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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-11-125/
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Vulnerable Systems:
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 handles an exception within the PersistDirectoryEntry records when loading a presentation. When an entry points to a container containing a Slide with a malformed record, the application will raise an exception during the loading of the record. Afterward the application will use a method off of this malformed object which can lead to code execution under the context of the application.
Patch Availability:
Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/Bulletin/MS11-022.mspx
CVE Information:
CVE-2011-0656
Disclosure Timeline:
2010-09-14 - Vulnerability reported to vendor
2011-04-12 - Coordinated public release of advisory
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