The vulnerability has being used during 1 month before disclosure. The campaign started with spam emails enticing users to open its attachment, typically a Microsoft Word document (or a zip file of a Microsoft Word document), which contained inside the malicious Flash exploit.
Microsoft - Exploit:SWF/CVE-2011-0611.C, NOD32 - JS/Exploit.Pdfka.OXL.Gen, Symantec - Trojan.Pidief, Ikarus - Exploit.JS.ShellCode.
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 Word (.doc) 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.
- Adobe Reader X 10.0.0 < 10.0.1 - Atom Type Confusion Exploit [Exploit-DB]