iDefense Security Advisory 05.12.09 - Remote exploitation of a stack based buffer overflow vulnerability in Microsoft Corp.'s PowerPoint could allow an attacker to execute arbitrary code with the privileges of the current user. In particular, there is code that parses a string in the PowerPoint file. If the size of this data is greater than a certain value, then memory corruption will occur. This memory corruption can lead to the vulnerable code executing an attacker supplied address. iDefense has confirmed the existence of these vulnerabilities in PowerPoint 2000 SP3 and XP SP3.
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