Vulnerability identifier: #VU3040

Vulnerability risk: Critical

CVSSv3.1: 9.2 [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]

CVE-ID: CVE-2012-4681

CWE-ID: CWE-388

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Oracle Java SE
Universal components / Libraries / Software for developers

Vendor: Oracle

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

The weakness exists due to improper handling of Rhino Javascript errors. A remote attacker can create a specially crafted Web site, trick the victim into visiting it and bypass sandbox restrictions to download 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.

Mitigation
Update the latest version from vendor's website:
http://www.oracle.com/technetwork/java/javase/downloads/index.html

Vulnerable software versions

Oracle Java SE: 6u10 - 6u34, 7u2 - 7u6

---

External links
http://www.oracle.com/technetwork/topics/security/alert-cve-2012-4681-1835715.html

---

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?

Yes. This vulnerability is being exploited in the wild.