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Date: Mon, 3 Feb 2014 14:59:48 +0100
From: Tomas Hoger <>
Subject: Re: Re: CVE request: temporary file issue in
 Passenger rubygem

On Thu, 30 Jan 2014 09:26:33 -0500 (EST) wrote:

> > If a local attacker can predict this filename, and precreates a
> > symlink with the same filename that points to an arbitrary directory
> > with mode 755, owner root and group root, then the attacker will
> > succeed in making Phusion Passenger write files and create
> > subdirectories inside that target directory.
> > 
> > It is fixed in upstream version 4.0.33.
> > 
> >


> Use CVE-2014-1831 for the vulnerability with the "before 4.0.33"
> affected versions.
> Use CVE-2014-1832 for the vulnerability with the "4.0.33 and earlier"
> affected versions.

Note that while the original CVE request mentions version 4.0.33, that
seems like a typo as upstream NEWS file indicates: Fixed versions:
4.0.37.  Consequently, the above should be "before 4.0.37" and "4.0.37
and earlier" (or "before 4.0.38").

Tomas Hoger / Red Hat Security Response Team

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