-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 National Cyber Alert System Technical Cyber Security Alert TA07-310A Apple QuickTime Updates for Multiple Vulnerabilities Original release date: November 06, 2007 Last revised: -- Source: US-CERT Systems Affected Vulnerabilities in Apple QuickTime affect * 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 7.3 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 that could be hosted on a web page. Note that Apple iTunes installs QuickTime, so any system with iTunes is vulnerable. 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 About the security content of QuickTime 7.3. III. Solution Upgrade QuickTime Upgrade to QuickTime 7.3. This and other updates for Mac OS X are available via Apple Update. Secure your web browser To help mitigate these and other vulnerabilities that can be exploited via a web browser, refer to Securing Your Web Browser. References * About the security content of the QuickTime 7.3 Update - <http://docs.info.apple.com/article.html?artnum=306896> * How to tell if Software Update for Windows is working correctly when no updates are available - <http://docs.info.apple.com/article.html?artnum=304263> * Apple QuickTime Download - <http://www.apple.com/quicktime/download/> * 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/TA07-310A.html> _________________________________________________________________ Feedback can be directed to US-CERT Technical Staff. Please send email to <cert@xxxxxxxx> with "TA07-310A Feedback VU#208011" in the subject. _________________________________________________________________ For instructions on subscribing to or unsubscribing from this mailing list, visit <http://www.us-cert.gov/cas/signup.html>. _________________________________________________________________ Produced 2007 by US-CERT, a government organization. Terms of use: <http://www.us-cert.gov/legal.html> _________________________________________________________________ Revision History November 6, 2007: Initial release -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iQEVAwUBRzD0F/RFkHkM87XOAQLSVwf+LsCvcentaE5ATCISYhYd31ionkGNS9cn LeBC+yCyR330ztfQ9iBphoxxp+fYKpa/RRfnFHqJlv80HYYOiJvnunCdOY5IAbo5 ZyS2vou/ArW5WzJqk9Yq+31hClKQOIoLf/+NcUc7iKkfSBUC8/RsspascX31a1U+ dMF217Q/i9imjMhHr+PXZagRT1naUo8ygeDZ+94Vq+3XUB6qZb6rux8vFdVX3nEY yvg02JJTVpHy14Nk0KXfXwEq2Hc9uNTa/KwKknJMVqzev4eCAn+/wb424JxoKhqG lthnzMr/US4Q0NLKpFStcNyETEiKgM9RuZ4v6OWc+nJKVe+QwrDYhQ== =9WUY -----END PGP SIGNATURE-----