CVE-2011-0656 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via a malformed PowerPoint document requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2011-0656?
CVE-2011-0656 is a critical memory corruption vulnerability in Microsoft Office, published on 13 Apr 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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."
Weakness: CWE-20
Which versions are affected by CVE-2011-0656?
It affects 7 products.
Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Office Powerpoint Viewer, Microsoft Open Xml File Format Converter, Microsoft Powerpoint, Microsoft Powerpoint Viewer and 1 more.
How do I fix CVE-2011-0656?
No fix has been published for CVE-2011-0656 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-0656 being exploited?
There is no known exploitation of CVE-2011-0656 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-hj8m-5x3g-w83f.