ZDI-07-067: Apple QuickTime PICT File Poly Opcodes Heap Corruption Vulnerability Nov 05 2007 10:39PM
zdi-disclosures 3com com
ZDI-07-067: Apple QuickTime PICT File Poly Opcodes Heap Corruption



November 5, 2007

-- CVE ID:


-- Affected Vendor:


-- Affected Products:

QuickTime 7.2

-- Vulnerability Details:

This vulnerability allows 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 exist in the parsing of Poly type opcodes (opcodes

0x0070-74). Due to improper handling of a malformed element in the

structure heap corruption occurs. If properly constructed this can lead

to code execution.

-- Vendor Response:

Apple has issued an update to correct this vulnerability. More details

can be found at:


-- Disclosure Timeline:

2007.09.14 - Vulnerability reported to vendor

2007.11.05 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by Ruben Santamarta of reversemode.com.

-- About the Zero Day Initiative (ZDI):

Established by TippingPoint, The Zero Day Initiative (ZDI) represents

a best-of-breed model for rewarding security researchers for responsibly

disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research

through the ZDI can find more information and sign-up at:


The ZDI is unique in how the acquired vulnerability information is used.

3Com does not re-sell the vulnerability details or any exploit code.

Instead, upon notifying the affected product vendor, 3Com provides its

customers with zero day protection through its intrusion prevention

technology. Explicit details regarding the specifics of the

vulnerability are not exposed to any parties until an official vendor

patch is publicly available. Furthermore, with the altruistic aim of

helping to secure a broader user base, 3Com provides this vulnerability

information confidentially to security vendors (including competitors)

who have a vulnerability protection or mitigation product.

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