Vulnerability identifier: #VU1422

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: CVE-2009-1862

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable 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 boundary error when parsing malformed files. A remote attacker can create a specially .pdf file or .swf file, related to authplay.dll, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system 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 Adobe Flash Player 9.x and earlier to version 9.0.246.0:
http://www.adobe.com/support/flashplayer/downloads.html#fp9
Update Adobe Flash Player 10.x to version 10.0.32.18:
http://www.adobe.com/go/getflashplayer

Vulnerable software versions

Adobe Flash Player: 9.0.124.0 - 10.0.32.18

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External links
http://www.adobe.com/support/security/bulletins/apsb09-10.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?

Yes. This vulnerability is being exploited in the wild.