/proc directory

Kris Kennaway kris at obsecurity.org
Wed Dec 17 06:09:34 PST 2003


On Wed, Dec 17, 2003 at 12:12:18PM +0000, Matthew Seaman wrote:

> Basically you mount it on your system, which lets a bunch of stuff
> work properly, and you then ignore it for ever more.  Unless you're
> particularly concerned about security, in which case, you don't mount
> it and do without the stuff that needs it to run.  Note that mounting
> the /proc directory is only a risk in the eyes of the most utterly
> paranoid administrators.

You're downplaying the security implications quite remarkably there:
procfs has been the source of numerous local root vulnerabilities over
the years, which should be a concern to anyone with untrusted local
users.

Kris
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