Re: [Full-disclosure] New attack vector for sale, firewall bypass

[ichib0d crane <themadichib0d@xxxxxxxxx>]

Yeah, it's a bit like using screen to avoid 're-downloading' something
you find over a remote shell, using a different shell than bash as
part of an exploit so the history file is unset/obscure from the
get-go, adding specific root permissions to a specific user to clone
root under a 'legit' uid like 1003, ect. Just all situational tricks
simple enough to not bother with a whitepaper.

On Tue, Jun 7, 2011 at 1:25 PM, Dan Rosenberg <dan.j.rosenberg@xxxxxxxxx> wrote:
> On Tue, Jun 7, 2011 at 4:12 PM, Marshall Whittaker
> <marshallwhittaker@xxxxxxxxx> wrote:
>> Dan, did you come up with that on the spot or is there already a whitepaper
>> on it?
>
> I haven't seen any whitepapers on this.  I think it's the sort of
> thing that people just figure out when needed, or pull from their bag
> of tricks.
>
> -Dan
>
>> Anyway now that the cats out of the bag...  See attached. :)  No more bids
>> please.  Dan was correct.
>>
>> On Tue, Jun 7, 2011 at 9:38 AM, Dan Rosenberg <dan.j.rosenberg@xxxxxxxxx>
>> wrote:
>>>
>>> On Tue, Jun 7, 2011 at 6:19 AM, Marshall Whittaker
>>> <marshallwhittaker@xxxxxxxxx> wrote:
>>> > Hello,
>>> > I am willing to sell a new attack vector I have devised.  The proof of
>>> > concept code you will receive has the ability to arbitrarily upload
>>> > files to
>>> > a webserver (tested on Apache), running linux with the well known perl
>>> > read
>>> > pipe vulnerability in many web CGI applications.  This issue can also be
>>> > leveraged through PHP LFI and RFI attacks, and through almost any other
>>> > remote command execution vulnerability.
>>>
>>> If you have a remote command execution vulnerability, couldn't you
>>> just leverage whatever useful binaries are available on the victim
>>> machine (perl, python, echo) to simply copy your exploit/file/etc. to
>>> disk by printing it byte-by-byte, possibly in pieces?  Did I ruin the
>>> surprise?
>>>
>>> -Dan
>>
>>
>
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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/