1) Security bypass

Severity: Critical

CVSSv3: 4.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:F/RL:O/RC:C] [PCI]

CVE-ID: CVE-2015-4902

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

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

Java SE: 6 Update 101, 7 Update 85, 8 Update 60

CPE

• cpe:/a:oracle:java_se:8_update_60:
• cpe:/a:oracle:java_se:7_update_85:
• cpe:/a:oracle:java_se:6_update_101:

External links

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

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.