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Neohapsis > Archives > Bugtraq> 2001-02

From: secureCONECTIVA.COM.BR
Date: Fri Mar 02 2001 - 09:54:23 CST

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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : Zope
SUMMARY : Remote vulnerability
DATE : 2001-03-02 12:52:00
ID : CLA-2001:382
RELEVANT
RELEASES : 4.2, 5.0, 5.1, 6.0

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DESCRIPTION
The Zope authors have released a new hotfix that addresses a
vulnerability with ZClasses. A user with through-the-web scripting
capabilities on a Zope site can view and assign class attributes to
ZClasses, possibly allowing them to make inappropriate changes to
ZClass instances.
This hotfix also fixes problems in the ObjectManager,
PropertyManager, and PropertySheet classes related to mutability of
method return values which could be perceived as a security problem.

SOLUTION
It is recommended that all Zope users upgrade this software.

ADDITIONAL INSTRUCTIONS
Users of Conectiva Linux version 6.0 or higher may use apt to perform
upgrades of RPM packages:
- add the following line to /etc/apt/sources.list if it is not there yet
(you may also use linuxconf to do this):

rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates

(replace 6.0 with the correct version number if you are not running CL6.0)

- run: apt-get update
- after that, execute: apt-get upgrade

Detailed instructions reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en

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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

- -------------------------------------------------------------------------
subscribe: conectiva-updates-subscribepapaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribepapaleguas.conectiva.com.br
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