Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 15 Jul 2009 02:51:46 +0200
From: Robert Buchholz <rbu@...too.org>
To: oss-security@...ts.openwall.com
Cc: Florian Weimer <fw@...eb.enyo.de>
Subject: Re: Fixing the XML signature HMAC truncation authentication bypass

On Wednesday 15 July 2009, Robert Buchholz wrote:
> 1) Apache
> Bug:
> https://issues.apache.org/bugzilla/show_bug.cgi?id=47526
> Patch:
> http://svn.apache.org/viewvc?view=rev&revision=794013
>
> It seems they disallow HMAC truncation completely.
> * In my personal opinion the best move (since we're dealing with XML,
>   who cares about an additional <16 bytes?)

This was Java only, the C++ variant has this fix:
http://svn.apache.org/viewvc?view=rev&revision=794017

which is 80/half.


Robert

Download attachment "signature.asc " of type "application/pgp-signature" (837 bytes)

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.