#VU10306 Deserialization of untrusted data in vSphere Integrated Containers - CVE-2017-4947

Vulnerability identifier: #VU10306

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-4947

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
vSphere Integrated Containers
Client/Desktop applications / Software for system administration

Vendor: VMware, Inc

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

The weakness exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted data with 'content-type' set to 'kryo-octet-stream', trigger a deserialization error in Xenon and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Update to version 1.3.

Vulnerable software versions

vSphere Integrated Containers: 1.0 - 1.2

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External links
https://www.vmware.com/security/advisories/VMSA-2018-0006.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.