Si informa che sono state segnalate dal Cert delle vulnerabilita` dei
sistemi Apple Mac e di Quick Time.
Si raccomanda di effettuare gli opportuni aggiornamenti.
Domenica Quartarella
Servizio Calcolo
National Cyber Alert System
Technical Cyber Security Alert TA06-132B
Apple QuickTime Vulnerabilities
Original release date: May 12, 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 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.
For more information, please refer to the Vulnerability Notes.
II. Impact
The impacts of these vulnerabilities could allow an 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
Upgrade to QuickTime 7.1. 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.
Appendix A. References
* Vulnerability Notes for QuickTime 7.1 –
<www.kb.cert.org/vuls/byid?searchview&query=QuickTime_7.1>
* Securing Your Web Browser –
<www.us-cert.gov/reading_room/securing_browser/>
* About the security content of the QuickTime 7.1 Update –
<docs.info.apple.com/article.html?artnum=303752>
* Apple QuickTime 7.1 –
<www.apple.com/support/downloads/quicktime71.html>
* Standalone Apple QuickTime Player –
<www.apple.com/quicktime/download/standalone.html>
* Mac OS X: Updating your software –
<docs.info.apple.com/article.html?artnum=106704>
____________________________________________________________________
The most recent version of this document can be found at:
<www.us-cert.gov/cas/techalerts/TA06-132B.html>
____________________________________________________________________
National Cyber Alert System
Technical Cyber Security Alert TA06-132A
Apple Mac Products Affected by Multiple Vulnerabilities
Original release date: May 12, 2006
Last revised: —
Source: US-CERT
Systems Affected
* Apple Mac OS X version 10.3.9 (Panther) and version 10.4.6 (Tiger)
* Apple Mac OS X Server version 10.3.9 and version 10.4.6
* Apple Safari web browser
* Apple Mail
Previous versions of Mac OS X may also be affected. Please see Apple
Security Update 2006-003 for further information.
Overview
Apple has released Security Update 2006-003 to correct multiple
vulnerabilities affecting Mac OS X, Mac OS X Server, Safari web
browser, Mail, and other products. The most serious of these
vulnerabilities may allow a remote attacker to execute arbitrary code.
Impacts of other vulnerabilities include bypassing security
restrictions and denial of service.
I. Description
Apple Security Update 2006-003 resolves a number of vulnerabilities
affecting Mac OS X, OS X Server, Safari web browser, Mail, and other
products. Further details are available in the individual
Vulnerability Notes.
II. Impact
The impacts of these vulnerabilities vary. For information about
specific impacts, please see the Vulnerability Notes. Potential
consequences include remote execution of arbitrary code or commands,
bypass of security restrictions, and denial of service.
III. Solution
Install an update
Install Apple Security Update 2006-003. This and other updates are
available via Apple Update.
Disable “Open ‘safe’ files after downloading”
For additional protection, disable the option to “Open ‘safe’ files
after downloading,” as specified in “Securing Your Web Browser.”
Appendix A. References
* Securing Your Web Browser –
<www.us-cert.gov/reading_room/securing_browser/#Safari>
* Apple Security Update 2006-003 –
<docs.info.apple.com/article.html?artnum=303737>
* Mac OS X: Updating your software –
<docs.info.apple.com/article.html?artnum=106704>
____________________________________________________________________
These vulnerabilities were reported in Apple Security Update 2006-003.
Please see the Vulnerability Notes for individual reporter
acknowledgements.
____________________________________________________________________
The most recent version of this document can be found at:
<www.us-cert.gov/cas/techalerts/TA06-132A.html>
____________________________________________________________________