Advisory Details

March 21st, 2017

Adobe Flash AS2 RemoveClip Opcode Use-After-Free Remote Code Execution Vulnerability

ZDI-17-174
ZDI-CAN-4444

CVE ID CVE-2017-3001
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Flash
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 the RemoveClip opcode. 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/apsb17-07.html
DISCLOSURE TIMELINE
  • 2017-02-09 - Vulnerability reported to vendor
  • 2017-03-21 - Coordinated public release of advisory
CREDIT Anonymous
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