On Wed, Jul 02, 2008 at 03:06:28PM +0200, Vincent Lefevre wrote:
> Package: iceweasel
> Version: 3.0~rc2-2
> Severity: grave
> Justification: possible data loss or security hole
> 
> https://bugzilla.mozilla.org/show_bug.cgi?id=443153
> 
> When I click on a PDF file, Firefox says:
> 
>   You have chosen to open
>     <file>.pdf
>     which is a: Adobe Acrobat Document
>     from: <URL>
>   What should iceweasel do with this file?
>     * Open with [xpdf (default)]
>     o Save File
>     [] Do this automatically...
> 
> and when I click on OK, evince is executed instead of xpdf!
> 
> There may be security/privacy implications since an arbitrary program
> neither chosen by the user nor announced to the user is executed.
> Worse, Firefox takes $PATH into account, so that the program may not
> even be the expected one. For instance, if the user has created an
> evince script (e.g. that does a "rm -rf") in his bin directory, this
> script will be run without the user's consent.
> 
> This bug also occurs in safe mode (-safe-mode option).

Please run with the following environment variable set, and send output
here:

NSPR_LOG_MODULES=HelperAppService:5

Mike



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