Re: /proc filesystem allows bypassing directory permissions on Linux

[Dan Yefimov <dan@xxxxxxxxxxxxxxxx>]

On 24.10.2009 0:35, Matthew Bergin wrote:
> doesnt look like the original owner is trying to write to it. Shows it
> cant, it had guest write to it via the proc folders bad permissions.
> Looks legitimate
Please tell me, who issued 'chmod 0666 unwritable_file'? Was that an attacker? 
No, that was the owner of 'unwritable_file', nobody else. What the 0666 file 
mode means? It means, that everybody can write to the file, can't he? So why do 
you believe that pretension legitimate?
--

Sincerely Your, Dan.