Zope did not deactivate the file inclusion feature when exposing RestructuredText functionalities to untrusted users. A remote user with the privilege of editing Zope webpages with RestructuredText could exploit this to expose arbitrary files that can be read with the privileges of the Zope server, or execute arbitrary Zope code.
The problem can be corrected by updating your system to the following package versions:
14 December 2005
A security issue affects these releases of Ubuntu and its derivatives:
Zope did not deactivate the file inclusion feature when exposing RestructuredText functionalities to untrusted users. A remote user with the privilege of editing Zope webpages with RestructuredText could exploit this to expose arbitrary files that can be read with the privileges of the Zope server, or execute arbitrary Zope code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.