TippingPoint Zero Day Initiative
 

Apple QuickTime FLI LinePacket Remote Code Execution Vulnerability

ZDI-10-044: April 2nd, 2010

CVE ID

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9628. 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 visit a malicious page or open a malicious file.

The specific flaw exists within QuickTimeAuthoring.qtx during the parsing of DELTA_FLI chunks stored within a malformed .fli file. The applications trusts a user-supplied length for decompression which can be modified to copy more data than necessary leading to a buffer overflow. Successful exploitation can lead to code execution under the context of the current user.

Vendor Response

Apple states:

http://support.apple.com/kb/HT4104

http://support.apple.com/kb/HT4070


Disclosure Timeline

    2009-11-06 - Vulnerability reported to vendor
    2010-04-02 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Moritz Jodeit of n.runs AG
    Anonymous