Zero-day vulnerability in Adobe Flash Player

Memory corruption

The vulnerability was used o target RSA. Two phishing emails with Microsoft Excel document with exploit were sent to two different groups of employees. The document with exploit code was named "2011 Recruitment plan.xls".

Known malware:

Kaspersky Lab products detected the variants as тАЬTrojan-ropper.MSExcel.SWFDropтАЭ.

Vulnerability details

Advisory: SB2009031401 - Remote code execution Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2011-0609

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in authplay.dll component. A remote attacker can create a specially Flash (.swf) file embedded in a Microsoft Excel (.xls) file, trick the victim into opening it, trigger memory corruption, and execute arbitrary code on the 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.

Known APT campaigns:

RSA breach

The stolen data was related to the SecurID technology.

The attack is believed to be performed by China based APT threat group.

Public Exploits: