Microsoft embedded web font buffer overflow

2006-01-10T00:00:00
ID VU:915930
Type cert
Reporter CERT
Modified 2006-01-10T20:31:00

Description

Overview

A heap-based buffer overflow in the way Microsoft Windows processes embedded web fonts may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Microsoft Windows contains a heap-based buffer overflow in a routine that processes embedded web fonts. The overflow exists due to a lack of validation on compressed embedded web fonts. A remote attacker may be able to trigger the buffer overflow by persuading a user to access a web page or HTML email containing a specially crafted embedded web font.

For more information about affected versions of Microsoft Windows, please refer to MS06-002.


Impact

A remote attacker may be able to execute arbitrary code with the privileges of the attacked user account.


Solution

Apply an update
Microsoft Security Bulletin MS06-002 contains an update to correct this vulnerability.


In addition Microsoft suggests the following workarounds to mitigate this vulnerability:

* Read and send email in plain text format
* Configure Font Download to “Prompt or Disable” in the Internet and Local Intranet Zones.

Please see Microsoft Security Bulletin MS06-002 for details on these workarounds.

Vendor Information

915930

Filter by status: All Affected Not Affected Unknown

Filter by content: __ Additional information available

__ Sort by: Status Alphabetical

Expand all

Javascript is disabled. Click here to view vendors.

Microsoft Corporation __ Affected

Updated: January 10, 2006

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see <http://www.microsoft.com/technet/security/bulletin/ms06-002.mspx>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group | Score | Vector
---|---|---
Base | |
Temporal | |
Environmental | |

References

  • <http://www.microsoft.com/technet/security/bulletin/ms06-002.mspx>
  • <http://www.microsoft.com/typography/web/embedding/>

Acknowledgements

This vulnerability was reported in Microsoft Security Bulletin MS06-002. Microsoft credits eEye Digital Security with providing information regarding this issue.

This document was written by Jeff Gennari.

Other Information

CVE IDs: | CVE-2006-0010
---|---
Severity Metric: | 10.69
Date Public: | 2006-01-10
Date First Published: | 2006-01-10
Date Last Updated: | 2006-01-10 20:31 UTC
Document Revision: | 34