[7664] in bugtraq

home help back first fref pref prev next nref lref last post

Re: ps(1) for freebsd.

daemon@ATHENA.MIT.EDU (JDC)
Thu Aug 13 21:38:02 1998

Mail-Followup-To: BUGTRAQ@netspace.org
Date: 	Thu, 13 Aug 1998 15:48:42 -0700
Reply-To: JDC <yoshi@PARODIUS.COM>
From: JDC <yoshi@PARODIUS.COM>
To: BUGTRAQ@NETSPACE.ORG
In-Reply-To:  <Pine.BSF.3.96.980812145107.21061A-100000@Tyr.office.EFN.org>;
              from Ben on Wed, Aug 12, 1998 at 03:00:21PM -0700

On XX 08/12/1998 03:00:21PM, spy@TYR.OFFICE.EFN.ORG wrote:
> The ps(1) command for FreeBSD can be used to show environment variable for
> user proccesses running as you, or other users.  While not a bug itself, this
> will allow you to view certain things, i.e. is root logged on?, FTP_SERVER,
> FTP_PASSWORD, or if the machine is a dialup box, and ppp is dialing at the
> time you execute ps(1) you will be able to view the password and login for
> their account.  For privacy reasons I made patches that only allow ps(1) to
> show the proccesses for the user running it, making the '-a' flag go away,
> unless your uid or gid is 0.

        Paranoia is not synonymous with security, nor is it synonymous
        with "privacy."

        Hacking ps to fix a security problem in ppp is not the solution:
        fixing ppp is. ps(1)'s -a and -e flags were implemented for a
        reason; to remove them is de-evolutionary.

        tata.

--
| Jeremy Chadwick                                 System Administrator |
| yoshi@parodius.com                                      ICQ #6279222 |
|           "Where is fancy bread? In the heart, or in the head?" - WW |

home help back first fref pref prev next nref lref last post