Zero Day Initiative Advisory 11-124 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office PowerPoint. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within how the application parses a record associated with animation. If a container holds a specific record type, the application will explicitly trust a length used in this record to calculate a pointer for copying floating point numbers to. This can be used to write outside of an allocated buffer and will lead to code execution under the context of the application.
83d55ae2e4a498793c9e18ef21973219314234331897aeea0c098cdf7ee1785fZero Day Initiative Advisory 11-123 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office PowerPoint. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the ppcore.dll module responsible for parsing PowerPoint (ppt) files. When parsing a malformed TimeCommandBehaviorContainer structure the process raises an exception that causes an object in memory to be freed prior to being fully parsed. Due to the lack of a check that this object has been freed, a later function references an invalid pointer element. This can be leveraged by a remote attacker to execute arbitrary code under the context of the user running PowerPoint.
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