CVE-2011-0656: Input Validation
First published: Wed Apr 13 2011(Updated: )
Microsoft PowerPoint 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; PowerPoint Viewer; PowerPoint Viewer 2007 SP2; and PowerPoint Web App do not properly validate PersistDirectoryEntry records in PowerPoint documents, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a Slide with a malformed record, which triggers an exception and later use of an unspecified method, aka "Persist Directory RCE Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Office | =2004 | |
| Microsoft Office | =2008 | |
| Microsoft Office | =2011 | |
| Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint | =2007-sp2 | |
| Microsoft Office PowerPoint | ||
| Microsoft Open XML File Format Converter | ||
| Microsoft PowerPoint 2010 | =2002-sp3 | |
| Microsoft PowerPoint 2010 | =2003-sp3 | |
| Microsoft PowerPoint 2010 | =2007-sp2 | |
| Microsoft PowerPoint 2010 | =2010 | |
| Microsoft Office PowerPoint Viewer | =2007-sp2 | |
| Microsoft PowerPoint Web App |
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Reference Links
- http://osvdb.org/71770
- http://www.securityfocus.com/archive/1/517482/100/0/threaded
- http://www.securityfocus.com/bid/47251
- http://www.securitytracker.com/id?1025340
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0941
- http://www.zerodayinitiative.com/advisories/ZDI-11-125
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-022
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11761
Frequently Asked Questions
What is the severity of CVE-2011-0656?
CVE-2011-0656 is rated as moderate severity due to potential exploitation leading to arbitrary code execution.
How do I fix CVE-2011-0656?
To fix CVE-2011-0656, ensure that your affected Microsoft software is updated to the latest security patches provided by Microsoft.
What are the affected versions for CVE-2011-0656?
CVE-2011-0656 affects Microsoft PowerPoint versions 2002 SP3, 2003 SP3, 2007 SP2, and 2010, as well as various Office for Mac versions and other related products.
What type of vulnerability is CVE-2011-0656?
CVE-2011-0656 is a vulnerability that can allow attackers to execute arbitrary code on systems running vulnerable versions of Microsoft PowerPoint.
Is there a workaround for CVE-2011-0656?
While the best approach is to apply patches, disabling macros can serve as a temporary workaround to mitigate the risk associated with CVE-2011-0656.
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- agent/source
- agent/softwarecombine
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- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/microsoft
- canonical/microsoft office
- version/microsoft office/2004
- version/microsoft office/2008
- version/microsoft office/2011
- canonical/microsoft office compatibility pack for word, excel, and powerpoint
- version/microsoft office compatibility pack for word, excel, and powerpoint/2007-sp2
- canonical/microsoft office powerpoint
- canonical/microsoft open xml file format converter
- canonical/microsoft powerpoint 2010
- version/microsoft powerpoint 2010/2002-sp3
- version/microsoft powerpoint 2010/2003-sp3
- version/microsoft powerpoint 2010/2007-sp2
- version/microsoft powerpoint 2010/2010
- canonical/microsoft office powerpoint viewer
- version/microsoft office powerpoint viewer/2007-sp2
- canonical/microsoft powerpoint web app