Vulnerability identifier: #VU5491

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-3122

CWE-ID: CWE-843

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe AIR
Client/Desktop applications / Multimedia 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 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 of  the vulnerability results in arbitrary code execution on the vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Adobe AIR: 18.0.0.144 - 18.0.0.180

Adobe Flash Player Extended Support Release: 13.0.0.260 - 13.0.0.302

Adobe Flash Player for Linux: 11.2.202.238 - 11.2.202.481

Adobe Flash Player: 18.0.0 - 18.0.0.203

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External links
http://helpx.adobe.com/security/products/flash-player/apsb15-16.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.