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Date: Wed, 10 Nov 2010 15:25:01 +0100
From: Thomas Biege <>
Subject: Re: CVE request: mono loading shared libs from cwd

missed to add:

Am Mittwoch 10 November 2010 15:18:26 schrieb Thomas Biege:
> Hello folks,
> from our bugzilla.
> "
> explains that the mono
> runtime
> searches the current working directory for DLLs.  This opens a serious
> security
> hole.  Malicious code can be given the same name as a DLL and left in a
> directory the user might visit.  Also, it means that no mono application
>  can safely set the current working directory.
> Microsoft themselves addressed this issue in Windows
> It's a well known "dummies" question for Unix why you must not have "." on
> your
> path
> t- dot-path.html
> Mono is exposing users to these same old hat problems.
> (As a related problem, many mono programs seem to *assume* that they will
>  be run with the CWD set to their installed directory, and break if it
>  isn't.) "
> Filed by Richard Brooksby.

 Thomas Biege <>, SUSE LINUX, Security Support & Auditing
 SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)
  Wer aufhoert besser werden zu wollen, hoert auf gut zu sein.
                            -- Marie von Ebner-Eschenbach

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