Digital Creations Zope 2.3.2 and earlier allows a local attacker to gain additional privileges via the changing of ZClass permission mappings for objects and methods in the ZClass.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6958
http://www.zope.org/Products/Zope/Hotfix_2001-05-01/security_alert
http://www.redhat.com/support/errata/RHSA-2001-065.html
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-049.php3
http://www.debian.org/security/2001/dsa-055
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000407