Re: Symlink vulnerabilities

[xD 0x41 <secn3t () gmail com>]

I will like to see this. as i simply see no way it can be won. and,
why share the details with one side only ?
abit biased.
i dont believe you are winning 60% of the time atall.
i think your also, full of bs.
:)
have a nice day.


On 28 October 2011 01:20,  <bugs () fbi dhs org> wrote:
> Hi,
>
> I've gotten this exploit to work, albeit on a slow 500mhz system with
> 256mb of ram.  I've shared the details with vladz and will make them
> available soon.  It's a hard race to win, but it can be won about 60% of
> the time.
>
> > On Fri, 28 Oct 2011 00:56:35 +1100, xD 0x41 said:
> >
> > > morning but, i trust you, itcannot be exploited, in any way, it will
> > > only cause corruption of tar and compression utils, at most.
> >
> > Umm. Maybe in *that step* it's "at most". But what can you leverage
> > that into?
> >
> > If you can screw with the code execution of the tar command
> > enough to get root to untar a file of your choosing, you then have your
> > entire rootkit installed with no further effort on your part. ;)
> >
> > (For a wonderful read on leveraging, find the tech writeup from a few
> > years
> > ago on how a 1-byte overlay in ntpd got leveraged into a total root pwn.)
> > _______________________________________________
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