Re: RPC protocol problem?

[unkadath!shamus () pine cse nau edu (James W. Abendschan)]

> I just read a post in comp.security.unix entitiled "widespread security hole
> in exporting of filesystems" which claims there are ways to break into a 
> system that has filesystems exported to itself.
>
> Does anyone know anything about this?  The post said "the trick is to make
> RPC requests via the portmapper, in such a way that they appear to the mount
> daemon to be coming from within the host itself."
>
> The post mentions a program that is "out there" to exploit this hole.  If
> anyone has any knowledge of this, could you please post instructions on how
> to test for this.

Archie for "nfsbug", an application by Leendert Van Doorn.  This will
attempt to exploit assorted holes in NFS without giving the user a root
shell.

James

-- 
James W. Abendschan                                      shamus () unkadath uucp
...and he who made kittens put snakes in the grass       jwa () sunset cse nau edu