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Re: Security problem in C news and INN
From: hoodr () hoodr slip netcom com (hoodr () hoodr slip netcom com)
Date: Sun, 27 Feb 1994 19:06:34 +0000

In message <199402261422.AA03742 () tavor openu ac il>, Rafi Sadowsky writes:
Jeroen Scheerder wrote:
now on BSD/386 for example /usr/bin/mail is the ucb one - which is probably
where the hole comes from ?

I just tested it under NetBSD, which I would suppose also has the ucb one,
and the tilda escapes are *not* processed for non-interactive mailings.  I
feel this is also very likely the case with BSD/386 (I can't test that until
next week sometime).

I get the following from BSDI 1.0's man page:

     -I    Forces mail to run in interactive mode even when input isn't a ter-
           minal.  In particular, the `~' special character when sending mail
           is only active in interactive mode.

Also, SunOS has this interesting flag:

     -r address    Pass address  to  network  delivery  software.
                   All tilde (~) commands are disabled.

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