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Re: POC for a simple gmail/possible code injection into html wich can be executed in an email, i will make the PoC code and explain how here and now...

From: adam <adam () papsy net>
Date: Sat, 11 Jun 2011 22:34:57 -0500
#1 - No one has replied since I reproduced your "proof of concept."

#2 - Even if they had, you're replying directly to me - not the list.

#3 - None of that is necessary. Type in text, highlight it and then click
the anchor/link icon. From there, you can insert the target URL (and use the
text of your choice). This is possible across most (all?) mail clients, as
well as forums. It's an intentional feature that let's you specify anchor
text.

Assuming you're using a mail client that doesn't allow that (which I'd find
very hard to believe that it has an anchor/link icon and doesn't have that
feature) but even if that were the case: who is really vulnerable here (and
to what? specifying anchor text != code injection).

On Sat, Jun 11, 2011 at 10:29 PM, -= Glowing Doom =- <secn3t () gmail com>wrote:


now, you guys loose.... see why you should NOT flame people...
now, try find the REAL problem, wich, exists NOt in server...
anyhow.. have fun flaming ppl...
you finally work it out, then your all nice...
screw you.
and, screw your domain.



On 12 June 2011 13:28, -= Glowing Doom =- <secn3t () gmail com> wrote:


This is what i tried to explain...

enter text, darken it, and then link , i said this 3 times..yet one person
managed to finally do it, after having tospell it.
no , i am, not a smartarse. and the other method, i should just have left
out.
now, nomore fd for me,.
thanks,.



On 12 June 2011 13:25, adam <adam () papsy net> wrote:


The reason why no one understood your ground-breaking vulnerability
(broken English aside) is because it's a *feature*. Whether you're being
a smartass right now or not is irrelevant, being that my email generated the
exact same thing as yours did (view source on both of them). The difference
is, you're doing some backspace *trick* whereas I'm entering text,
highlighting it and then clicking the link icon.

Congratulations on wasting everyone's time, they were right to have
abandoned this thread from the start.


On Sat, Jun 11, 2011 at 10:20 PM, -= Glowing Doom =- <secn3t () gmail com>wrote:


wow, ONE person finally can do it, after only having top basically SPELL
it for you.. why did you not do it from the start >????
Lame team.

Sorry but, have fun.. I wont be cc'd, I will just filter all of the fd
:)
BYE!




On 12 June 2011 13:16, adam <adam () papsy net> wrote:


You do realize you're still going to be CC'd, don't you?<http://www.google.com/>

And OH MY GOD, my text somehow became a clickable link. Did you guys
see that? Did you see my ground breaking exploit? I demand your respect
right this second!@


On Sat, Jun 11, 2011 at 10:13 PM, -= Glowing Doom =- <secn3t () gmail com

wrote:



done.. bye!



On 12 June 2011 13:12, -= Glowing Doom =- <secn3t () gmail com> wrote:


Yet i now stop... enjoy your pathetic,useless luist.. i will now
unsubscribe :)
thanks.



On 12 June 2011 13:09, -= Glowing Doom =- <secn3t () gmail com> wrote:


Here again....

I will write a sentence now, and, i will just copy, so it is
'darkened' text , then with NO backspace just leave the text darkened, and
goto 'link' , and enter a link.. the text will turn to red.


(this is the easiest way to reproduce it...)<http://www.haxxor-NOT.bs>





On 12 June 2011 13:07, -= Glowing Doom =- <secn3t () gmail com> wrote:


I should have said just 'copy, then hit link... because the other
one, is actually VERY hard to explain..but yes... backspace... has a bug
with emails. Is this so hard for 500000 ppl to understand ?
I am really shocked at the brubbish talk i have copped from this.



On 12 June 2011 13:06, -= Glowing Doom =- <secn3t () gmail com>wrote:


Do the research... then call yourself a 'team'...please :s

The PoC, is easy as hell to reproduce. I am shocked a team, cannot
do it..

even the easy one wich is just copy/backspace, and, hit link and
enter a link!
simple ?



On 12 June 2011 12:52, Haxxor Security <h () xxor se> wrote:


As I (painfully tried to) understand it, secn3t can fool his own
email client to create malformed links by pressing backspace...


2011/6/12 adam <adam () papsy net>


At the end of the day, you're going to be treated like a child
as long as you continue to type like one.

The entertaining part for me is how each of your replies
contradicts a previous one. According to you, this *
vulnerability* *has existed for years*. And also according to
you, the reason why the original email was filled with spelling errors is
because it *was rushed out due to you being "awake" at 6AM.* Do
you see the inconsistency between those two statements? Your response to
Christian also indicated that you* **didn't just discover this*
.

IF this is an old vulnerability and IF you've known about it for
an extended period of time - WHY did you have to post it right when you did?
It's old, you've known about it for a while, it's existed for years, yet it
couldn't wait until later in the day? It couldn't wait until you had time to
skim over the email and correct any spelling/grammar mistakes? It absolutely
had to be posted right then and there?

On Sat, Jun 11, 2011 at 9:14 PM, -= Glowing Doom =- <
secn3t () gmail com> wrote:


Thats why i the people who do understand it, can see that it is
there... yes, VERY hard to expalin, id LOVE to see you try.



On 12 June 2011 12:11, adam <adam () papsy net> wrote:


Furthermore, pretending that we [the readers] are somehow at
fault here (for not understanding) isn't going to get you very far. The only
thing consistent in this entire thread is that people *kind
of* want to know what you're talking about, but aren't able
to due to the poor writing style and spelling/grammar errors.

It should be noted that no one is being anal about typos, I
fully understand that people make mistakes. The difference is that it
appears you didn't even so much as proof read the original email.


On Sat, Jun 11, 2011 at 9:04 PM, phocean <0x90 () phocean net>wrote:


Hi n3td3v... oops!... secn3t (that is close),

Sorry but I don't understand anything to this thread.
Each of your emails is such a pain to read, that I stop at
the first
sentence.
We are all busy and don't want to take 20 min to decipher
your writing
with the risk that it is not deserving it.
Please clarify and give consistent technical facts.

Thanks.

Le 12/06/2011 03:33, -= Glowing Doom =- a écrit :

This is NOT coded..  the PoC i am explaining, is possible

with simply

copyying text,then using a sequence of keys, to make the

actual

sentence/s, appear.
This code is not what shows up when it is dissected.
It shows up with many x41 all over the email when it is

done properly .

Regards.



On 12 June 2011 11:29, Christian Sciberras <

uuf6429 () gmail com

<mailto:uuf6429 () gmail com>> wrote:

    For those lazy enough to search:



https://www.owasp.org/index.php/The_CSRSS_Backspace_Bug_still_works_in_windows_2003_sp1



    Excerpt:

    Basicaly just compile this and you will get a 100%

processor usage

    by the compiled exploit and Csrss.exe

    #include <stdio.h>
    int main(void)
    {
    while(1)
    printf("\t\t\b\b\b\b\b\b");
    return 0;
    }


    How this helps in sending spam is beyond me.



    On Sun, Jun 12, 2011 at 3:18 AM, Jeffrey Walton <

noloader () gmail com

    <mailto:noloader () gmail com>> wrote:

        On Sat, Jun 11, 2011 at 9:06 PM, -= Glowing Doom =-
        <secn3t () gmail com <mailto:secn3t () gmail com>>

wrote:


        > It is now, over 1yr old atleast and exists in

riched20.dll.

        > This PoC info is over for me also.
        Microsoft had problems with a backspace in the

past. Search for

        "CSRSS
        Backspace Bug".

        > [SNIP

        Jeff

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--
phocean

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












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