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Microsoft PowerPoint Invalid Container Object Denial of Service
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Secunia Advisory:
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SA22394
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Release Date:
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2006-10-13
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Last Update:
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2006-11-11
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Popularity:
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21,740 views
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | Microsoft Office 2000
Microsoft Office 2003 Professional Edition
Microsoft Office 2003 Small Business Edition
Microsoft Office 2003 Standard Edition
Microsoft Office 2003 Student and Teacher Edition
Microsoft Office XP
Microsoft PowerPoint 2000
Microsoft PowerPoint 2002
Microsoft Powerpoint 2003
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Binary Analysis:
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BA3 :: Available for 1 Credit 
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| CVE reference: | CVE-2006-5296
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Description:
Nanika has discovered a bug in Microsoft PowerPoint, which can be exploited by malicious people to crash the application.
The bug is caused due to a NULL pointer dereference error when processing a PowerPoint presentation containing a container object with an invalid "position" value that is larger than the container's record length.
Originally, Microsoft stated, contrary to Secunia's internal findings, that successful exploitation could allow execution of arbitrary code. However, Microsoft has now officially retracted this statement and concludes in thread with Secunia that it's only possible to crash the application.
The bug is confirmed in Microsoft PowerPoint 2003. Other versions may also be affected.
Solution:
Do not open untrusted Office documents.
The vendor reports that a fix is available and will be included in the next update for PowerPoint.
Provided and/or discovered by:
Nanika
Changelog:
2006-10-27: Added CVE reference.
2006-11-11: Updated advisory with additional information from Microsoft and based on internal research.
Original Advisory:
Microsoft:
http://blogs.technet.com/msrc/archive...ed-for-ms-office-2003-powerpoint.aspx
http://blogs.technet.com/msrc/archive...ed-for-ms-office-2003-powerpoint.aspx
Reason for Rating:
The "Reason for Rating" section is available for Secunia customers only. Request a trial and get access to the Secunia Customer Area and Extended Secunia advisories.
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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