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Date: Tue, 22 Feb 2011 15:51:08 -0500 (EST)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: Shawn M Moore <sartak@...tpractical.com>,
Thomas Sibley <trs@...tpractical.com>,
Ralf Corsépius <rc040203@...enet.de>,
"Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE Request -- rt3 -- two issues: 1) Improper
management of form data resubmittion upon user log out 2) SQL queries
information leak by user account transition
----- Original Message -----
>
> 2) * Redirect users to their desired pages after login.
> This prevents possible back button attacks after a user logs out.
Use CVE-2011-1007 for this one.
>
> Further issue details:
> A security flaw was found in the way the RT3 ticketing
> system handled resubmitting of form data after the user
> has logged out of the browser (but not closed it).
> A local attacker could use this flaw to access the user
> account of the victim (login without providing a password
> or obtain user credentials).
>
> References:
> [a] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614575
> [b]
> http://lists.bestpractical.com/pipermail/rt-announce/2011-February/000186.html
>
> Upstream bug report:
> [c] http://issues.bestpractical.com/Ticket/Display.html?id=15804
>
> Upstream changeset:
> [d]
> https://github.com/bestpractical/rt/commit/917c211820590950f7eb0521f7f43b31aeed44c4
>
> Thomas, could you please confirm [d] is the proper fix for 2) issue?
> Thank you.
> (* Redirect users to their desired pages after login.)
>
> 3) * Clone Scrip's TicketObj since we change the CurrentUser and it can
> leak information (Custom field values, etc)
Use CVE-2011-1008 for this one.
>
> Further issue details:
> A security flaw was found in the way the RT3 ticketing
> system handled logging of SQL queries during performing
> of user account transition. A remote, authenticated RT3
> user could use this flaw to obtain sensitive information.
>
> References:
> [i] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614576
> [ii]
> http://lists.bestpractical.com/pipermail/rt-announce/2011-February/000186.html
>
> Upstream changeset (needs confirmation from upstream if it's
> real fix for the issue yet):
> [iii]
> https://github.com/bestpractical/rt/commit/56e20b874e8d67ab93aa80c2c00155110a27e764
>
> Shawn, could you please confirm [iii] is the proper fix for 3) issue?
> (* Clone Scrip's TicketObj since we change the CurrentUser and it can
> leak)
>
> If [iii] not being the correct one for 3) issue, could you point us
> to the right one? Thank you.
>
>
Thanks.
--
JB
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