9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.733 High
EPSS
Percentile
98.1%
Microsoft PowerPoint contains a vulnerability in the handling of malformed records, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.
Microsoft PowerPoint contains a vulnerability that could be exploited when PowerPoint opens a specially crafted document. The vulnerability is caused by incorrect handling of malformed records. This vulnerability affects both Windows and Mac versions of PowerPoint.
By convincing a user to open a specially crafted PowerPoint document, an attacker could execute arbitrary code with the privileges of the user running PowerPoint. If the user is logged in with administrative privileges, the attacker could take complete control of a vulnerable system. This vulnerability may also cause PowerPoint to crash.
Apply an update
This vulnerability is addressed in Microsoft Security Bulletin MS06-058.
Do not open untrusted PowerPoint documents
Do not open unfamiliar or unexpected PowerPoint or other Office documents, particularly those hosted on web sites or delivered as email attachments. Please see Cyber Security Tip ST04-010.
Disable automatic opening of PowerPoint documents
By default, PowerPoint 97 and PowerPoint 2000 will configure Internet Explorer to automatically open PowerPoint documents. This feature can be disabled by using the Office Document Open Confirmation Tool. Mozilla Firefox users should disable automatic opening of files, as specified in the Securing Your Web Browser document.
Do not rely on file name extension filtering
In most cases, Windows will call PowerPoint to open a document even if the document has an unknown file extension. For example, if presentation.qwer
contains the correct file header information, Windows will open presentation.qwer
with PowerPoint. Filtering for common extensions (e.g., .ppt, .pot, and .pps) will not detect all PowerPoint documents. Additionally, a PowerPoint file with no file extension will also open with the PowerPoint application.
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Updated: October 10, 2006
Affected
We have not received a statement from the vendor.
The vendor has not provided us with any further information regarding this vulnerability.
Please see Microsoft Security Bulletin MS06-058.
If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23231204 Feedback>).
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Thanks to Microsoft for reporting this vulnerability.
This document was written by Will Dormann.
CVE IDs: | CVE-2006-4694 |
---|---|
Severity Metric: | 32.27 Date Public: |