CVE-2009-0556

Description

Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3, and PowerPoint in Microsoft Office 2004 for Mac, allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an an invalid index value that triggers memory corruption, as exploited in the wild in April 2009 by Exploit:Win32/Apptom.gen, aka "Memory Corruption Vulnerability."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 52.30% Top 5%
Vendor Advisory microsoft.com Vendor Advisory technet.com Vendor Advisory technet.com Vendor Advisory technet.com Vendor Advisory secunia.com Vendor Advisory microsoft.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.zerodayinitiative.com/advisories/ZDI-09-019
http://blogs.technet.com/mmpc/archive/2009/04/02/new-0-day-exploits-using-powerpoint-files.aspx vendor advisory
http://www.vupen.com/english/advisories/2009/1290 vdb entry
http://osvdb.org/53182 vdb entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-017 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/49632 vdb entry
http://www.securityfocus.com/bid/34351 vdb entry
http://www.vupen.com/english/advisories/2009/0915 vdb entry vendor advisory
http://blogs.technet.com/msrc/archive/2009/04/02/microsoft-security-advisory-969136.aspx vendor advisory
http://blogs.technet.com/srd/archive/2009/04/02/investigating-the-new-powerpoint-issue.aspx vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6279 vdb entry signature
http://secunia.com/advisories/34572 third party advisory vendor advisory
http://www.securitytracker.com/id?1021967 vdb entry
http://www.us-cert.gov/cas/techalerts/TA09-132A.html third party advisory us government resource
http://www.microsoft.com/technet/security/advisory/969136.mspx patch vendor advisory
http://www.kb.cert.org/vuls/id/627331 third party advisory us government resource
http://www.securityfocus.com/archive/1/503453/100/0/threaded mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6204 vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2009-0556?
CVE-2009-0556 has been scored as a critical severity vulnerability.
How to fix CVE-2009-0556?
To fix CVE-2009-0556, 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-2009-0556 being actively exploited in the wild?
It is possible that CVE-2009-0556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~52% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.