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                        National Cyber Alert System

                Technical Cyber Security Alert TA06-062A


Apple Mac Products are Affected by Multiple Vulnerabilities

   Original release date: March 3, 2006
   Last revised: --
   Source: US-CERT


Systems Affected

     * Apple Mac OS X version 10.3.9 (Panther) and version 10.4.5 (Tiger)
     * Apple Mac OS X Server version 10.3.9 and version 10.4.5
     * Apple Safari web browser

    Previous versions of Mac OS X may also be affected.Please see Apple 
    Security Update 2006-001 for further information.


Overview

   Apple has released Security Update 2006-001 to correct multiple
   vulnerabilities affecting Mac OS X, Mac OS X Server, Safari web
   browser, 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 2006-001 resolves a number of vulnerabilities
   affecting Mac OS X, OS X Server, Safari web browser, and other
   products. Further details are available in the following Vulnerability
   Notes:

   VU#999708 - Apple Safari automatically executes arbitrary shell
   commands or code

   Apple Safari fails to properly determine file safety, allowing a
   remote unauthenticated attacker to execute arbitrary commands or code.
   (CVE-2006-0848)

   VU#351217 - Apple Safari WebKit component vulnerable to buffer
   overflow

   Apple Safari WebKit component is vulnerable to buffer overflow. This
   vulnerability may allow are remote attacker to execute arbitrary code
   or cause a denial-of-service condition.
   (CVE-2005-4504)

   VU#176732 - Apple Safari vulnerable to buffer overflow

   Apple Safari is vulnerable to a stack-based buffer overflow. This
   vulnerability may allow a remote attacker to execute arbitrary code on
   a vulnerable system.
   (CVE-2006-0387)

   Please note that Apple Security Update 2006-001 addresses additional
   vulnerabilities not described above. As further information becomes
   available, we will publish individual Vulnerability Notes. In
   addition, more information about VU#999708 is available in US-CERT
   Technical Cyber Security Alert TA06-053A.


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 the update as described in Apple Security Update 2006-001. In
   addition, this update is available via Apple Update.


Appendix A. References

     * US-CERT Vulnerability Note VU#999708 -
       <http://www.kb.cert.org/vuls/id/999708>

     * US-CERT Vulnerability Note VU#351217 -
       <http://www.kb.cert.org/vuls/id/351217>

     * US-CERT Vulnerability Note VU#176732 -
       <http://www.kb.cert.org/vuls/id/176732>

     * US-CERT Technical Cyber Security Alert TA06-053A -
       <http://www.us-cert.gov/cas/techalerts/TA06-053A.html>

     * Securing Your Web Browser -
       <http://www.us-cert.gov/reading_room/securing_browser/#Safari>

     * Apple Security Update 2006-001 -
       <http://docs.info.apple.com/article.html?artnum=303382>

     * Mac OS X: Updating your software -
       <http://docs.info.apple.com/article.html?artnum=106704>


 ____________________________________________________________________
 
   The most recent version of this document can be found at:

     <http://www.us-cert.gov/cas/techalerts/TA06-062A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA06-062A Feedback VU#351217" in the
   subject.
 ____________________________________________________________________

   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
 ____________________________________________________________________

   Produced 2006 by US-CERT, a government organization.

   Terms of use:

     <http://www.us-cert.gov/legal.html>
 ____________________________________________________________________


Revision History

   March 3, 2006: Initial release
  

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