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Re: RedHat4.0 security

daemon@ATHENA.MIT.EDU (Tyson D Sawyer)
Thu Nov 21 17:54:58 1996

Date: Thu, 21 Nov 1996 11:59:40 -0500 (EST)
From: Tyson D Sawyer <tyson@rwii.com>
Reply-To: Tyson D Sawyer <tyson@rwii.com>
To: redhat-list@redhat.com
In-Reply-To: <Pine.LNX.3.93.961121105746.30935A-100000@redhat.com>
Resent-From: redhat-list@redhat.com

> -rwsr-xr-x-     root     root      13708 Oct 28 17:29 /usr/bin/rcp
> -rwsr-xr-x-     root     root       9572 Oct 28 17:29 /usr/bin/rlogin
> -rwsr-xr-x-     root     root       6740 Oct 28 17:29 /usr/bin/rsh
> 
> Protocol requires client request to come from a privledge port.

... then ...

> -rwsr-sr-x-     root      tty      51296 Aug 29 16:30 /sbin/dump
> -rwsr-sr-x-     root      tty      55376 Aug 29 16:30 /sbin/restore
> 
> Uses rsh internally for remote dump/restore.

Doesn't the fact that rsh is already suid mean that dump/restore don't
need to be suid to use rsh?  There may be other reasons for
dump/restore to be suid but rsh doesn't seem like one of them.

Ty


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