Message-ID: <53242DB9.7070600@gmail.com>
Date: Sat, 15 Mar 2014 10:38:49 +0000
From: antisnatchor <antisnatchor@...il.com>
To: "Nicholas Lemonias." <lem.nikolas@...glemail.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Fwd: Google vulnerabilities with PoC

Btw, not sure if someone already mentioned it, but you are really
reaching the level
of MustLive. That's actually a big achievement. Congratz.

I'm not sure if you got what lcamtuf is saying (I'm impressed he still
takes time to reply to you),
apparently not. You're still trying to convince us that you're right.

Maybe you can create the next LOIC specifically tailored to DoS Youtube
with this serious bug, ROFL!

Cheers
antisnatchor

Nicholas Lemonias. wrote:
> If you wish to talk seriously about the problem, please send me an email
> privately. And we can talk about what we have found so far, and perhaps
> present some more proof of concepts for this on going research. This is
> between the researcher and Google.
>
> People who do not have the facts have been, trying to attack the arguer, on
> the basis of their personal beliefs. We are not speaking from experience,
> but based on our findings which includes PoC media, images, codes - and
> based on academic literature and recognised practise. Please bear in mind
> that a lot of research is conducted in academia (those old papers you
> say) before finally released to the commercial markets.
>
> Regards,
>
> *Nicholas Lemonias*
> *Information Security Expert*
> *Advanced Information Security Corp.*
>
>
> On Fri, Mar 14, 2014 at 10:49 PM, Mario Vilas <mvilas@...il.com> wrote:
>
>> Try learning how to properly send emails before critizicing anyone, pal. ;)
>>
>>
>> On Fri, Mar 14, 2014 at 6:44 PM, Nicholas Lemonias. <
>> lem.nikolas@...glemail.com> wrote:
>>
>>> People can read the report if they like. Can't you even do basic things
>>> like reading a vulnerability report?
>>>
>>> Can't you see that the advisory is about writing arbitrary files. If I
>>> was your boss I would fire you.
>>> ---------- Forwarded message ----------
>>> From: Nicholas Lemonias. <lem.nikolas@...glemail.com>
>>>  Date: Fri, Mar 14, 2014 at 5:43 PM
>>> Subject: Re: [Full-disclosure] Google vulnerabilities with PoC
>>> To: Mario Vilas <mvilas@...il.com>
>>>
>>>
>>> People can read the report if they like. Can't you even do basic things
>>> like reading a vulnerability report?
>>>
>>> Can't you see that the advisory is about writing arbitrary files. If I
>>> was your boss I would fire you, with a good kick outta the door.
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Fri, Mar 14, 2014 at 3:55 PM, Mario Vilas <mvilas@...il.com> wrote:
>>>
>>>>  On Fri, Mar 14, 2014 at 12:38 PM, Nicholas Lemonias. <
>>>> lem.nikolas@...glemail.com> wrote:
>>>>
>>>>> Jerome of Mcafee has made a very valid point on revisiting  separation
>>>>> of duties in this security instance.
>>>>>
>>>>> Happy to see more professionals with some skills.  Some others have
>>>>> also mentioned the feasibility for Denial of Service attacks. Remote code
>>>>> execution by Social Engineering is also a prominent scenario.
>>>>>
>>>> Actually, people have been pointing out exactly the opposite. But if you
>>>> insist on believing you can DoS an EC2 by uploading files, good luck to you
>>>> then...
>>>>
>>>>
>>>>> If you can't tell that that is a vulnerability (probably coming from a
>>>>> bunch of CEH's), I feel sorry for those consultants.
>>>>>
>>>> You're the only one throwing around certifications here. I can no longer
>>>> tell if you're being serious or this is a massive prank.
>>>>
>>>>
>>>>> Nicholas.
>>>>>
>>>>>
>>>>> On Fri, Mar 14, 2014 at 10:45 AM, Nicholas Lemonias. <
>>>>> lem.nikolas@...glemail.com> wrote:
>>>>>
>>>>>> We are on a different level perhaps. We do certainly disagree on those
>>>>>> points.
>>>>>> I wouldn't hire you as a consultant, if you can't tell if that is a
>>>>>> valid vulnerability..
>>>>>>
>>>>>>
>>>>>> Best Regards,
>>>>>> Nicholas Lemonias.
>>>>>>
>>>>>>  On Fri, Mar 14, 2014 at 10:10 AM, Mario Vilas <mvilas@...il.com>wrote:
>>>>>>
>>>>>>> But do you have all the required EH certifications? Try this one from
>>>>>>> the Institute for
>>>>>>> Certified Application Security Specialists: http://www.asscert.com/
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Mar 14, 2014 at 7:41 AM, Nicholas Lemonias. <
>>>>>>> lem.nikolas@...glemail.com> wrote:
>>>>>>>
>>>>>>>> Thanks Michal,
>>>>>>>>
>>>>>>>> We are just trying to improve Google's security and contribute to
>>>>>>>> the research community after all. If you are still on EFNet give me a shout
>>>>>>>> some time.
>>>>>>>>
>>>>>>>>  We have done so and consulted to hundreds of clients including
>>>>>>>> Microsoft, Nokia, Adobe and some of the world's biggest corporations. We
>>>>>>>> are also strict supporters of the ACM code of conduct.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Nicholas Lemonias.
>>>>>>>> AISec
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Mar 14, 2014 at 6:29 AM, Nicholas Lemonias. <
>>>>>>>> lem.nikolas@...glemail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Jerome,
>>>>>>>>>
>>>>>>>>> Thank you for agreeing on access control, and separation of duties.
>>>>>>>>>
>>>>>>>>> However successful exploitation permits arbitrary write() of any
>>>>>>>>> file of choice.
>>>>>>>>>
>>>>>>>>> I could release an exploit code in C Sharp or Python that permits
>>>>>>>>> multiple file uploads of any file/types, if the Google security team feels
>>>>>>>>> that this would be necessary. This is unpaid work, so we are not so keen on
>>>>>>>>> that job.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Mar 14, 2014 at 6:04 AM, Jerome Athias <
>>>>>>>>> athiasjerome@...il.com> wrote:
>>>>>>>>>
>>>>>>>>>> Hi
>>>>>>>>>>
>>>>>>>>>> I concur that we are mainly discussing a terminology problem.
>>>>>>>>>>
>>>>>>>>>> In the context of a Penetration Test or WAPT, this is a Finding.
>>>>>>>>>> Reporting this finding makes sense in this context.
>>>>>>>>>>
>>>>>>>>>> As a professional, you would have to explain if/how this finding
>>>>>>>>>> is a
>>>>>>>>>> Weakness*, a Violation (/Regulations, Compliance, Policies or
>>>>>>>>>> Requirements[1])
>>>>>>>>>> * I would say Weakness + Exposure = Vulnerability. Vulnerability +
>>>>>>>>>> Exploitability (PoC) = Confirmed Vulnerability that needs Business
>>>>>>>>>> Impact and Risk Analysis
>>>>>>>>>>
>>>>>>>>>> So I would probably have reported this Finding as a Weakness (and
>>>>>>>>>> not
>>>>>>>>>> Vulnerability. See: OWASP, WASC-TC, CWE), explaining that it is not
>>>>>>>>>> Best Practice (your OWASP link and Cheat Sheets), and even if
>>>>>>>>>> mitigative/compensative security controls (Ref Orange Book),
>>>>>>>>>> security
>>>>>>>>>> controls like white listing (or at least black listing. see also
>>>>>>>>>> ESAPI) should be 1) part of the [1]security requirements of a
>>>>>>>>>> proper
>>>>>>>>>> SDLC (Build security in) as per Defense-in-Depth security
>>>>>>>>>> principles
>>>>>>>>>> and 2) used and implemented correctly.
>>>>>>>>>> NB: A simple Threat Model (i.e. list of CAPEC) would be a solid
>>>>>>>>>> support to your report
>>>>>>>>>> This would help to evaluate/measure the risk (e.g. CVSS).
>>>>>>>>>> Helping the decision/actions around this risk
>>>>>>>>>>
>>>>>>>>>> PS: interestingly, in this case, I'm not sure that the Separation
>>>>>>>>>> of
>>>>>>>>>> Duties security principle was applied correctly by Google in term
>>>>>>>>>> of
>>>>>>>>>> Risk Acceptance (which could be another Finding)
>>>>>>>>>>
>>>>>>>>>> So in few words, be careful with the terminology. (don't always say
>>>>>>>>>> vulnerability like the media say hacker, see RFC1392) Use a CWE ID
>>>>>>>>>> (e.g. CWE-434, CWE-183, CWE-184 vs. CWE-616)
>>>>>>>>>>
>>>>>>>>>> My 2 bitcents
>>>>>>>>>> Sorry if it is not edible :)
>>>>>>>>>> Happy Hacking!
>>>>>>>>>>
>>>>>>>>>> /JA
>>>>>>>>>> https://github.com/athiasjerome/XORCISM
>>>>>>>>>>
>>>>>>>>>> 2014-03-14 7:19 GMT+03:00 Michal Zalewski <lcamtuf@...edump.cx>:
>>>>>>>>>>> Nicholas,
>>>>>>>>>>>
>>>>>>>>>>> I remember my early years in the infosec community - and sadly,
>>>>>>>>>> so do
>>>>>>>>>>> some of the more seasoned readers of this list :-) Back then, I
>>>>>>>>>>> thought that the only thing that mattered is the ability to find
>>>>>>>>>> bugs.
>>>>>>>>>>> But after some 18 years in the industry, I now know that there's
>>>>>>>>>> an
>>>>>>>>>>> even more important and elusive skill.
>>>>>>>>>>>
>>>>>>>>>>> That skill boils down to having a robust mental model of what
>>>>>>>>>>> constitutes a security flaw - and being able to explain your
>>>>>>>>>> thinking
>>>>>>>>>>> to others in a precise and internally consistent manner that
>>>>>>>>>> convinces
>>>>>>>>>>> others to act. We need this because the security of a system
>>>>>>>>>> can't be
>>>>>>>>>>> usefully described using abstract terms: even the academic
>>>>>>>>>> definitions
>>>>>>>>>>> ultimately boil down to saying "the system is secure if it
>>>>>>>>>> doesn't do
>>>>>>>>>>> the things we *really* don't want it to do".
>>>>>>>>>>>
>>>>>>>>>>> In this spirit, the term "vulnerability" is generally reserved
>>>>>>>>>> for
>>>>>>>>>>> behaviors that meet all of the following criteria:
>>>>>>>>>>>
>>>>>>>>>>> 1) The behavior must have negative consequences for at least one
>>>>>>>>>> of
>>>>>>>>>>> the legitimate stakeholders (users, service owners, etc),
>>>>>>>>>>>
>>>>>>>>>>> 2) The consequences must be widely seen as unexpected and
>>>>>>>>>> unacceptable,
>>>>>>>>>>> 3) There must be a realistic chance of such a negative outcome,
>>>>>>>>>>>
>>>>>>>>>>> 4) The behavior must introduce substantial new risks that go
>>>>>>>>>> beyond
>>>>>>>>>>> the previously accepted trade-offs.
>>>>>>>>>>>
>>>>>>>>>>> If we don't have that, we usually don't have a case, no matter
>>>>>>>>>> how
>>>>>>>>>>> clever the bug is.
>>>>>>>>>>>
>>>>>>>>>>> Cheers (and happy hunting!),
>>>>>>>>>>> /mz
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Full-Disclosure - We believe in it.
>>>>>>>>>>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>>>>>>>>>>> Hosted and sponsored by Secunia - http://secunia.com/
>>>>>>>> _______________________________________________
>>>>>>>> Full-Disclosure - We believe in it.
>>>>>>>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>>>>>>>> Hosted and sponsored by Secunia - http://secunia.com/
>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> "There's a reason we separate military and the police: one fights
>>>>>>> the enemy of the state, the other serves and protects the people. When
>>>>>>> the military becomes both, then the enemies of the state tend to become the
>>>>>>> people."
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Full-Disclosure - We believe in it.
>>>>>>> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
>>>>>>> Hosted and sponsored by Secunia - http://secunia.com/
>>>>>>>
>>>> --
>>>> "There's a reason we separate military and the police: one fights
>>>> the enemy of the state, the other serves and protects the people. When
>>>> the military becomes both, then the enemies of the state tend to become the
>>>> people."
>>>>
>>>
>> --
>> "There's a reason we separate military and the police: one fights
>> the enemy of the state, the other serves and protects the people. When
>> the military becomes both, then the enemies of the state tend to become the
>> people."
>>
>
> _______________________________________________
> Full-Disclosure - We believe in it.
> Charter: http://lists.grok.org.uk/full-disclosure-charter.html
> Hosted and sponsored by Secunia - http://secunia.com/

-- 
Cheers
Michele


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