bugtraq - ZDI-11-250: Apple QuickTime STTS atom Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B5766B942ED@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 9 Aug 2011 22:09:16 +0100
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
  "'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-250: Apple QuickTime STTS atom Remote Code Execution
 Vulnerability

ZDI-11-250: Apple QuickTime STTS atom Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-250

August 9, 2011

-- CVE ID:
CVE-2011-0252 

-- CVSS:
9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)

-- Affected Vendors:
Apple

-- Affected Products:
Apple Quicktime

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Apple Quicktime. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaw exists within the way Quicktime handles invalid Sample
Duration values in the Time-To-Sample atoms. This value is used in the
calculation of a loop counter. If this counter is too big it will result
in a heap overflow that can cause remote code execution under the
context of the current user.

-- Vendor Response:
Apple has issued an update to correct this vulnerability. More
details can be found at:
http://support.apple.com/kb/HT4826

-- Disclosure Timeline:
2011-04-11 - Vulnerability reported to vendor
2011-08-09 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Matt "j00ru" Jurczyk

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