Vulnerability identifier: #VU3739

Vulnerability risk: High

CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-4176

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Adobe Flash Player Extended Support Release
Client/Desktop applications / Multimedia software
Adobe Flash Player for Linux
Client/Desktop applications / Multimedia software
Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components

Vendor: Adobe

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to stack-based buffer overflow. A remote unauthenticated attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update Adobe Flash Playerto version 22.0.0.209.
Update Adobe Flash Player for Linux to version 11.2.202.632.
Update Adobe Flash Player Extended Support Release to version 18.0.0.366.

Vulnerable software versions

Adobe Flash Player Extended Support Release: 18.0.0.268 - 18.0.0.366

Adobe Flash Player for Linux: 11.2.202.238 - 11.2.202.632

Adobe Flash Player: 22.0.0.192 - 22.0.0.209

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External links
http://helpx.adobe.com/security/products/flash-player/apsb16-25.html

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Q & A

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, proof of concept for this vulnerability is available.