April 14, 2008 MWR InfoSecurity publish IBM Informix Advisory
An advisory has been published today by MWR InfoSecurity relating to a Pre-Authentication Stack Overflow in IBM Informix. The full advisory can be downloaded here.
The vulnerability would enable an attacker to execute arbitrary code on the system with the privileges of the Informix user. By default, this account is a member of the administrators group on a Microsoft Windows system.
The vendor has released updates to resolve this issue which may be obtained from the following links.