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| <title>CVE-2013-4156</title> |
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| <h2><a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2013-4156">CVE-2013-4156</a></h2> |
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| <h3>OpenOffice DOCM Memory Corruption Vulnerability</h3> |
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| <ul> |
| <h4>Severity: Important</h4> |
| <h4>Vendor: The Apache Software Foundation</h4> |
| <h4>Versions Affected:</h4> |
| <ul> |
| <li>Apache OpenOffice 3.4.0 to 3.4.1, on all platforms.</li> |
| <li>Earlier versions may be also affected.</li> |
| </ul> |
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| <h4>Description:</h4> |
| <p>The vulnerability is caused by mishandling of unknown XML elements when parsing OOXML document files. |
| Specially crafted documents can be used for denial-of-service attacks. |
| Further exploits are possible but have not been verified. |
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| <h4>Mitigation</h4> |
| <p>Apache OpenOffice 3.4 users are advised to <a href="http://download.openoffice.org">upgrade to Apache OpenOffice 4.0</a>. |
| Users who are unable to upgrade immediately should be cautious when opening untrusted documents. |
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| <h4>Credits</h4> |
| <p>The Apache OpenOffice security team credits Jeremy Brown of Microsoft Vulnerability Research as the discoverer of this flaw.</p> |
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