Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!samsung!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.shell
Subject: Re: Beware xargs security holes
Message-ID: <1990Oct23.125038.4186@virtech.uucp>
Date: 23 Oct 90 12:50:38 GMT
References: <1990Oct20.032718.1874@cbnews.att.com>
Reply-To: cpcahil@virtech.UUCP (Conor P. Cahill)
Organization: Virtual Technologies Inc., Sterling VA
Lines: 12

In article <1990Oct20.032718.1874@cbnews.att.com> res@cbnews.att.com (Robert E. Stampfli) writes:
>No user, malicious or not, can remove "every file on the system."
>In fact, I contend it is impossible to remove the last instance of
>an executable that contains the unlink() system call.

This is only true for system V.  BSD allows you to unlink a running executable.


-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170