Adobe Flash Player NetStream addBytes Remote Code Execution

ZDI-12-057 : (Pwn2Own) Adobe Flash Player NetStream addBytes Remote Code
Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-12-057

April  9, 2012

- -- CVE ID:


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

- -- Affected Vendors:

Adobe

- -- 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 12183.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

- -- 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 way Flash Player handles the update
of a NetStream object via the appendBytes method which can lead to a
use-after-free condition when the function returns. This can result in
remote code execution under the context of the current process.

- -- Vendor Response:


Adobe states:
http://www.adobe.com/support/security/bulletins/apsb12-07.html

- -- Disclosure Timeline:
2012-03-12 - Vulnerability reported to vendor

2012-04-09 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:

* VUPEN Vulnerability Research Team http://www.vupen.com

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