Vulnerability identifier: #VU6303

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-2017-5641

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vCenter Server
Server applications / Virtualization software

Vendor: VMware, Inc

Description

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

The vulnerability exists due to the use of BlazeDS to process AMF3 messages within Customer Experience Improvement Program (CEIP) functionality. A remote attacker can execute arbitrary code on the target system when deserializing an untrusted Java object.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install update 6.0U3b or 6.5c.

Vulnerable software versions

vCenter Server: 6.0.0 - 6.5.0b

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External links
http://www.vmware.com/security/advisories/VMSA-2017-0007.html

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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.