#VU1391 Use-after-free error in Adobe Reader and Adobe Acrobat - CVE-2009-4324

Vulnerability identifier: #VU1391

Vulnerability risk: Critical

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red

CVE-ID: CVE-2009-4324

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerable software:
Adobe Reader
Adobe Acrobat

Software vendor:
Adobe

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

The weakness exists due to use-after-free error in the Doc.media.newPlayer method in Multimedia.api. A remote attacker can create a specially crafted .pdf file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target 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.

Update Adobe Reader and Adobe Acrobat 8.1.7 or earlier to version 8.2.
Update Adobe Reader and Adobe Acrobat 9.2 or earlier to version 9.3.

http://get.adobe.com/reader
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=112&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Macintosh

• http://www.adobe.com/support/security/advisories/apsa09-07.html
• http://www.adobe.com/support/security/bulletins/apsb10-02.html