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Date: Fri, 28 Oct 2011 15:10:26 +0200
From: vladz <vladz@...zero.fr>
To: oss-security@...ts.openwall.com
Cc: rcvalle@...hat.com
Subject: Re: Request for CVE Identifier: bzexe insecure
	temporary file


Hi,

On Fri, Oct 28, 2011 at 02:22:13PM +0200, Hanno Böck wrote:
> Am Fri, 28 Oct 2011 07:48:16 -0400 (EDT) schrieb Ramon de C Valle <rcvalle@...hat.com>:
> > This is a security issue reported by vladz in bzexe. This is a low
> > impact security issue, since bzexe is rarely used and the race
> > condition window is very narrow, but still exploitable.
> 
> Have you checked if this also affects gzexe? It is pretty much the same
> as bzexe, just using gzip instead of bzip2. (afaik, no xzexe exists)

I already checked gzexe and it's not affected because it use "mktemp" to
create its temporary directory.  For the same purposes, bzexe use
"/tmp/command" as directory name.

Best regards,
vladz.

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