TippingPoint Zero Day Initiative

Apple QuickTime STSD JPEG Atom Heap Corruption Vulnerability

ZDI-09-008: January 21st, 2009


Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6254. For further product information on the TippingPoint IPS:

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 open a malicious file.

The specific flaw exists in the handling of JPEG atoms embedded in STSD atoms within the function JPEG_DComponentDispatch(). When the image width data in this atom is modified, a heap corruption occurs which can be further leveraged to execute arbitrary code under the context of the current user.

Vendor Response

Apple has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2008-06-25 - Vulnerability reported to vendor
    2009-01-21 - Coordinated public release of advisory


This vulnerability was discovered by: