Vulnerability identifier: #VU3
Vulnerability risk: Critical
CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Adobe Flash Player
Client/Desktop applications /
Plugins for browsers, ActiveX components
Adobe Flash Player Extended Support Release
Client/Desktop applications /
Multimedia software
Adobe Flash Player for Linux
Client/Desktop applications /
Multimedia software
Vendor: Adobe
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to boundary error when handling .swf files. A remote attacker can create a specially crafted SWF file, trick the victim into opening 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.
Note: the vulnerability was being actively exploited.
Mitigation
Update your Flash Player to the latest version.
Vulnerable software versions
Adobe Flash Player: 21.0.0.182 - 22.0.0.192
Adobe Flash Player Extended Support Release: 18.0.0.268 - 18.0.0.375
Adobe Flash Player for Linux: 11.2.202.238 - 11.2.202.626
External links
http://helpx.adobe.com/security/products/flash-player/apsa16-03.html
http://helpx.adobe.com/security/products/flash-player/apsb16-18.html
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.