VMware Avi Load Balancer: CVSS (Max): 7.2

May 9, 2024

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AUSCERT External Security Bulletin Redistribution

ESB-2024.2873
VMSA-2024-0009 – VMware Avi Load Balancer updates address multiple
vulnerabilities
9 May 2024

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AusCERT Security Bulletin Summary
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Product: VMware Avi Load Balancer
Publisher: VMware
Operating System: VMware
Resolution: Patch/Upgrade
CVE Names: CVE-2024-22264 CVE-2024-22266

Original Bulletin:
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/24219

Comment: CVSS (Max): 7.2 CVE-2024-22264 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: VMware
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

– ————————–BEGIN INCLUDED TEXT——————–

1. Impacted Products

o VMware Avi Load Balancer

2. Introduction

Multiple security vulnerabilities in VMware Avi Load Balancer (formerly VMware
NSX Advanced Load Balancer) were privately reported to VMware. Updates are
available to remediate these vulnerabilities in the affected VMware product.

3a. VMware Avi Load Balancer privilege escalation vulnerability
(CVE-2024-22264)

Description:

VMware Avi Load Balancer contains a privilege escalation vulnerability. VMware
has evaluated the severity of this issue to be in the Important severity range
with a maximum CVSSv3 base score of 7.2.

Known Attack Vectors:

A malicious actor with admin privileges on VMware Avi Load Balancer can create,
modify, execute and delete files as a root user on the host system.

Resolution:

To remediate CVE-2024-22264 update to the version listed in the ‘Fixed Version’
column of the ‘Response Matrix’ found below.

Workarounds:
None.

Additional Documentation:
None.

Acknowledgements:

VMware would like to thank Max Rozendaal, Security Specialist at Secura B.V.
and Robin Wolters, Security Specialist at Secura B.V. for reporting this issue
to us.

Notes:
None.

3b. VMware Avi Load Balancer information disclosure vulnerability
(CVE-2024-22266)

Description:

VMware Avi Load Balancer contains an information disclosure vulnerability.
VMware has evaluated the severity of this issue to be in the Moderate severity
range with a maximum CVSSv3 base score of 6.5.

Known Attack Vectors:

A malicious actor with access to the system logs can view cloud connection
credentials in plaintext.

Resolution:

To remediate CVE-2024-22266 update to the version listed in the ‘Fixed Version’
column of the ‘Response Matrix’ found below.

Workarounds:

None.

Additional Documentation:

None.

Notes:

None.

Response Matrix:

+——–+——-+——-+—————+——+———-+——-+———–+————-+
|VMware |Version|Running|CVE |CVSSv3|Severity |Fixed |Workarounds|Additional |
|Product | |On | | | |Version| |Documentation|
+——–+——-+——-+—————+——+———-+——-+———–+————-+
|VMware | | |CVE-2024-22264,|7.2, |Important,| | | |
|Avi Load|30.x.x |Any |CVE-2024-22266 |6.5 |Moderate |30.2.1 |None |None |
|Balancer| | | | | | | | |
+——–+——-+——-+—————+——+———-+——-+———–+————-+
|VMware | | | | | | | | |
|Avi Load|22.1.x |Any |CVE-2024-22264 |7.2 |Important |22.1.6 |None |None |
|Balancer| | | | | | | | |
+——–+——-+——-+—————+——+———-+——-+———–+————-+

4. References:

Fixed Version(s) and Release Notes:

VMware Avi Load Balancer 30.2.1

https://portal.avipulse.vmware.com/software/nsx-alb/663a73bf242391764c7843b6

https://docs.vmware.com/en/VMware-Avi-Load-Balancer/30.2/Release-Notes/
GUID-DDBAB854-D5EA-453F-9827-F1EF13E472ED.html

VMware Avi Load Balancer 22.1.6

https://portal.avipulse.vmware.com/software/nsx-alb/65df800d9489e9042d642396

https://docs.vmware.com/en/VMware-NSX-Advanced-Load-Balancer/22.1/Release_Notes
/GUID-1A3C280D-1B51-44C0-BA98-3B9CD6B6750C.html

Mitre CVE Dictionary Links:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-22264

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-22266

FIRST CVSSv3 Calculator:

CVE-2024-22264: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/
PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2024-22266: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/
PR:L/UI:N/S:U/C:H/I:N/A:N

5. Change Log:

2024-05-07: VMSA-2024-0009
Initial security advisory.

6. Contact:

E-mail: security@vmware.com

PGP key at:
https://kb.vmware.com/kb/1055

VMware Security Advisories
http://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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