Bugtraq mailing list archives

Re[2]: base64


From: 3APA3A <3APA3A () SECURITY NNOV RU>
Date: Fri, 26 Sep 2003 22:02:56 +0400

Dear Earl Hood,

Signature  is applied to decoded message. If encoding is broken there is
no  need  to  try to keep signature. Reassembling message is really best
solution.  But  there  are  another ways to bypass message reassembling.
Some of them can be found in

http://www.security.nnov.ru/advisories/content.asp

--Friday, September 26, 2003, 3:46:36 AM, you wrote to bugtraq () securityfocus com:

limits. Recode base64. Recode uuencoded chunks. Regularize
non-standard MIME.

EH> You cannot do this for signed messages, therefore, you still
EH> need to either decode in all possible ways or drop the message
EH> (or the offending entity).

EH> --ewh


-- 
~/ZARAZA
Ибо факты есть факты, и изложены они лишь для того, чтобы их поняли и в них поверили. (Твен)


Current thread: