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".
Kaspersky Lab products detected the variants as тАЬTrojan-ropper.MSExcel.SWFDropтАЭ.
Vulnerable component: Adobe Flash Player
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/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:
The stolen data was related to the SecurID technology.The attack is believed to be performed by China based APT threat group.
- Adobe Flash Player - AVM Bytecode Verification (Metasploit) [Exploit-DB]