Re: BoS: CERT Advisory CA-96.12 - Vulnerability in suidperl (fwd)

[jdc () ISM NET (John-David Childs)]

On Sun, 30 Jun 1996, Kai wrote:

> Brian Tao wrote:
>
> > On Sun, 30 Jun 1996, Dan Polivy wrote:
> > >
> >     On a BSD/OS 2.0 system, running the script produces "Can't swap
> > uid and euid.".  The exploit works on my FreeBSD systems from 2.1R
> > through to 2.2-960501-SNAP.  2.2-960612-SNAP appears to have already
> > fixed the problem.  I imagine the recent 2.1.5 snapshots are not
> > vulnerable either, but I haven't had a chance to verify.
> > --
>
> execution on my system results in a 'Insecure PATH at ./blah line 3.' ,
> no matter what program exec is calling in the exploit script.
> Why is that ?
Try #!/usr/bin/suidperl -U  (you probably don't have -U)

As others have stated, 2.1-STABLE proved vulnerable on my system, but BSDi
2.0/2.01 was not.
--

John-David Childs             www.marsweb.com/www.ism.net
System Administrator          Internet Services Montana (406)721-6277
 & Network Engineer           M@RSWeb - Montana's PREMIER Web Site
"I used up all my sick days....so I'm calling in dead"