full-disclosure - bash vulnerability?

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Date: Fri Aug 19 14:51:41 2005
From: jlauro at umflint.edu (Lauro, John)
Subject: bash vulnerability?

I know, common knowledge ignored....   but for those wanting a
clue....

It's not an exploit if you are already root and just tell the system
to trash itself.  ;)

Denial of service for youself is also not a 0day.  In some cases it
may be interesting if you can kick a service down for other users too
if you can do it as non root with a method other than a fork or ohter
resource bomb.  

Not sure about the first one. It didn't seem to do anything.
$ exec &>&-
[1] 22829
$ 
[1] + Done                 exec 

The second one operates as I would expect.  If you still see an
exploit out of this, be more specific as to OS, etc...

________________________________

From: full-disclosure-bounces@...ts.grok.org.uk on behalf of nocfed
Sent: Thu 8/18/2005 4:37 PM
To: full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] bash vulnerability?

I have two more 0day's for you to look into.  This may take YEARS to
figure out!

1) exec &>&-

WHOA!  WHAT HAS HAPPEN!?

2) kill -9 -1

WASH, REPEAT!

Nobody has been informed of the aformentioned '0day' and common
knowledge has been ignored.
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