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ZDI-12-080 : Adobe Flash Player MP4 Stream Decoding Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Wed, 6 Jun 2012 23:30:11 +0100

Hash: SHA1

ZDI-12-080 : Adobe Flash Player MP4 Stream Decoding Remote Code Execution
June  6, 2012

- -- CVE ID:

- -- CVSS:
7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P

- -- Affected Vendors:


- -- Affected Products:

Adobe Flash Player

- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 12273.
For further product information on the TippingPoint IPS, visit:


- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Adobe Flash Player. 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 parsing of MP4 files. A size value is
read from MP4 files and used for size calculation without proper
validation. The arithmetic performed on the size value can cause integer
overflows, resulting in undersized allocations. This undersized memory
allocation can be subsequently overpopulated with data supplied by the
input file which can be used to gain remote code execution under the
context of the current process. 

- -- Vendor Response:

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


- -- Disclosure Timeline:
2012-01-12 - Vulnerability reported to vendor

2012-06-06 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:

* Alexander Gavrun

- -- 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. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint 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, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:


Follow the ZDI on Twitter:


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