TippingPoint Zero Day Initiative
 

(Pwn2Own) Adobe Flash Player NetStream addBytes Remote Code Execution Vulnerability

ZDI-12-057: April 9th, 2012

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 12183. For further product information on the TippingPoint IPS:

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