CVE-2023-42768: BIG-IP iControl REST vulnerability

Published Oct 10, 2023
·
Updated

When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST, the BIG-IP non-admin user can still access the iControl REST admin resource.

Other sources

When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST. BIG-IP non-admin user can still have access to iControl REST admin resource.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

— MITRE

Affected Software

81 affected componentsFixes available
F5 BIG-IP
17.1.0
F5 BIG-IP>=16.1.0<=16.1.3
16.1.4
F5 BIG-IP>=15.1.0<=15.1.8
15.1.9
F5 BIG-IP>=14.1.0<=14.1.5
F5 BIG-IP>=13.1.0<=13.1.5
F5 BIG-IP Access Policy Manager>=13.1.0<=13.1.5
F5 BIG-IP Access Policy Manager>=14.1.0<=14.1.5
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.9
F5 BIG-IP Access Policy Manager>=16.1.0<16.1.4
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.5
F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.5
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.9
F5 BIG-IP Advanced Firewall Manager>=16.1.0<16.1.4
F5 Big-ip Advanced Web Application Firewall>=13.1.0<=13.1.5
F5 Big-ip Advanced Web Application Firewall>=14.1.0<=14.1.5
F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.9
F5 Big-ip Advanced Web Application Firewall>=16.1.0<16.1.4
F5 BIG-IP Analytics>=13.1.0<=13.1.5
F5 BIG-IP Analytics>=14.1.0<=14.1.5
F5 BIG-IP Analytics>=15.1.0<15.1.9
F5 BIG-IP Analytics>=16.1.0<16.1.4
F5 Big-ip Application Acceleration Manager>=13.1.0<=13.1.5
F5 Big-ip Application Acceleration Manager>=14.1.0<=14.1.5
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.9
F5 Big-ip Application Acceleration Manager>=16.1.0<16.1.4
F5 BIG-IP Application Security Manager>=13.1.0<=13.1.5
F5 BIG-IP Application Security Manager>=14.1.0<=14.1.5
F5 BIG-IP Application Security Manager>=15.1.0<15.1.9
F5 BIG-IP Application Security Manager>=16.1.0<16.1.4
F5 Big-ip Application Visibility And Reporting>=13.1.0<=13.1.5
F5 Big-ip Application Visibility And Reporting>=14.1.0<=14.1.5
F5 Big-ip Application Visibility And Reporting>=15.1.0<15.1.9
F5 Big-ip Application Visibility And Reporting>=16.1.0<16.1.4
F5 Big-ip Carrier-grade Nat>=13.1.0<=13.1.5
F5 Big-ip Carrier-grade Nat>=14.1.0<=14.1.5
F5 Big-ip Carrier-grade Nat>=15.1.0<15.1.9
F5 Big-ip Carrier-grade Nat>=16.1.0<16.1.4
F5 Big-ip Ddos Hybrid Defender>=13.1.0<=13.1.5
F5 Big-ip Ddos Hybrid Defender>=14.1.0<=14.1.5
F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.9
F5 Big-ip Ddos Hybrid Defender>=16.1.0<16.1.4
F5 Big-ip Domain Name System>=13.1.0<=13.1.5
F5 Big-ip Domain Name System>=14.1.0<=14.1.5
F5 Big-ip Domain Name System>=15.1.0<15.1.9
F5 Big-ip Domain Name System>=16.1.0<16.1.4
F5 BIG-IP Edge Gateway>=13.1.0<=13.1.5
F5 BIG-IP Edge Gateway>=14.1.0<=14.1.5
F5 BIG-IP Edge Gateway>=15.1.0<15.1.9
F5 BIG-IP Edge Gateway>=16.1.0<16.1.4
F5 Big-ip Fraud Protection Service>=13.1.0<=13.1.5
F5 Big-ip Fraud Protection Service>=14.1.0<=14.1.5
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.9
F5 Big-ip Fraud Protection Service>=16.1.0<16.1.4
F5 Big-ip Global Traffic Manager>=13.1.0<=13.1.5
F5 Big-ip Global Traffic Manager>=14.1.0<=14.1.5
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.9
F5 Big-ip Global Traffic Manager>=16.1.0<16.1.4
F5 Big-ip Link Controller>=13.1.0<=13.1.5
F5 Big-ip Link Controller>=14.1.0<=14.1.5
F5 Big-ip Link Controller>=15.1.0<15.1.9
F5 Big-ip Link Controller>=16.1.0<16.1.4
F5 Big-ip Local Traffic Manager>=13.1.0<=13.1.5
F5 Big-ip Local Traffic Manager>=14.1.0<=14.1.5
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.9
F5 Big-ip Local Traffic Manager>=16.1.0<16.1.4
F5 Big-ip Policy Enforcement Manager>=13.1.0<=13.1.5
F5 Big-ip Policy Enforcement Manager>=14.1.0<=14.1.5
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.9
F5 Big-ip Policy Enforcement Manager>=16.1.0<16.1.4
F5 BIG-IP SSL Orchestrator>=13.1.0<=13.1.5
F5 BIG-IP SSL Orchestrator>=14.1.0<=14.1.5
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.9
F5 BIG-IP SSL Orchestrator>=16.1.0<16.1.4
F5 Big-ip Webaccelerator>=13.1.0<=13.1.5
F5 Big-ip Webaccelerator>=14.1.0<=14.1.5
F5 Big-ip Webaccelerator>=15.1.0<15.1.9
F5 Big-ip Webaccelerator>=16.1.0<16.1.4
F5 Big-ip Websafe>=13.1.0<=13.1.5
F5 Big-ip Websafe>=14.1.0<=14.1.5
F5 Big-ip Websafe>=15.1.0<15.1.9
F5 Big-ip Websafe>=16.1.0<16.1.4

Event History

Oct 10, 2023
Advisory Published
via F5·10:33 AM
CVE Published
via MITRE·12:34 PM
Data Sourced
via MITRE·12:34 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2023-42768?

The CVE-2023-42768 vulnerability is assessed as high severity due to potential unauthorized access to sensitive administrative functionalities.

2

How do I fix CVE-2023-42768?

To remediate CVE-2023-42768, ensure that user roles are correctly managed and revert any elevated privileges assigned via iControl REST requests.

3

Who is affected by CVE-2023-42768?

CVE-2023-42768 affects non-admin users of F5 BIG-IP versions that include specific releases between 13.1.0 and 17.1.0.

4

What are the impacts of CVE-2023-42768?

The impact of CVE-2023-42768 allows non-admin users to retain access to iControl REST admin resources after their roles have been downgraded.

5

What products are impacted by CVE-2023-42768?

CVE-2023-42768 affects various F5 BIG-IP products, including Local Traffic Manager, Application Security Manager, and Advanced Firewall Manager across specific versions.

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