Remote code execution in VMware vCenter Server

1) Deserializatoin of untrusted data

EUVDB-ID: #VU6303

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 - Deserialization of Untrusted Data

Exploit availability: No

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

External links

http://www.vmware.com/security/advisories/VMSA-2017-0007.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?

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