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Date: Fri, 25 Jun 2010 12:49:29 -0400 (EDT)
From: Josh Bressers <>
Cc: Lennart Poettering <>, coley <>
Subject: Re: CVE Request: avahi DoS

Please use CVE-2010-2244



----- "Ludwig Nussel" <> wrote:

> Hi,
> avahi crashes if it receives a bad packet (broken checksum)
> immediately followed by a good packet. In that case FIONREAD returns
> zero size for the bad packet. avahi doesn't consider that an error
> and calls recvmsg() which succeeds and returns the good packet which
> has a non-zero length of course. This discrepancy causes an assert()
> to fail and avahi terminates.
> The problem was acknowledged by upstream (Lennart) but no fix
> was commited so far. I've attached my patch proposal.
> cu
> Ludwig
> -- 
>  (o_   Ludwig Nussel
>  //\   
>  V_/_
> SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)

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