Ulf Harnhammar, Secunia Research, discovered a format string flaw in the way evolution displays a memo's categories. It is possible for an attacker to send a specially crafted memo mail which could execute arbitrary code as the user running evoluiton. This memo must be accepted form the email, then later viewed by the victim. The attack requires a fair amount of user interaction to be successful.
This flaw is now public: http://marc.info/?l=bugtraq&m=117449439201881&w=2
Created attachment 151221 [details] Proposed patch
Thanks Josh. Just committed this upstream. Working my way backwards through our distros...
Patch applied to evolution-2.8.0-33.0.1.el5.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2007-0158.html