This security advisory describes one critical risk vulnerability.
CWE-416 - Use After Free
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.
Adobe Reader: 8.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 9.0, 9.1, 9.1.1, 9.1.2, 9.1.3, 9.2
Adobe Acrobat: 8.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 9.0, 9.1, 9.1.1, 9.1.2, 9.1.3, 9.2CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open an attachment in an e-mail message.
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.