#VU5421 Type confusion in Adobe products - CVE-2015-8644

Vulnerability identifier: #VU5421

Vulnerability risk: High

CVSSv4.0: 7.3 [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:P/U:Amber]

CVE-ID: CVE-2015-8644

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Adobe Flash Player
Client/Desktop applications / Plugins for browsers, ActiveX components
Adobe Flash Player Extended Support Release
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 weakness exists due to type confusion error. 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 results in arbitrary code execution on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Adobe Flash Player: 11.2.202.228 - 20.0.0.267

Adobe Flash Player Extended Support Release: 18.0.0.268 - 18.0.0.324

Adobe Flash Player for Linux: 11.2.202.554 - 11.2.202.559

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External links
https://helpx.adobe.com/security/products/flash-player/apsb16-01.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.