Advisory Details

April 9th, 2012

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

ZDI-12-057
ZDI-CAN-1548

CVE ID
CVSS SCORE 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Flash Player
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 12183. For further product information on the TippingPoint IPS: 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.

ADDITIONAL DETAILS


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