Vulnerability identifier: #VU2808

Vulnerability risk: Critical

CVSSv3.1: 8.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2011-4369

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Reader
Client/Desktop applications / Office applications
Adobe Acrobat
Client/Desktop applications / Office applications

Vendor: Adobe

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

The weakness exists due to boundary error in the PRC component. A remote attacker can create a specially crafted 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.

Mitigation
Update Adobe Reader 9.x for Windows, Macintosh and Linux to version 9.4.7
Update Adobe Reader X 10.x for Windows and Macintosh to version 10.1.2.
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Macintosh
Update Adobe Acrobat 9.x for Windows and Macintosh to version 9.4.7.
Update Adobe Acrobat X 10.x for Windows and Macintosh to version 10.1.2.
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=158&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Macintosh

Vulnerable software versions

Adobe Reader: 10.0.0 - 10.1.1, 9.0 - 9.4.7

Adobe Acrobat: 10.0.0 - 10.1.1, 9.0 - 9.4.7

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External links
http://www.adobe.com/support/security/bulletins/apsb11-30.html
http://www.adobe.com/support/security/bulletins/apsb12-01.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.