Apple Mac OS X Multiple Remote And Local Vulnerabilities
Apple has released an advisory (APPLE-SA-2004-12-02) along with a security update dealing with these issues.
Apple Computers has released Mac OS X version 10.3.8 dealing with this issue. This upgrade includes the security patches shipped with the referenced security update.
Apple has release security advisory APPLE-SA-2005-08-15 addressing this and several other vulnerabilities. Please see the referenced advisory for further information.