A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must visit a malicious page, open a malicious email, or open a malicious file. The specific flaw exists when parsing malformed RTF documents. When processing a combination of RTF tags a heap overflow occurs. Successful exploitation can lead to remote compromise of a system under the credentials of the currently logged in user.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/66309/ZDI-08-023.txt
Source: https://packetstormsecurity.com/files/66309/Zero-Day-Initiative-Advisory-08-023.html