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Date: Mon, 3 Feb 2014 14:59:48 +0100
From: Tomas Hoger <thoger@...hat.com>
To: oss-security@...ts.openwall.com
Cc: cve-assign@...re.org, vdanen@...hat.com, geissert@...ian.org,
support@...sion.nl, jwilk@...ian.org, 736958@...s.debian.org
Subject: Re: Re: CVE request: temporary file issue in
Passenger rubygem
On Thu, 30 Jan 2014 09:26:33 -0500 (EST) cve-assign@...re.org 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.
> >
> > https://github.com/phusion/passenger/commit/34b1087870c2bf85ebfd72c30b78577e10ab9744
...
> 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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