Vulnerability identifier: #VU20033

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10750

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Hazelcast
Server applications / Other server solutions

Vendor: Hazelcast

Description

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

The vulnerability exists due to insecure input validation when processing serialized passed via the JoinRequest. A remote attacker can send specially crafted data to the application and execute arbitrary Java code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Hazelcast: 3.0 - 3.0.3, 3.1 - 3.1.8, 3.2 - 3.2.7, 3.3 - 3.3.6, 3.4 - 3.4.8, 3.5 - 3.5.5, 3.6 - 3.6.8, 3.7 - 3.7.8, 3.8 - 3.8.9, 3.9 - 3.9.4, 3.10 - 3.10.6

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External links
http://access.redhat.com/errata/RHSA-2019:2413
http://github.com/hazelcast/hazelcast/issues/8024
http://github.com/hazelcast/hazelcast/pull/12230

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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?

No. We are not aware of malware exploiting this vulnerability.