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Re: CVE-2011-4924 assignment notification -- Zope2, Zope3: Incomplete upstream fix for CVE-2010-1104 issue
From: Jan Lieskovsky <jlieskov () redhat com>
Date: Thu, 19 Jan 2012 13:51:02 +0100

On 01/19/2012 01:42 PM, Yves-Alexis Perez wrote:
On jeu., 2012-01-19 at 13:12 +0100, Jan Lieskovsky wrote:
A cross site scripting (XSS) flaw was found in the way Zope2 and Zope3
performed error messages sanitization. If a remote attacker could trick a user,
who was logged into Zope2, into visiting a specially-crafted URL, it would lead
to arbitrary web script execution in the context of user's Zope2 session. If a
remote attacker could trick a user, who was logged into Zope3, into examining
error entries for particular Zope3 instance, it would lead to arbitrary web
script execution in the context of user's Zope3 session.

Does this mean CVE-2010-1104 applies to Zope3 too, or the fix for this
CVE created CVE-2011-4924?

The former. The CVE-2010-1104 issue was applicable to Zope3 too (just wasn't
described in the description). The reason probably being the CVE-2010-1104
to had been reported against Zope2 version only (according to particular
LaunchPad bug).

Zope2 patch for CVE-2010-1104 was incomplete (still allowing XSS). Not sure,
if there was some Zope3 patch for CVE-2010-1104 applied.

Jan-Wijbrand Kolman could you clarify and help us to understand original
CVE-2010-1104 situation in Zope3?

Thank you && Regards, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Response Team


Regards,


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