Critical

VMSA-2022-0027.1
5.3-9.8
2022-10-25
2022-10-27
CVE-2021-39144, CVE-2022-31678
VMware Cloud Foundation updates address multiple vulnerabilities.
1. Impacted Products
  • VMware Cloud Foundation (Cloud Foundation)
2. Introduction

Multiple vulnerabilities were privately reported to VMware. Updates are available to address this vulnerability in affected VMware products.

3a. VMware Cloud Foundation update addresses a remote code execution vulnerability via XStream (CVE-2021-39144)

Description

VMware Cloud Foundation contains a remote code execution vulnerability via XStream open source library. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

Known Attack Vectors

Due to an unauthenticated endpoint that leverages XStream for input serialization in VMware Cloud Foundation (NSX-V), a malicious actor can get remote code execution in the context of 'root' on the appliance.

Resolution

To remediate CVE-2021-39144 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' below.

Workarounds

None.

Additional Documentation

A supplemental FAQ was created for additional clarification. Please see: https://kb.vmware.com/s/article/89932

Notes

  • While VMware does not mention end-of-life products on VMware Security Advisories, due to the critical severity of NSX-V the product team has made a patch available.
  • VMware has confirmed that exploit code leveraging CVE-2021-39144 against impacted products has been published.

Acknowledgements

VMware would like to thank Sina Kheirkhah and Steven Seeley of Source Incite for reporting these issues to us.

Response Matrix

Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation
VMware Cloud Foundation
4.x
Any
CVE-2021-39144
N/A
N/A
Unaffected
N/A
N/A
VMware Cloud Foundation (NSX-V)
3.11
Any
CVE-2021-39144
critical
None
3b. VMware Cloud Foundation update addresses an XML External Entity (XXE) vulnerability (CVE-2022-31678)

Description

VMware Cloud Foundation contains an XML External Entity (XXE) vulnerability. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 5.3.

Known Attack Vectors

An unauthenticated user may exploit this issue leading to a denial-of-service condition or unintended information disclosure.

Resolution

To remediate CVE-2022-31678 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' below.

Workarounds

None

Additional Documentation

None.

Notes

None.

Acknowledgements

VMware would like to thank Sina Kheirkhah and Steven Seeley of Source Incite for reporting these issues to us.

Response Matrix

Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation
VMware Cloud Foundation
4.x
Any
CVE-2022-31678
N/A
N/A
Unaffected
N/A
N/A
VMware Cloud Foundation (NSX-V)
3.11
Any
CVE-2022-31678
moderate
None
None.
4. References
5. Change Log

2022-10-25 VMSA-2022-0027
Initial security advisory.

2022-10-27 VMSA-2022-0027.1
Updated advisory with information that VMware has confirmed exploit code leveraging CVE-2021-39144 against VCF (NSX-V) has been published.

 

6. Contact

E-mail list for product security notifications and announcements:

https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce 

 

This Security Advisory is posted to the following lists:  

security-announce@lists.vmware.com  

bugtraq@securityfocus.com  

fulldisclosure@seclists.org 

 

E-mail: security@vmware.com

PGP key at:

https://kb.vmware.com/kb/1055 

 

VMware Security Advisories

https://www.vmware.com/security/advisories 

 

VMware Security Response Policy

https://www.vmware.com/support/policies/security_response.html 

 

VMware Lifecycle Support Phases

https://www.vmware.com/support/policies/lifecycle.html 

 

VMware Security & Compliance Blog  

https://blogs.vmware.com/security 

 

Twitter

https://twitter.com/VMwareSRC

 

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