#VU5588 Security bypass in Oracle Java SE - CVE-2015-4902

Vulnerability identifier: #VU5588

Vulnerability risk: Critical

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2015-4902

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Vendor: Oracle

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to unknown error related to the Java SE Deployment component. A remote attacker can bypass the click-to-play protection in Java.

Successful exploitation of the vulnerability results in security bypass on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Oracle Java SE: 6u101, 7u85, 8u60

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External links
https://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
https://blog.trendmicro.com/trendlabs-security-intelligence/new-headaches-how-the-pawn-storm-zero-day...

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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?

Yes. This vulnerability is being exploited in the wild.