Vulnerability CVE-2011-0656
Published: 2011-04-13   Modified: 2012-02-13

Description:
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."

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Microsoft -> Office 
Microsoft -> Office compatibility pack 
Microsoft -> Office powerpoint viewer 
Microsoft -> Open xml file format converter 
Microsoft -> Powerpoint 
Microsoft -> Powerpoint viewer 
Microsoft -> Powerpoint web app 

 References:
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
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