Apple Mac OS X CoreText uninitialized pointer vulnerability

2007-11-14T00:00:00
ID VU:498105
Type cert
Reporter CERT
Modified 2007-11-15T15:31:00

Description

Overview

Apple Mac OS X CoreText contains an uninitialized pointer vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Apple Mac OS X CoreText is a framework for handling text on Mac OS X Tiger (10.4) and later. Mac OS X CoreText fails to properly initialize pointers, which can cause memory corruption. Any application that uses the CoreText framework for handling text may be vulnerable.


Impact

By convincing a user to view specially crafted text, a remote, unauthenticated attacker may be able to execute arbitrary code or cause a denial of service on a vulnerable system.


Solution

Apply an update

This issue is addressed in Mac OS X 10.4.11 and Apple Security Update 2007-008.


Vendor Information

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Apple Computer, Inc. Affected

Notified: October 24, 2006 Updated: November 12, 2007

Status

Affected

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

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

CVSS Metrics

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

References

  • <http://docs.info.apple.com/article.html?artnum=307041>
  • <http://secunia.com/advisories/27643/>

Acknowledgements

This vulnerability was repoted by Will Dormann of the CERT/CC.

This document was written by Will Dormann.

Other Information

CVE IDs: | CVE-2007-4682
---|---
Severity Metric: | 7.76
Date Public: | 2007-10-14
Date First Published: | 2007-11-14
Date Last Updated: | 2007-11-15 15:31 UTC
Document Revision: | 8