Bugtraq: Re: [SNI-14]: Solaris rpcbind vulnerability

[alan () LXORGUK UKUU ORG UK (Alan Cox)]

> A bind() with sin.sin_port == 0 will return a random port in a range
> > 1024.
> We think this is a big win, though the bugs that are exploitable with
> predictable port ranges are quite difficult to play with (and rare).
Theo, Linux does likewise  - and you also get a performance advantage. However
your explanation misses a problem - you may randomly assign port 6000 - which
is sort of a well known port for X windows