accessible
proxy. While I have made reasonable efforts to ensure that this is
safe, Polipo was not designed for that.
Regards,
-- Juliusz
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