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Fortinet Advisory - Apple QuickTime Player StripOffsets Improper Memory Access



Fortinet Security Advisory: FSA-2006-02

Apple QuickTime Player StripOffsets Improper Memory Access

Advisory Date      : January 12, 2006
Reported Date      : November 28, 2005
Vendor             : Apple computers
Affected Products  : Apple QuickTime Player v7.0.3
Severity           : High
Reference      : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3711
                 http://docs.info.apple.com/article.html?artnum=303101
                 http://www.securityfocus.com/bid/16202/info

Description        :  Fortinet Security Research Team (FSRT) has discovered a
Vulnerability in the Apple QuickTime Player. Apple QuickTime has a
vulnerability in parsing the specially crafted TIFF image files. This is
due to application failure to sanitize the parameter StripOffsets value
while parsing TIFF image files. A remote attacker could construct a web
page with specially crafted tiff file and entice a victim to view it, when
the user opens the TIFF image with Internet Explorer or Apple QuickTime
Player, it'll cause memory access violation, and leading to potential
Arbitrary Command Execution.

Impact             : Execute arbitrary code

Solution           : Apple Computers has released a security update for this
vulnerability, which is available for downloading from Apples's web site
under security update.

Fortinet Protection: Fortinet is protecting network from this
vulnerability with latest IPS update.

Acknowledgment     : Dejun Meng of Fortinet Security Research team found
this vulnerability.