This security advisory describes one critical risk vulnerability.
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to boundary error when parsing malicious files. A remote attacker can create a specially crafted Flash (.swf) file embedded in a Microsoft Word (.doc) file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Update Adobe Flash Player for Windows and Macintosh to version 11.3.300.271:
Update Adobe Flash Player for Linux to version 188.8.131.52.
Adobe Flash Player: 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 126.96.36.199, 188.8.131.52, 11.3.300.257, 11.3.300.265, 11.3.300.268CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.