Jesus Cea
jcea at argo.es
Tue Jun 13 08:46:31 EDT 2006
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Colin Bean wrote: > Hi David, > > I wouldn't consider this method safe at all; a user could easily craft > their own pickled data that does something nasty and edit the source > of the form page to post it to your server. I use the pickle method, but the pickled string has a checksum using HMAC and a "secret" key. So, if the pickle is changed, the server can notice it. So my only vulnerable path would be replaying previous pickles, not an issue in my environment. - -- Jesus Cea Avion _/_/ _/_/_/ _/_/_/ jcea at argo.es http://www.argo.es/~jcea/ _/_/ _/_/ _/_/ _/_/ _/_/ jabber / xmpp:jcea at jabber.org _/_/ _/_/ _/_/_/_/_/ _/_/ _/_/ _/_/ _/_/ _/_/ "Things are not so easy" _/_/ _/_/ _/_/ _/_/ _/_/ _/_/ "My name is Dump, Core Dump" _/_/_/ _/_/_/ _/_/ _/_/ "El amor es poner tu felicidad en la felicidad de otro" - Leibniz -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQCVAwUBRI6zp5lgi5GaxT1NAQK8tAP/Vvi5oifgS5s7RaBDVLHMNgsV7YJfFaM9 x2e/NbFtW/amkIhe5g9502Xo5RsRQr1WfNVTcyRllX5cECZUO9w7timfIeXQ8PH6 a7AfT7AvklQnOfXnPXhOC0apLbsVgj84sVLJwBio8j6two3QEeDKs8IxQFmGRqRZ 37AM/dGIWHM= =frBx -----END PGP SIGNATURE-----
|