#VU1287 Use-after-free error in Adobe Flash Player and Adobe Flash Player for Linux - CVE-2016-7892

Vulnerability identifier: #VU1287

Vulnerability risk: Critical

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2016-7892

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components
Adobe Flash Player for Linux
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 use-after-free error when processing .swf files. A remote attacker can create a specially crafted SWF file, trick the victim into opening it, cause memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited in the wild.

Mitigation
Install the latest version 24.0.0.186 from vendor's website for Windows, Macintosh and Linux.

Vulnerable software versions

Adobe Flash Player: 21.0.0.197 - 23.0.0.207

Adobe Flash Player for Linux: 11.2.202.621 - 11.2.202.644

---

External links
https://helpx.adobe.com/security/products/flash-player/apsb16-39.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?

Yes. This vulnerability is being exploited in the wild.