Zero-day vulnerability in Adobe Flash Player

Type confusion

The vulnerability was reported by Adobe as being exploited in the wild. The attackers used Microsoft Word documents with embedded malicious Flash (.swf) content.

Known malware:

Troj/SWFExp-CH (Sophos)
Trojan horse Exploit_c.YZX (AVG)
Exploit.Win32.CVE-2013 (Ikarus)
HEUR:Exploit.SWF.CVE-2013-5331.a (Kaspersky)
Exploit:Win32/CVE-2013-5331 (Microsoft)
SWF/Exploit.CVE-2013-5331.A trojan (Eset)
Trojan.Mdropper (Symantec)

Vulnerability details

Advisory: SB2013121005 - Two remote code execution vulnerabilities in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2013-5331

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-843 - Access of Resource Using Incompatible Type ('Type Confusion')


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

The weakness exists due to type confusion error. A remote attacker can create a specially crafted Web site or . swf file, trick the victim into visiting it 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.

Public Exploits: