Advisory Details

August 1st, 2017

(Pwn2Own) Adobe Flash NetStream Use-After-Free Remote Code Execution Vulnerability

ZDI-17-279
ZDI-CAN-4607

CVE ID CVE-2017-3063
CVSS SCORE 6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Flash
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['27534']. 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. 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 handling of NetStream objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process.
ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/flash-player/apsb17-10.html
DISCLOSURE TIMELINE
  • 2017-03-19 - Vulnerability reported to vendor
  • 2017-08-01 - Coordinated public release of advisory
CREDIT willj from Tencent PC Manager
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