CVE-2011-0656

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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 57.76% Top 5%
Vendor Advisory microsoft.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11761 vdb entry signature
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-022 vendor advisory
http://www.us-cert.gov/cas/techalerts/TA11-102A.html third party advisory us government resource
http://www.securitytracker.com/id?1025340 vdb entry
http://www.zerodayinitiative.com/advisories/ZDI-11-125
http://www.securityfocus.com/bid/47251 vdb entry
http://www.vupen.com/english/advisories/2011/0941 vdb entry vendor advisory
http://osvdb.org/71770 vdb entry
http://www.securityfocus.com/archive/1/517482/100/0/threaded mailing list

Frequently Asked Questions

What is the severity of CVE-2011-0656?
CVE-2011-0656 has been scored as a critical severity vulnerability.
How to fix CVE-2011-0656?
To fix CVE-2011-0656, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0656 being actively exploited in the wild?
It is possible that CVE-2011-0656 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~58% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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