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Re: Re: CVE Request -- roundup: Multiple XSS flaws plus other security related fixes corrected in upstream 1.4.20 version
From: Ralf Schlatterbeck <rsc () runtux com>
Date: Thu, 15 Nov 2012 11:36:37 +0100

On Wed, Nov 14, 2012 at 10:26:16AM -0700, Kurt Seifried wrote:
[A] Doesn't have security implications if roundup is correnctly 
configured. The bug would create a python backtrace. Unless the
"debug" option in section [web] is set (which is explicitly
discouraged) this will only display "an error has occurred" in the
web-interface. Even if someone sets the debug option in a
production release only the hashed password could be disclosed.
Note that this bug only affects the anydbm backend which should not
be used for a production version either.

How is the password hashed?

We're using PBKDF2 now for some time. The number of rounds can be
configured and currently defaults to 10000. Note that we encode the used
hashing function in the password field in the database. This allows us
to upgrade existing passwords on user login to the new scheme. This also
means existing installations can have a mixture of password hashing
schemes in the DB.

The old default scheme was SHA-1 with no salt, see
http://issues.roundup-tracker.org/issue2550688

This was changed to PBKDF2 in Release 1.4.17 and there was still the bug
[A] remaining in the anydbm backend which was fixed in 1.4.20. This also
shows how many people are using that backend (it's mainly used for demo)

Ralf
-- 
Dr. Ralf Schlatterbeck                  Tel:   +43/2243/26465-16
Open Source Consulting                  www:   http://www.runtux.com
Reichergasse 131, A-3411 Weidling       email: office () runtux com
osAlliance member                       email: rsc () osalliance com


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