Re: A promise based JSON command shell
David-Sarah Hopwood <[email protected]>
| Newsgroups | gmane.comp.lang.e.general |
|---|---|
| Message-ID | <[email protected]> |
Tyler Close wrote: > On Tue, Apr 28, 2009 at 12:14 PM, Mike Samuel <[email protected]> wrote: >> 2009/4/28 Tyler Close <[email protected]>: >>> So, the scenario is: >>> >>> The browser's window.location is: >>> <https://example.com/foo?secret=asdfasdf> >>> >>> And the attacker can put a link on that page: >>> <a href="#iagree=yes">click me</a> >>> >>> Thus causing a GET request to: >>> <https://example.com/foo?secret=asdfasdf&iagree=yes> >>> >>> Are there additional scenarios you're thinking of, or is that the only one? >> >> Yes, that's the one that occurs to me. [...] > > For this attack to work, all of the following must be true: > 1. There's an authorization secret somewhere in the base URL > 2. The attacker can put an <a> tag on the page and get the user to click it. > 3. The server treats query string arguments as overrides of the > arguments in the JSON request entity. (the lib.Q methods don't provide > a way to put form data in the Request-URI, other than the 'q' > parameter, so the form data must be in the JSON request entity). If the fragment is #q=foo, can that override the 'q' parameter? -- David-Sarah Hopwood ⚥ _______________________________________________ e-lang mailing list [email protected] http://www.eros-os.org/mailman/listinfo/e-lang