Message-ID: <CA+CewVDKx2K-Wci2f7YgH8FfkQZi6PvfB1a9J87uPRz55FTOdg@mail.gmail.com>
Date: Fri, 14 Mar 2014 18:04:14 +0000
From: "Nicholas Lemonias." <lem.nikolas@...glemail.com>
To: antisnatchor <antisnatchor@...il.com>, full-disclosure@...ts.grok.org.uk
Subject: Re: Fwd: Google vulnerabilities with PoC

Too bad the findings were manual.. no tools used. raw http communication.

Took me less than 2 minutes to find, following an initial conv I had with
Google Sec Team.


On Fri, Mar 14, 2014 at 6:02 PM, Nicholas Lemonias. <
lem.nikolas@...glemail.com> wrote:

> You can't even find a cross site scripting on google.
>
> Find a vuln on Google seems like a dream to some script kiddies.
>
>
> On Fri, Mar 14, 2014 at 6:00 PM, Nicholas Lemonias. <
> lem.nikolas@...glemail.com> wrote:
>
>> The full-disclosure mailing list has really changed. It's full of lamers
>> nowdays aiming high.
>>
>>
>>
>>
>>
>> On Fri, Mar 14, 2014 at 5:58 PM, Nicholas Lemonias. <
>> lem.nikolas@...glemail.com> wrote:
>>
>>> Says the script kiddie... Beg for some publicity. My customers are FTSE
>>> 100.
>>>
>>> ---------- Forwarded message ----------
>>> From: Nicholas Lemonias. <lem.nikolas@...glemail.com>
>>>  Date: Fri, Mar 14, 2014 at 5:58 PM
>>> Subject: Re: [Full-disclosure] Fwd: Google vulnerabilities with PoC
>>> To: antisnatchor <antisnatchor@...il.com>
>>>
>>>
>>> Says the script kiddie... Beg for some publicity. My customers are FTSE
>>> 100.
>>>
>>>
>>>
>>>
>>> On Fri, Mar 14, 2014 at 5:55 PM, antisnatchor <antisnatchor@...il.com>wrote:
>>>
>>>> LOL you're hopeless.
>>>> Good luck with your business. Brave customers!
>>>>
>>>> Cheers
>>>> antisnatchor
>>>>
>>>> Nicholas Lemonias. 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."
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> 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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