> > On 12/03/2009 08:01 PM, Pieter de Boer wrote: > > Jamie Landeg Jones wrote: > >> > >> However, I'd still apply the patch in case some other way to exploit > >> the non-checking of the unsetenv return status crops up elsewhere. > >> > >> It can't do any harm. > > > > The problem with that is, on 6.x, unsetenv() returns 'void', so there's > > no return value to check on.
As Pieter pointed out, unsetenv returns 'void', so checking for a return value (like that patch does) doesn't make sense. Sorry for wasting your time - the patch is not necessary (and won't even work) on 6.X systems, as you've discovered. Your system is safe from this attack, and any related ones. Jamie _______________________________________________ freebsd-security@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "freebsd-security-unsubscr...@freebsd.org"