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Re: SunOS 4.1.4 fingerd
From: era () ucar edu (Ed Arnold)
Date: Thu, 16 May 1996 15:00:56 -0600


andy () fred net said:

Just messing around I picked up a couple "logic flaws" with sun 4.1.4
fingerd. This may happen on 4.1.X, but I haven't tested, and I am not
motivated enough to check :>

I know I have seen it written up someplace about the flaw when
finger 0 () XXX com is done. (It shows a finger output on every user, which
as we know, can be a very useful tool to those with bad intentions)

Thus, we just added a user 0 (zero). Problem fixed.

Anyway, I have found that fingering . () XXX com also yeilds the same result.

just fyi, in case you hadn't tried it ... tcpd does a nice job of
stopping this nonsense.



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