Adobe Flash AS2 actionExtends Use-After-Free Remote Code Execution Vulnerability
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 actionExtends method. By manipulating the arguments passed to the actionExtends method, an attacker can force a dangling pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute arbitrary 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/apsb15-28.html
Disclosure Timeline
- 2015-09-08 - Vulnerability reported to vendor
- 2015-11-10 - Coordinated public release of advisory
Credit
bilou
