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Date: Tue, 3 Feb 2015 15:23:37 +0100
From: Marcus Meissner <>
Subject: Re: vsftpd problem in deny_hosts

On Tue, Feb 03, 2015 at 12:45:24PM +0300, Solar Designer wrote:
> On Tue, Feb 03, 2015 at 09:28:36AM +0100, Marcus Meissner wrote:
> > IBM reported to us a problem in vsftpd deny_hosts problem.
> > 
> > CVE-2015-1419
> > 
> >
> > 
> > Description;
> >  Set the option "deny_file" in /etc/vsftpd.conf on a top-directory (for example "deny_file=/home/*")
> >  Then log in with ftp and try to cd to "/home/" first, which will fail, then try to cd to "/./home/" which will succeed!
> >  The latter case shouldn't be possible as well!
> What does upstream say about this?  (CC'ing.)

Due to internal communication troubles we had not contacted upstream.

Sorry for that. :(

Ciao, Marcus

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