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Date: Thu, 19 Jan 2012 13:51:02 +0100
From: Jan Lieskovsky <jlieskov@...hat.com>
To: oss-security@...ts.openwall.com
CC: Yves-Alexis Perez <corsac@...ian.org>,
        "Steven M. Christey" <coley@...us.mitre.org>,
        Jan-Wijbrand Kolman <janwijbrand@...il.com>,
        Tres Seaver <tseaver@...ladion.com>,
        Zope Security Team <security-response@...e.org>,
        Radek Steiger <rsteiger@...hat.com>, Jan Pokorny <jpokorny@...hat.com>
Subject: Re: CVE-2011-4924 assignment notification -- Zope2,
 Zope3: Incomplete upstream fix for CVE-2010-1104 issue

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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