RE: [PHP] CSRF attack not possible in I.E. 6.01 SP1?
| From: | Saqib dot N dot Ali at seagate dot com | Date: | Mon, 16 Aug 2004 22:14:45 +0000 |
| Subject: | RE: [PHP] CSRF attack not possible in I.E. 6.01 SP1? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-194011@lists.php.net to get a copy of this message | ||
Hello Ed,
To give some details:
I am unable to re-produce a CSRF attack when the victim is using a I.E.
6.01 SP1 (all patches applied). However the attack works in Mozilla and
other older browsers.
I can't give you the exact code for attack (for security reasons), but it
is similar to the following:
If you insert the following HTML code in "any" web page residing at any
domain, it will cause you to be logged out of /. if you previously logged
in the /. system:
<img src="http://slashdot.org/my/logout"
height="1" width="1">
This type of attack makes use of CSRF.
Try to insert the above HTML line a web page of your choice, and then load
the web page. If you are using Mozilla, it will log you off from /.
However in the latest build of I.E. it doesn't work, whereas it should
work.
Thanks.
Saqib Ali
http://validate.sf.net <<< XHTML/DocBook XML Validator
and Transformer
"Ed Lazor" <Ed.Lazor@d20News.com>
No Phone Info Available
08/16/2004 02:26 PM
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Subject
RE: [PHP] CSRF attack not possible in I.E. 6.01 SP1?
> -----Original Message-----
> So now I am completely clueless as to why this particular attacks works
in
> Mozilla but not in IE.
Could you describe the problem again and give full detail? I think we
need
to better model the problem in order to present a more effective solution.
The link below goes to a page I found that describes CSRF a little
differently than what Chris was presenting - to give a different
perspective
on things.
http://www.squarefree.com/securitytips/web-developers.html
-Ed
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