Remote code execution in Adobe Flash Player

Published: 2016-05-10 | Updated: 2017-02-27

Severity	Critical
Patch available	YES
Number of vulnerabilities	1
CVE ID	CVE-2016-4117
CWE ID	CWE-843
Exploitation vector	Network
Public exploit	This vulnerability is being exploited in the wild.
Vulnerable software	Adobe Flash Player Subscribe Adobe AIR Adobe Flash Player for Linux Adobe Flash Player Extended Support Release
Vendor	Adobe

Security Advisory

This security advisory describes one critical risk vulnerability.

1) Type confusion

Severity: Critical

CVSSv3: 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C] [PCI]

CVE-ID: CVE-2016-4117

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Description

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

The weakness exists due to type confusion error when processing .swf files. A remote 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 the vulnerability results in arbitrary code execution.

Note: the vulnerability was being actively exploited.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Adobe Flash Player: 20.0.0.228, 20.0.0.235, 20.0.0.267, 20.0.0.272, 20.0.0.286, 20.0.0.306, 21.0.0.182, 21.0.0.197, 21.0.0.213, 21.0.0.216, 21.0.0.226, 21.0.0.241, 21.0.0.242

Adobe AIR: 21.0.0.176, 21.0.0.198 , 21.0.0.215

Adobe Flash Player for Linux: 11.2.202.238, 11.2.202.261, 11.2.202.262, 11.2.202.270, 11.2.202.273, 11.2.202.327, 11.2.202.332, 11.2.202.335, 11.2.202.336, 11.2.202.341, 11.2.202.350, 11.2.202.356, 11.2.202.418, 11.2.202.424, 11.2.202.425, 11.2.202.429, 11.2.202.438, 11.2.202.438, 11.2.202.440, 11.2.202.440, 11.2.202.442, 11.2.202.451, 11.2.202.457, 11.2.202.466, 11.2.202.468, 11.2.202.481, 11.2.202.491, 11.2.202.535, 11.2.202.540, 11.2.202.554, 11.2.202.559, 11.2.202.569, 11.2.202.577, 11.2.202.616, 11.2.202.621

Adobe Flash Player Extended Support Release: 18.0.0.268, 18.0.0.324, 18.0.0.326, 18.0.0.329, 18.0.0.333, 18.0.0.343, 18.0.0.352

CPE

External links

https://helpx.adobe.com/security/products/flash-player/apsb16-15.html

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, a fully functional exploit for this vulnerability is available.