-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 National Cyber Alert System Technical Cyber Security Alert TA06-256A Apple QuickTime Vulnerabilities Original release date: September 13, 2006 Last revised: -- Source: US-CERT Systems Affected Apple QuickTime on systems running * Apple Mac OS X * Microsoft Windows Overview Apple QuickTime contains multiple vulnerabilities. Exploitation of these vulnerabilities could allow a remote attacker to execute arbitrary code or cause a denial-of-service condition. I. Description Apple QuickTime 7.1.3 resolves multiple vulnerabilities in the way different types of image and media files are handled. An attacker could exploit these vulnerabilities by convincing a user to access a specially crafted image or media file with a vulnerable version of QuickTime. Since QuickTime configures most web browsers to handle QuickTime media files, an attacker could exploit these vulnerabilities using a web page. Note that QuickTime ships with Apple iTunes. For more information, please refer to the Vulnerability Notes. II. Impact These vulnerabilities could allow a remote, unauthenticated attacker to execute arbitrary code or commands and cause a denial-of-service condition. For further information, please see the Vulnerability Notes. III. Solution Upgrade QuickTime Upgrade to QuickTime 7.1.3. This and other updates for Mac OS X are available via Apple Update. Disable QuickTime in your web browser An attacker may be able to exploit this vulnerability by persuading a user to access a specially crafted file with a web browser. Disabling QuickTime in your web browser will defend against this attack vector. For more information, refer to the Securing Your Web Browser document. References * Vulnerability Notes for QuickTime 7.1.3 - <http://www.kb.cert.org/vuls/byid?searchview&query=QuickTime_713> * About the security content of the QuickTime 7.1.3 Update - <http://docs.info.apple.com/article.html?artnum=304357> * Apple QuickTime 7.1.3 - <http://www.apple.com/support/downloads/quicktime713.html> * Standalone Apple QuickTime Player - <http://www.apple.com/quicktime/download/standalone.html> * Mac OS X: Updating your software - <http://docs.info.apple.com/article.html?artnum=106704> * Securing Your Web Browser - <http://www.us-cert.gov/reading_room/securing_browser/> ____________________________________________________________________ The most recent version of this document can be found at: <http://www.us-cert.gov/cas/techalerts/TA06-256A.html> ____________________________________________________________________ Feedback can be directed to US-CERT Technical Staff. Please send email to <cert@xxxxxxxx> with "TA06-256A Feedback VU#540348" in the subject. ____________________________________________________________________ Produced 2006 by US-CERT, a government organization. Terms of use: <http://www.us-cert.gov/legal.html> ____________________________________________________________________ Revision History September 13, 2006: Initial release -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iQEVAwUBRQg23exOF3G+ig+rAQK7LggAt0RUIz3jewgQYrRYp9bMDBkS61Bvh2OO 8Gp2H472UXA0ucElK/1hAXtPXU2Pmf/EjrCqSImO+srV4i0x5QIFJDo41HtbDo9s FzQC/rmJ3YWl15L+uIjG0S1wxWwH5GyzQj4xaZCMdNLYEN7LVe31ETDsXJ3kEMMa m19M4GLOXAFfmjyGgky4Nux0RJU1UE/0w9pZESOXg+7WXFY8skOZ8YfqBvunjqtE pZa3LWoOcDtP/ORoEn7GY83v/uQqkX8uoAxwe9nuGXbyssvj7BQxDPvnwSWrXzUG R59/r1NA4i/EtYNV1ONW2Pntqc5/vv0OGcs1JFM9tazV3aRbgHfCVg== =nQVd -----END PGP SIGNATURE-----