Apple QuickTime PICT Remote Memory Overwrite
by Piotr Bania <bania.piotr@gmail.com>
http://pb.specialised.info
All rights reserved.


CVE-ID:     CVE-2005-2756

Original location:
http://pb.specialised.info/all/adv/quicktime-pict-adv.txt

Severity:     Critical - remote code execution.

Software affected:  QuickTime package 7.0.1 for Mac OS X 10.3
      QuickTime package 7.0.1 for Mac OS X 10.4
      QuickTime package 6.5.2 for Mac OS X 10.3
      QuickTime package 6.5.2 for Mac OS X 10.2
      QuickTime package 7* for Windows

      Older versions may be also vulnerable.

Note:      Following versions are not vulnerable, due to
      the fact I have reported the vulnerabilities
      before their releases:
  
      QuickTime package 7.0.2 for Mac OS X 10.3
      QuickTime package 7.0.2 for Mac OS X 10.4



0.   DISCLAIMER

Author takes no responsibility for any actions with provided
informations or codes. The copyright for any material created by the
author is reserved. Any duplication of codes or texts provided here in
electronic or printed publications is not permitted without the author's
agreement.

I.   BACKGROUND

Apple QuickTime PictureViewer is one of the Apple QuickTime components
used by hundreds of millions of users.

II.  DESCRIPTION

Apple QuickTime PictureViewer is reported prone to remote memory
overwrite vulnerability (exploitable via remotely originated content).

Expansion of compressed PICT data could exceed the size of the
destination buffer, this cause an memory overwrite.

The vulnerability may lead to remote code execution when specially
crafted picture file (PICT file) is being loaded.

III. POC CODE

Due to severity of this bug i will not release any proof of concept
codes for this issue.

IV.  VENDOR RESPONSE

Vendor (Apple) has been noticed and released all necessary patches.
  



best regards,
Piotr Bania

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