full-disclosure - Re: Symlink vulnerabilities

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Date: Fri, 28 Oct 2011 01:22:43 +1100
From: xD 0x41 <secn3t@...il.com>
To: bugs@....dhs.org
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Symlink vulnerabilities

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@....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.)
>> _______________________________________________
>> Full-Disclosure - We believe in it.
>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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>
>
>

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Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/