iDefense Security Advisory 05.12.09 - Remote exploitation of a heap corruption vulnerability in Microsoft Corp.'s PowerPoint could allow an attacker to execute arbitrary code with the privileges of the current user. The vulnerability occurs when parsing the Notes container inside of the PowerPoint Document stream. This container is used to hold records related to notes that appear on the slides. By inserting a value into a container, it is possible to trigger a memory corruption vulnerability. iDefense has confirmed the existence of these vulnerabilities in PowerPoint 2000 SP3, 2002 XP SP3, 2003 SP2, and 2003 SP3.
7f7588e5d20993d1557ddc70301247408570fff65a0c66bc08fa4e5e6d678106Zero Day Initiative Advisory 09-020 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office's PowerPoint. User interaction is required to exploit this vulnerability in that the target must open up a malicious file. The vulnerability exists within the parsing of certain structures inside a Notes container. During population of a C++ object when reading the Notes container, Powerpoint incorrectly reads more data than was allocated for overwriting a function pointer for the object which is later used in a call from mso.dll. Successful exploitation can lead to remote code execution under the credentials of the currently logged in user.
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