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Date: Fri, 28 Oct 2011 09:07:00 -0400 (EDT)
From: Ramon de C Valle <>
To: Hanno Böck <>
Subject: Re: Request for CVE Identifier: bzexe insecure temporary file

> 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)
It seems this issue affects only executables compressed by bzexe. The self-uncompressing executable created by gzexe seems to make appropriate use of the /tmp directory uncompressing the executable file to a previously created subdirectory created with mkdir--all with appropriate permissions.

Ramon de C Valle / Red Hat Security Response Team

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