Re: cfingerd vulnerability

[leitner () MATH FU-BERLIN DE (Felix von Leitner)]

Thus spake Rodrigo Barbosa (rodrigob () MORCEGO LINKWAY COM BR):

> Hello,
>         i don't know if it has been noticed before, but cfingerd installs,
> by default, a search service. You can use it as:
>
> finger search.username@host
>
> Thats ok, but you can use keymasks. And if you do:
>
> finger search.*@host
>
> you can get a list of all the users in the system.
>
> I've tried it if cfinger 1.2.2 (probably it is not the latest version).

May I point to my ffingerd which was written to get rid of this kind of
problem with finger daemons?

  ftp://ftp.fu-berlin.de/pub/unix/security/ffingerd/

Even comes with ./configure for easy installation.

Felix

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