high
8.1
CWE
20
Advisory Published
Updated

CVE-2018-5542: Input Validation

First published: Tue Jul 24 2018(Updated: )

F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
Riverbed SteelApp Traffic Manager>=11.2.1<=11.6.3
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.3
Riverbed SteelApp Traffic Manager>=13.0.0<=13.0.1
F5 BIG-IP Application Acceleration Manager>=11.2.1<=11.6.3
F5 BIG-IP Application Acceleration Manager>=12.1.0<=12.1.3
F5 BIG-IP Application Acceleration Manager>=13.0.0<=13.0.1
F5 BIG-IP Advanced Firewall Manager>=11.2.1<=11.6.3
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.3
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.0.1
F5 BIG-IP Analytics>=11.2.1<=11.6.3
F5 BIG-IP Analytics>=12.1.0<=12.1.3
F5 BIG-IP Analytics>=13.0.0<=13.0.1
F5 Access Policy Manager>=11.2.1<=11.6.3
F5 Access Policy Manager>=12.1.0<=12.1.3
F5 Access Policy Manager>=13.0.0<=13.0.1
F5 Application Security Manager>=11.2.1<=11.6.3
F5 Application Security Manager>=12.1.0<=12.1.3
F5 Application Security Manager>=13.0.0<=13.0.1
F5 BIG-IP>=11.2.1<=11.6.3
F5 BIG-IP>=12.1.0<=12.1.3
F5 BIG-IP>=13.0.0<=13.0.1
F5 BIG-IP Edge Gateway>=11.2.1<=11.6.3
F5 BIG-IP Edge Gateway>=12.1.0<=12.1.3
F5 BIG-IP Edge Gateway>=13.0.0<=13.0.1
F5 BIG-IP Fraud Protection Service>=11.2.1<=11.6.3
F5 BIG-IP Fraud Protection Service>=12.1.0<=12.1.3
F5 BIG-IP Fraud Protection Service>=13.0.0<=13.0.1
Riverbed SteelApp Traffic Manager>=11.2.1<=11.6.3
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.3
Riverbed SteelApp Traffic Manager>=13.0.0<=13.0.1
F5 BIG-IP Link Controller>=11.2.1<=11.6.3
F5 BIG-IP Link Controller>=12.1.0<=12.1.3
F5 BIG-IP Link Controller>=13.0.0<=13.0.1
F5 BIG-IP Policy Enforcement Manager>=11.2.1<=11.6.3
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.3
F5 BIG-IP Policy Enforcement Manager>=13.0.0<=13.0.1
F5 BIG-IP WebAccelerator>=11.2.1<=11.6.3
F5 BIG-IP WebAccelerator>=12.1.0<=12.1.3
F5 BIG-IP WebAccelerator>=13.0.0<=13.0.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2018-5542?

    CVE-2018-5542 is rated as high severity due to its potential impact on the security of monitored servers.

  • How do I fix CVE-2018-5542?

    To remediate CVE-2018-5542, upgrade the affected F5 BIG-IP software to a version that is not vulnerable.

  • What products are affected by CVE-2018-5542?

    CVE-2018-5542 impacts multiple versions of F5 BIG-IP products including Local Traffic Manager, Application Security Manager, and Advanced Firewall Manager.

  • What are the potential risks of exploiting CVE-2018-5542?

    Exploiting CVE-2018-5542 could allow unauthorized access to sensitive data and services by bypassing server identity verification.

  • Are there any workarounds for CVE-2018-5542?

    Currently, there are no effective workarounds for CVE-2018-5542 other than upgrading the affected systems.

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