US-CERT Technical Cyber Security Alert TA06-214A -- Apple Mac Products Affected by Multiple Vulnerabilities

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                        National Cyber Alert System

                 Technical Cyber Security Alert TA06-214A

Apple Mac Products Affected by Multiple Vulnerabilities

   Original release date: August 02, 2006
   Last revised: --
   Source: US-CERT

Systems Affected

     * Apple Mac OS X version 10.3.9 and earlier (Panther)
     * Apple Mac OS X version 10.4.7 and earlier (Tiger)
     * Apple Mac OS X Server version 10.3.9 and earlier
     * Apple Mac OS X Server version 10.4.7 and earlier
     * Apple Safari web browser
     * Apple Mail

Overview

   Apple has released Security Update 2006-004 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 bypass of security
   restrictions and denial of service.

I. Description

   Apple Security Update 2006-004 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.

   This security update addresses vulnerabilities in a range of different
   components, including the handling of a number of different image file
   formats, ZIP archive files, and HTML web pages, among others.

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 2006-004. This and other updates are
   available via Apple Update.

Workaround

Disable "Open 'safe' files after downloading"

   For additional protection, disable the Safari web browser option to
   "Open 'safe' files after downloading," as specified in "Securing Your
   Web Browser."

   Note that this workaround will not mitigate all of the vulnerabilities
   described in the Apple Security Update, only those which are
   exacerbated by the default behavior of the Safari web browser.

Appendix A. References

     * Vulnerability Notes for Apple Security Update 2006-004 -
       <http://www.kb.cert.org/vuls/byid?searchview&query=apple-2006-004>
     * Securing Your Web Browser -
       <http://www.us-cert.gov/reading_room/securing_browser/#Safari>
     * Apple Security Update 2006-004 -
       <http://docs.info.apple.com/article.html?artnum=304063>
     * 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/TA06-214A.html>
     _________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@xxxxxxxx> with "TA06-214A Feedback VU#566132" in the
   subject.
     _________________________________________________________________

   Produced 2006 by US-CERT, a government organization.

   Terms of use:

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

     _________________________________________________________________

   Revision History

   August 02, 2006: Initial release


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