high
7.5
CWE
770 400
Advisory Published
Updated

CVE-2023-40542: BIG-IP TCP Profile vulnerability

First published: Tue Oct 10 2023(Updated: )

When TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=13.1.0<=13.1.5
F5 Access Policy Manager>=14.1.0<=14.1.5
F5 Access Policy Manager>=15.1.0<15.1.9
F5 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 WAF/ASM>=13.1.0<=13.1.5
F5 BIG-IP Advanced WAF/ASM>=14.1.0<=14.1.5
F5 BIG-IP Advanced WAF/ASM>=15.1.0<15.1.9
F5 BIG-IP Advanced WAF/ASM>=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 Application Security Manager>=13.1.0<=13.1.5
F5 Application Security Manager>=14.1.0<=14.1.5
F5 Application Security Manager>=15.1.0<15.1.9
F5 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>=13.1.0<=13.1.5
F5 BIG-IP>=14.1.0<=14.1.5
F5 BIG-IP>=15.1.0<15.1.9
F5 BIG-IP>=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
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.5
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.5
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.9
Riverbed SteelApp 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
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.5
Riverbed SteelApp Traffic Manager>=14.1.0<=14.1.5
Riverbed SteelApp Traffic Manager>=15.1.0<15.1.9
Riverbed SteelApp 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 WebSafe>=13.1.0<=13.1.5
F5 WebSafe>=14.1.0<=14.1.5
F5 WebSafe>=15.1.0<15.1.9
F5 WebSafe>=16.1.0<16.1.4

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-40542?

    The severity of CVE-2023-40542 has not been explicitly rated, but it causes increased memory resource utilization.

  • How do I fix CVE-2023-40542?

    To fix CVE-2023-40542, it is recommended to disable the TCP Verified Accept feature in your TCP profile.

  • Which versions are affected by CVE-2023-40542?

    CVE-2023-40542 affects various versions of F5 BIG-IP Access Policy Manager, Advanced Firewall Manager, and several other F5 products from 13.1.0 to 16.1.0.

  • Is there a workaround for CVE-2023-40542?

    There is no officially documented workaround for CVE-2023-40542 other than disabling the impacted feature.

  • Are end-of-support versions evaluated for CVE-2023-40542?

    No, software versions that have reached End of Technical Support (EoTS) are not evaluated for CVE-2023-40542.

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