Zero-day vulnerability in Adobe Flash Player

Memory corruption
CVE-2011-0627

There are reports of malware attempting to exploit this vulnerability via a Flash (.swf) file embedded in a Microsoft Word (.doc) or Microsoft Excel (.xls) file delivered as an email attachment targeting the Windows platform.

Vulnerability details

Advisory: SB2011051201 - Multiple vulnerabilities in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2011-0627

CVSSv3 score: 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

CWE-ID: CWE-119 - Memory corruption

Description:

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

The weakness exists due to boundary error in the Flash Player authplay.dll component. A remote attacker can create a specially crafted Flash (.swf) file embedded in a Microsoft Word (.doc) or Microsoft Excel (.xls) file, trick the victim into opening it, trigger memory corruption 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: this vulnerability is being actively exploited.

External links:

http://www.adobe.com/support/security/bulletins/apsb11-12.html

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.