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Date: Sun, 28 Dec 2008 14:55:57 +0100
From: Robert Buchholz <>
Cc: Tomas Hoger <>,
Subject: Re: CVE request - pdfjam

On Friday 19 December 2008, Tomas Hoger wrote:
> Hi!
> Insecure temporary file handling flaw was reported for pdfjam:
> Issue affects all 3 scripts shipped in pdfjam: pdf90, pdfjoin and
> pdfnup
> They create various temporary files in tempfileDir (/var/tmp),
> process id ($$) is used for file name uniqueness.

Martin Väth also discovered an untrusted search path vulnerability in 
the pdfjam scripts: They prepend . to PATH, allowing attackers to 
execute code by preparing executables (e.g. sed) in the directory 
pdfnup was run from or in /var/tmp (e.g. pdflatex, cp, rm).

Martin also prepared a patch, see:

Please assign another CVE for this issue.


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